Impact of multi sensory stimulation intervention on the psychological state, neurobiology, and neuroelectrophysiological indicators of college students with Internet addiction / 中国学校卫生

Objective@#To observe the effects of multi sensory stimulation (MSS) intervention on the psychological state, neurobiology, and neuroelectrophysiological indicators of college students with Internet addiction disorder (IAD), so as to provide high quality evidence for the optimization of IAD intervention plans.@*Methods@#At the beginning of the spring semester of 2022-2023 academic year, 114 first year and sophomore IAD college students from Chongqing Second Normal University were selected by group random sampling method, and were randomly assigned into control group, physical exercise group, and observation group (28 in each group). The control group received routine psychological intervention, while the physical exercise group received routine physical exercise on the basis of the control group. The observation group received a MSS intervention on the basis of the control group. The MSS intervention included 8 means of color, incense, music, lozenges, press needle, massage, Tai Chi and static work. The intervention periocl was from April 1 to June 30, 2023, and all three groups were intervened for 12 weeks. The revised Chinese Internet Addiction Scale (CIAS-R), Self Control Scale (SCS), Symptom Checklist-90 (SCL-90) were observed before and after intervention, dopamine (DA) and β Endorphin (β EP) concentration were collected, and the amplitude and latency levels of N200 were analyzed by Event Related Potential (ERP).@*Results@#The CIAS-R score of the observation group (36.08±4.98) was lower than physical exercise group (49.55±5.19) and control group (54.82±4.10), and the SCS score of the observation group (76.08± 1.98 ) was higher than physical exercise group (66.16±1.92) and control group (52.59±1.53) ( F=12.08, 13.18, P <0.05). In comparison of various dimensions of SCL-90, the observation group showed lower scores in the four dimensions of somatization, depression, anxiety, and psychoticism compared to the other two groups ( F=9.11, 8.92, 8.17, 8.48, P <0.05). In the dimensions of obsessive-compulsive symptoms, interpersonal sensitivity, and others in observation group were lower than the control group ( F= 4.20 , 5.16, 5.60, P <0.05). However, there was no difference in the two dimensions of terror and paranoia among the three groups ( F=0.24, 0.19, P > 0.05). The levels in plasma DA, βEP and the amplitude and latency of N200 among observation group were better than other two groups, and the differences were statistically significant ( F=9.92, 8.93, 6.24, 8.05, P <0.05).@*Conclusion@#MSS intervention can alleviate the related symptoms of IAD college students, improve neurobiological and neurophysiological indicators.

Longitudinal association between mobile phone dependence and depressive symptoms in Yunnan college students / 中国学校卫生

Objective@#To analyze the longitudinal association between mobile phone dependence and depressive symptoms in college students, so as to provide a theoretical basis for psychological health education among college students.@*Methods@#From November 2021 to June 2023, 2 515 first year students from 2 universities in Yunnan Province were surveyed with a questionnaire by a cluster random sampling method, including baseline survey (November 2021, T1) and three follow up visits (June 2022, T2; November 2022, T3; June 2023, T4). The Self rating Questionnaire for Adolescent Problematic Mobile Phone Use and the Depression Anxiety Stress Scales-21 (DASS-21) were used to evaluate mobile phone dependence and depressive symptoms of college students. The χ 2 test was used to analyze the difference in depressive symptoms among different demographic groups, and a generalized estimation equation model was established to analyze the association between mobile phone dependence symptoms and depressive symptoms.@*Results@#The detection rates of depressive symptoms among university students in Yunnan Province at time points T1, T2, T3, and T4 were 23.02%, 33.36%, 34.79% and 35.51%, respectively. There were statistically significant differences in the detection rates of depressive symptoms among college students with different sacademic burden (T1, T2, T3, T4), different number of close friends (T1, T2, T3), as well as their father s educational level (T1), mothers educational level (T2, T4), gender (T4), major (T3, T4), education (T2, T3, T4), family residency (T1, T2), and family economic conditions (T1, T2, T4) ( χ 2= 59.68 , 49.38, 16.70, 39.31; 55.35, 26.01, 16.69; 10.22; 14.87, 11.51; 14.90; 27.81, 50.28; 9.75, 7.42, 24.76; 6.06, 4.47 ; 15.88, 14.58, 15.85, P < 0.05 ). After controlling for demographic variables and confounding factors in the generalized estimation equation model, mobile phone dependence ( β =0.11), withdrawal symptoms of mobile phone dependence ( β =0.14), and the physical and mental effects of mobile phone dependence ( β =0.14) were all positively correlated with depressive symptoms ( P <0.01). Further gender analysis showed that depressive symptoms in both boys ( β =0.13, 0.13, 0.18) and girls ( β =0.10, 0.13, 0.13 ) were associated with mobile phone dependence, withdrawal symptoms of mobile phone dependence and the physical and mental effects of mobile phone dependence ( P <0.01).@*Conclusions@#Depressive symptoms of college students are positively correlated with mobile phone dependence, and family economic conditions, academic burden and number of close friends are factors that continued to affect depressive symptoms. College students should be guided to pay attention to the impact of excessive use of mobile phones on their physical and mental health, use mobile phones reasonably to reduce the incidence of depressive symptoms among college students.

Co occurrence of campus bullying and suicidal tendency and its correlation with addictive behavior among middle and high school students in Hainan Province / 中国学校卫生

Objective@#To investigate the correlation between campus bullying and suicidal tendency symptoms comorbidity with addictive behavior among middle and high school students in Hainan Province, so as to provide a theoretical basis for health education and behavioral intervention in schools.@*Methods@#In July 2023, an anonymous questionnaire survey was conducted among 6 654 middle and high school students in Hainan Province, selected by probability proportional sampling and stratified cluster random sampling method. Campus bullying, suicidal tendency and addictive behavior were determined according to the relevant items in the questionnaire on health related behaviors of Chinese students health status and influencing factors questionnaire, and self designed questionnaire. The co occurrence of campus bullying and suicidal tendency among students was analyzed. The binary Logistic regression method was used to analyze the correlation between the co occurrence of campus bullying and suicidal tendency and the addictive behavior of middle school students.@*Results@#The report rate of campus bullying among middle and high school students in Hainan Province was 28.48%, the suicidal tendency was 15.25%, and the co occurrence of campus bullying and suicidal tendency was 8.00%. The results of Logistic regression analysis showed that middle school students and left behind students were prone to campus bullying and suicide tendency ( OR =1.55, 1.52, P <0.05), while Internet addiction, gambling and current smoking showed significant positive correlation with comorbidity of campus bullying and suicide tendency ( OR =3.14, 2.18, 2.07, P < 0.05 ).@*Conclusions@#Middle and high school students with addictive behavior have a higher possibility of comorbidity of campus bullying and suicidal tendency. The comprehensive intervention of addictive behavior can reduce the incidence of co occurrence of campus bullying and suicidal tendency, so as to improve health and wellbeing of middle school students.

Latent profile analysis of college students short form video addiction / 中国学校卫生

Objective@#To explore the latent categories and general demographic characteristics of short form video addiction among college students, so as to provide empirical reference for prevention and intervention of short form video addiction among college students.@*Methods@#Convenience sampling method was used to select 1 386 college students from a certain university in Anhui Province in June 2023. A questionnaire survey was conducted among college students by using the Short Video Addiction Scale. The latent profile analysis method of "individual center" was used to explore the categories of college students short form video addiction, and multiple Logistic regression was used to explore the influence of demographic variables on the latent classification of short form video addiction.@*Results@#College students with short form video addiction were divided into three latent categories:non addiction group (22.15%, n =307), low addiction group (63.28%, n =877) and high addiction group (14.57%, n =202). The results of multiple Logistic regression analysis showed that gender, major type and family location were related with short form video addiction among college students:male students (low addiction group: OR =0.47; high addiction group: OR =0.41), cultural and historical majors (low addiction group: OR =0.66), and students from cities (high addiction group: OR =0.51) were less likely to be involved in short form video addiction ( P <0.05).@*Conclusions@#There is significant group heterogeneity in short form video addiction among college students. Families, schools and society should attach importance and pay attention to the phenomenon of short form video addiction among college students, actively take targeted intervention measures to prevent and reduce the occurrence of short form video addiction symptoms among college students.

Relationship between depression, anxiety, stress and smartphone addiction in COVID-19 nursing students / Relación entre depresión, ansiedad, estrés y dependencia del smartphone en estudiantes de enfermería durante la COVID-19 / Relação entre depressão, ansiedade, estresse e dependência de smartphone em estudantes de enfermagem na COVID-19

Objective: to verify the relationship between symptoms of depression, anxiety, stress and smartphone addiction in COVID-19 nursing students. Method: this was a descriptive-analytical study of 206 nursing students. A sociodemographic characterization and smartphone use instrument adapted from the literature and the following scales Depression, Anxiety and Stress Scale and Smartphone Addiction Inventory were used for data collection. Sociodemographic data and smartphone use were analyzed using descriptive statistics and the relationship between symptoms of depression, anxiety, stress and smartphone addiction was analyzed using multiple logistic regression. Results: the prevalence of smartphone addiction among nursing students was 129 (62.6%) and there was a relationship between symptoms of moderate depression (p=0.049), severe/very severe depression (p=0.005) and mild anxiety (p=0.028) and severe/very severe anxiety (p=0.019) and smartphone addiction. Conclusion: the data show that the construction and implementation of smartphone use policies in the academic and hospital context to prevent smartphone addiction and control associated risk factors is necessary.

Objetivo: verificar la relación entre síntomas de depresión, ansiedad, estrés y dependencia del smartphone en estudiantes de enfermería durante la COVID-19. Método: estudio descriptivo-analítico realizado con 206 estudiantes de enfermería. Para la recogida de datos se utilizaron un instrumento de caracterización sociodemográfica y uso del smartphone adaptado de la literatura y las siguientes escalas: Depression, Anxiety and Stress Scale y Smartphone Addiction Inventory. Los datos sociodemográficos y el uso del smartphone se analizaron mediante estadísticas descriptivas y la relación entre síntomas de depresión, ansiedad, estrés y dependencia del smartphone se analizó mediante la regresión logística múltiple. Resultados: la prevalencia de dependencia del smartphone en estudiantes de enfermería fue de 129 (62,6%) y hubo relación entre síntomas de depresión moderada (p=0,049), grave/muy grave (p=0,005) y ansiedad leve (p=0,028) y grave/muy grave (p=0,019) y dependencia del smartphone. Conclusión: los datos revelan que la construcción e implementación de políticas de uso del smartphone en el contexto académico y hospitalario para la prevención de la dependencia del smartphone y el control de los factores de riesgo asociados son necesarias.

Objetivo: verificar a relação entre sintomas de depressão, ansiedade, estresse e dependência de smartphone em estudantes de enfermagem na COVID-19. Método: estudo descritivo-analítico realizado com 206 estudantes de enfermagem. Para coleta de dados foram utilizados um instrumento de caracterização sociodemográfica e uso do smartphone adaptado da literatura e as seguintes escalas: Depression, Anxiety and Stress Scale e Smartphone Addiction Inventory. Os dados sociodemográficos e o uso do smartphone foram analisados por meio de estatísticas descritivas e a relação entre sintomas de depressão, ansiedade, estresse e dependência de smartphone foi analisada a partir de regressão logística múltipla. Resultados: a prevalência de dependência de smartphone em estudantes de enfermagem foi de 129 (62,6%) e houve relação entre sintomas de depressão moderada (p=0,049), grave/muito grave (p=0,005) e ansiedade leve (p=0,028) e grave/muito grave (p=0,019) e dependência de smartphone. Conclusão: os dados revelam que a construção e a implementação de políticas de uso do smartphone no contexto acadêmico e hospitalar para prevenção da dependência de smartphone e controle dos fatores de risco associados são necessárias.

The relationship between emotional eating disorders and problematic internet use in university students: the mediating role of mukbang behavior

SUMMARY OBJECTIVE: The aim of this study was to investigate the effect of watching mukbang on eating behavior and to emphasize its importance. METHODS: Students from various faculties at universities constitute the sample for this study. A total of 483 individuals participated in the study: 358 (74.1%) women and 125 (25.9%) men. The age range of the sample group varies between 18 and 50 years (Mage=21.62; SD=3.85). In our study, the Emotional Eating Disorder Scale, the Mukbang Addiction Scale, and the Problematic Internet Use Scale were used. Reliability analysis, descriptive statistics, and correlational analysis of the data were carried out using IBM SPSS Statistics 24. RESULTS: There appears to be a positive relationship between emotional eating, mukbang addiction, and problematic internet use. A positive relationship was also found between emotional eating and mukbang addiction. It was found that mukbang addiction had a partial mediator role in the effect of problematic internet use on emotional eating. CONCLUSION: In the relationship between problematic internet use and emotional eating, mukbang addiction has played a mediating role. Therefore, when conducting a study between emotional eating and problematic internet use, it may be useful to examine the frequency of mukbang watching behavior in individuals. It can be crucial to include these people in educational programs to control problematic internet use or the habit of watching mukbang.

Factors associated with workaholism in nurses' mental health: integrative review / Factores asociados al workaholism en la salud mental de enfermeros: revisión integrativa / Fatores associados ao workaholism na saúde mental de enfermeiros: revisão integrativa

Objective: to synthesize the main scientific evidence available on the factors associated with workaholism in nurses' mental health. Method: this is an integrative review carried out in seven databases. The sample consisted of 11 studies. The Level of Evidence classification followed the model described by Melnyk and Fineout-Overholt. Methodological quality was assessed using the Checklist for Analytical Cross-Sectional Studies. Data analysis and synthesis were carried out in a qualitative and descriptive manner, respectively. Results: the factors associated with workaholism were burnout, stress, anxiety, depression, sleep-related problems, low ability to concentrate and negative incidents at work, which affected the mental health of nurses. Conclusion: the synthesis revealed that workaholism was related to perceived stress at work, emotional exhaustion, depersonalization and anxious and depressive symptoms, which resulted in low professional effectiveness and poor sleep quality among workaholic professionals.

Objetivo: sintetizar las principales evidencias científicas disponibles sobre los factores asociados al workaholism en la salud mental de enfermeros. Método: revisión integrativa realizada en siete bases de datos. La muestra estuvo compuesta por 11 estudios. La clasificación del Nivel de Evidencia siguió el modelo descrito por Melnyk y Fineout-Overholt. La calidad metodológica fue evaluada por medio del Checklist for Analytical Cross-Sectional Studies . El análisis y síntesis de los datos se realizaron de manera cualitativa y descriptiva, respectivamente. Resultados: los factores asociados al workaholism fueron burnout , estrés, ansiedad, depresión, problemas relacionados con el sueño, baja capacidad de concentración e incidentes negativos en el trabajo, los cuales afectaron la salud mental de los enfermeros. Conclusión: la síntesis reveló que el workaholism presentó relación con el estrés percibido en el trabajo, la exhaución emocional, la despersonalización y los síntomas ansiosos y depresivos, lo que resultó en baja eficacia profesional y mala calidad del sueño entre los profesionales adictos al trabajo.

Objetivo: sintetizar as principais evidências científicas disponíveis sobre os fatores associados ao workaholism na saúde mental de enfermeiros. Método: revisão integrativa realizada em sete bases de dados. A amostra foi composta por 11 estudos. A classificação do Nível de Evidência seguiu o modelo descrito por Melnyk e Fineout-Overholt. A qualidade metodológica foi avaliada por meio do Checklist for Analytical Cross-Sectional Studies . A análise e síntese dos dados foram realizadas de maneira qualitativa e descritiva, respectivamente. Resultados: os fatores associados ao workaholism foram burnout , estresse, ansiedade, depressão, problemas relacionados ao sono, baixa capacidade de concentração e incidentes negativos no trabalho, os quais afetaram a saúde mental dos enfermeiros. Conclusão: a síntese revelou que o workaholism apresentou relação com o estresse percebido no trabalho, exaustão emocional, despersonalização e sintomas ansiosos e depressivos, o que resultou em baixa eficácia profissional e má qualidade no sono entre os profissionais viciados no trabalho.

Impacto de la adicción a redes sociales en la salud mental de los estudiantes de medicina humana, en tiempos de Covid-19 / mpact of addiction to social networks on the mental health of human medicine students, in times of Covid-19

RESUMEN Objetivo: Determinar la asociación de la adicción a redes sociales y las consecuencias en salud mental en estudiantes de medicina humana de la Universidad Ricardo Palma, año 2021. Materiales y métodos: Estudio observacional transversal, participaron 454 estudiantes de medicina humana de primero a quinto año, elegidos por muestreo aleatorio estratificado proporcional al tamaño. El instrumento fue validado, obteniendo un Alpha de Cronbach (α=0,90), los cuestionarios empleados fueron: Adicción a redes sociales (ARS), escala de depresión, ansiedad, estrés (DASS-21) y índice de la calidad del sueño de Pittsburgh (PSQI). A fin de evaluar la asociación entre variables, utilizamos razón de prevalencia (RP) crudo y ajustado, mediante el modelo de regresiones de Poisson con el enlace logarítmico y con intervalo de confianza del 95%. Resultados: El 65,4% eran mujeres, con edad promedio 21,2 años. Se evidenció asociación significativa entre adicción a redes sociales alto y salud mental (RPc: 2,59; IC95%: 1,92-3,50; p: 0,000), así mismo, los niveles alto y medio de adicción a redes sociales con síntomas depresivos, ansiedad, estrés (p: 0,000) y calidad de sueño (p<0,010), respectivamente. El 41%, 49,1% y 9,9% de los estudiantes presentaron adicción a redes sociales bajo, medio y alto respectivamente. Un 57,5% presentaron síntomas depresivos, 56,4% ansiedad, 70,5% estrés y 77,3% mala calidad de sueño. Conclusiones: Encontramos una fuerte asociación entre ARS y salud mental. Por lo cual se recomienda a los universitarios que sean evaluados por especialistas de salud mental para una correcta identificación, evaluación y manejo de los problemas de la ARS.

ABSTRACT Objective: To determine the association of addiction to social networks and the consequences in mental health in human medicine students of the Ricardo Palma University, year 2021. Materials and methods: Cross-sectional observational study, with the participation of 454 human medicine students from first to fifth year, chosen by stratified random sampling proportional to size. The instrument was validated, obtaining a Cronbach's Alpha (α=0.90), the questionnaires used were: Addiction to Social Networks (ARS), Depression, Anxiety, Stress Scale (DASS-21) and Pittsburgh Sleep Quality Index (PSQI). In order to evaluate the association between variables, we used crude and adjusted prevalence ratio (PR), using the Poisson regression model with the logarithmic link and with the 95% confidence interval. Results: 65.4% were women, with an average age of 21.2 years. A significant association was found between high social network addiction and mental health (PRc: 2.59; 95% CI: 1.92-3.50; p: 0.000) and, likewise, between high and medium levels of social network addiction. social and with depression, anxiety, stress (p: 0.000) and sleep quality (p<0.010), respectively. 41%, 49.1% and 9.9% of the students presented low, medium and high addiction to social networks, respectively. 57.5% had depression, 56.4% anxiety, 70.5% stress and 77.3% poor sleep quality. Conclusions: There was a strong association between ARS and mental health. Therefore, it is recommended that university students visit mental health specialists quarterly for proper identification, evaluation, and management of the problems generated by ARS.

Hiperconectados: las niñas, los niños y los adolescentes en las redes sociales. El fenómeno de TikTok / Hyperconnected: children and adolescents on social media. The TikTok phenomenon

Las plataformas digitales de comunicación en red revolucionaron el modo de comunicarnos, informarnos y entretenernos; impactaron principalmente en las nuevas generaciones. La pandemia incrementó los patrones de consumo en todas las edades y sus consecuencias: sedentarismo; obesidad; alteraciones del sueño, psicológicas, cognitivas, de la memoria/atención, del rendimiento académico; comportamientos problemáticos y riesgos de ciberacoso. La actividad de las nuevas generaciones en TikTok ­una plataforma donde pueden crear, visualizar, compartir videos y retos virales­ tiene impacto en su comportamiento. Sus publicaciones generan aprobaciones, comentarios y seguidores; esto estimula el circuito dopaminérgico de recompensa, que es la base de los comportamientos adictivos. El pediatra debe conocer estas conductas para recomendar buenas prácticas de uso. Esta revisión narrativa, basada en bibliografía de PubMed Central, SciELO, recomendaciones nacionales e internacionales, tiene como objetivo informar y actualizar a los profesionales sobre la plataforma, sus características y sus recomendaciones de uso seguro.

Network communication digital platforms have revolutionized the way we communicate, get information, and entertain ourselves; they have had a major impact on the new generations. The pandemic has increased consumption patterns at all ages and its consequences: a sedentary lifestyle, obesity, sleep, psychological, cognitive, memory/attention, and academic performance disorders, problematic behaviors, and risks of cyberbullying. The activity of the new generations on TikTok ­a platform that allows them to create, view, share videos and viral challenges­ has affected their behavior. Their posts lead to likes, comments, and followers; this stimulates the dopaminergic reward system, which is the basis of addictive behaviors. Pediatricians should be aware of these behaviors in order to recommend good practices. The objective of this narrative review, based on the bibliography from PubMed Central, SciELO, national and international recommendations, is to provide information and an update to health care providers on TikTok, its characteristics, and the recommendations for safe use.

A Study on Internet and Gaming Addiction, Hikikomori Trait and Insomnia Status among Medical Undergraduates at one of Cities of Western India

Background: College students appear more vulnerable in developing a dependence on the internet. Individuals with hikikomori are frequently reported to have social contact predominantly via the internet. Objectives: To find the prevalence of Internet addiction, gaming Addiction, Hikikomori Trait and Insomnia amongst medical undergraduates and to study their association with various determinants. Methodology: The present Cross-Sectional study was conducted among first to final-year medical students studying at various medical colleges in Indian City from February to May 2021. Data collection was done after obtaining the ethical permission of the Institute. A total of 400 students who gave consent were sent an electronic questionnaire. Results: The mean age of study participants was 20 ± 1.58 years. Internet addiction was present in 189(47.2%) participants, gaming addiction in 128 (32%) students and Hikikomori Trait was found in 98(24.5%) students. There was a statistically significant association between different grades of insomnia and internet, gaming addiction, and hikikomori trait (<?0.0001) in the present study. Conclusion: Internet addiction was present in almost half of the medical students while gaming addiction was seen in nearly one third of the students. Male gender and hostel stay had a statistically significant association with internet addiction, gaming addiction, insomnia and hikikomori trait.

Conducta infiel y adicción a redes sociales en adultos de la selva peruana / Unfaithful behavior and addiction to social networks in adults from the Peruvian jungle

La adicción a las redes sociales potencia las probabilidades de infidelidad de pareja. Esta investi-gación tuvo el objetivo de determinar la relación entre conducta infiel y adicción a redes sociales en adultos de las áreas comerciales de Tarapoto, Lamas, San José de Sisa, Moyobamba y Naran-jos, región de la Amazonía Peruana, durante el primer cuatrimestre de 2021. Así, se desarrolló un estudio con diseño no experimental y tipo de investigación correlacional, en una muestra de 318 individuos con edades entre 20 y 40 años, a los que se aplicó el Inventario Multidimensional de Infidelidad y el Cuestionario de Adicción a Redes Sociales. El 62,3% de los participantes perteneció al sexo masculino, el 57,5% tenía edades entre 30 y 59 años, el 66,7% convivía con sus parejas sin estar casados y el 51,6% se encontraban en la segunda etapa de la relación de pareja. Existieron diferencias significativas entre hombres y mujeres en cuanto a la conducta infiel (U=6387,500; p<0,000). En este contexto, se observó un predominio del nivel medio de la adición a las redes sociales en los participantes y del bajo en las dimensiones de la conducta de infidelidad, estableciéndose correlación estadísticamente significativa entre ambas variables.

Addiction to social networks increases the chances of partner infidelity. This research aimed to determine the relationship between unfaithful behavior and addiction to social networks in adults from the commercial areas of Tarapoto, Lamas, San José de Sisa, Moyobamba, and Naranjos, in the Peruvian Amazon region, during the first four-month period of 2021. Thus, a study with a non-experimental design and correlational research type was developed in a sample of 318 individuals between 20 and 40 years old. The Multidimensional Infidelity Inventory and the Social Networks Addiction Questionnaire were applied. 62.3% of the participants were male, 57.5% were between 30 and 59 years old, 66.7% lived with their partners without marria-ge, and 51.6% were in the second stage of the couple relationship. There were significant diffe-rences between men and women regarding unfaithful behavior (U=6387,500; p<0.000). In this context, a predominance of the medium level of addiction to social networks in the participants and the low level in the dimensions of infidelity behavior were observed, establishing a statisti-cally significant correlation between both variables.

The relationship between mobile phone dependence and academic burden among junior middle school students in Guizhou Province / 中国学校卫生

Objective@#To explore the relationship between mobile phone dependence (MPD) and academic burden among junior middle school students in Guizhou Province, under the "double reduction" policy by using a multi level model, so as to provide a basis for preventing the occurrence of MPD.@*Methods@#From December 2021 to January 2022, 7 868 students from grade 1 to grade 3 in 3 cities (prefecture) of Guizhou Province were selected by multi stage stratification random sampling method, and on site investigation was conducted by self compiled questionnaire and Self rating Questionnaire for Adolescent Problematic Mobile Phone Use(SQAPMPU). Using MLwiN 2.30 to fit a multi level model of the relationship between MPD and academic burden among junior middle school students.@*Results@#The MPD detection rate of junior middle school students in Guizhou Province was 20.9%. The multi level model revealed that MPD of junior middle school students was clustered at the level of school and class ( χ 2= 1 565.32 , P <0.01), and high perceived academic pressure had a positive predictive effect on MPD among junior middle school students ( β =1.96). Homework duration ≥90 min/d at weekends had a negative predictive effect on MPD ( β =-0.55), while participation in off campus training on learning days had a positive predictive effect ( β =1.66)( P <0.05).@*Conclusion@#The MPD occurrence level is higher among junior middle school students in Guizhou Province. Perceived academic pressure, time spent on homework during weekends, off campus training and other academic burdens have an impact on MPD among junior middle school students, which should be a cause of concern for schools, families and social departments.

Network modeling analysis of depression, Internet addiction and campus bullying in adolescents / 中国学校卫生

Objective@#To explore network relationships among depression, Internet addiction and campus bullying among adolescents, so as to provide a theoretical basis for the comprehensive prevention and control of adolescents psychological status and risky behaviors.@*Methods@#In September 2020, a stratified random cluster sampling method was adopted to select 5 000 middle school students for investigation. A structural equation model was used to analyze depression, Internet addiction and bullying and their related influencing factors in order to clarify the pathway and magnitude of effects.@*Results@#Depression had a positive effect on Internet addiction with adolescents( β=0.35, P <0.01), school bullying had a positive effect on depression and Internet addiction with adolescents( β=0.23, 0.05, P <0.01). Adolescent depression was found to play a partial mediating role with respect to the influence of sleep duration on Internet addiction, and the indirect effect was -0.01, accounting for 63.6% of the total effect. Depression played a partial mediating role regarding the influence of the frequency of moderate and high intensity exercise on Internet addiction in adolescents; the indirect effect was -0.01, accounting for 21.8% of the total effect.@*Conclusion@#Considering the interaction among adolescent depression, Internet addiction, and school bullying, it s important to include associated factors when developing effective prevention and intervention strategies, which can thus promote the physical and mental health of students, and provide scientific and effective protection.

Association of anxiety, insomnia, and family cohesion with Internet addiction and non suicidal self injury behavior in junior and senior school students / 中国学校卫生

Objective@#To explore the mediating effect of anxiety, insomnia, and family cohesion between Internet addiction and non suicidal self injury (NSSI) behavior among junior and senior school students, so as to develop interventions to promote adolescent mental health.@*Methods@#A total of 3 026 junior and senior school students from Yixing, Jiangsu Province, China, were selected by stratified cluster sampling from December 2022 to February 2023, and were administered the Ottawa Self injury Inventory (OSI), Depression, Anxiety and Stress Scale-21 (DASS-21), Family Environment Scale-Chinese Version (FES-CV), Insomnia Severity Index (ISI), and Chinese Internet Addiction Scale Revised (CIAS-R). A mediating effect model was constructed to analyze the mediating effect of anxiety, insomnia, and family cohesion on Internet addiction and NSSI.@*Results@#Internet addiction ( r = 0.24), insomnia ( r =0.28), and anxiety ( r =0.27) were positively correlated with NSSI, while the latter was negatively correlated with family cohesion ( r =-0.23) ( P <0.01). The mediating effect model was well fitted ( CFI=0.999, TLI=0.978, RMSEA = 0.030 ). Anxiety (mediation effect value:0.12, 95% CI =0.08-0.18) and family cohesion (mediation effect value:0.08, 95% CI = 0.03 -0.13) had a separate mediating effect. A chain meditating effect was found in the case of anxiety and insomnia (mediation effect value:0.14, 95% CI =0.10-0.20), family cohesion and anxiety (mediation effect value:0.05, 95% CI =0.03-0.07), family cohesion and insomnia (mediation effect value:0.05, 95% CI =0.03-0.07), and family cohesion, anxiety, and insomnia (mediation effect value:0.06, 95% CI =0.04-0.08). The mediating effect accounted for 14.9%, 10.1%, 17.5%, 6.0%, 5.6%, and 7.1%, respectively.@*Conclusions@#Anxiety, insomnia, and family cohesion partially mediate Internet addiction and NSSI. Schools and families should pay attention to Internet addiction among junior and senior school students and develop appropriate interventions to promote adolescent mental health, so as to reduce the prevalence of NSSI.

Relationship between depression, anxiety, stress and food addiction in primary and secondary school students / 中国学校卫生

Objective@#To explore the relationship between depression, anxiety, stress and food addiction among primary and secondary school students in Yixing City, so as to provide reference and suggestions for maintaining healthy eating behavior and psychological health intervention and promotion among primary and secondary school students in Yixing City.@*Methods@#From December 2022 to February 2023, a stratified cluster random sampling method was used to select 4 180 primary and secondary school students from four primary and secondary schools in Yixing City, Jiangsu Province. A questionnaire survey was conducted using the Depression Anxiety Stress Scale-21 (DASS-21) and related behavior questionnaires. The data was analyzed using χ 2 test, Wilcoxon, Kruskal Wallis H rank sum test, and binary Logistic regression.@*Results@#The prevalence of food addiction among primary and secondary school students in Yixing City was 0.98% (41 students), and there was no statistically significant difference in the comparison of food addiction, depression, anxiety, and stress scores among students of different genders and age groups ( Z/H = -1.34- 5.74, P >0.05). There was a positive correlation between food addiction and binge eating behavior, depression, anxiety, and stress symptoms ( r=0.14-0.23, P <0.01). The results of binary Logistic regression showed that anxiety ( OR=5.68, 95%CI =1.74- 18.55 ) and stress ( OR=5.41, 95%CI =2.20-13.32) were positively correlated with the occurrence of food addiction in primary and secondary school students ( P <0.01).@*Conclusions@#The risk of food addiction among primary and secondary school students with anxiety and stress symptoms is higher than that of the general population. Guidance and intervention on student mental health should cover the entire compulsory education and high school period, in order to improve the mental health level of students and reduce the occurrence of food addiction behavior.

Association between negative emotion, family intimacy and Internet addiction among junior and senior school students / 中国学校卫生

Objective@#To explore the association between negative emotion (depression, anxiety and stress), family intimacy and Internet addiction, so as to provide a basis for the intervention of Internet addiction among junior and senior high school students.@*Methods@#Students were selected by stratified random cluster sampling method from junior high schools and senior high schools from December 2022 to February 2023 in Yixing City, Jiangsu Provicne. A total of 3 026 students completed the questionnaire survey, including the demographic characteristics, Depression, Anxiety and Stress Scale-21 (DASS-21), Family Environment Scale-Chinese Version (FES-CV), and Chinese Internet Addiction Scale Revised (CIAS-R). Bivariate correlation was used to analyzed the association of family intimacy, depression, anxiety, stress, and Internet addiction. Mediating effect model was used to analyzed the mediating effect of negative emotion between family intimacy and Internet addiction.@*Results@#The average score of Internet addiction among junior and senior high school students was (46.26±15.58), and there were statistical differences in the average scores of Internet addiction across different grades ( F=87.15, P <0.01). Depression ( r =0.57), anxiety ( r =0.56), stress ( r = 0.57) were positively correlated with Internet addiction, and family intimacy ( r =-0.34) was negatively correlated with Internet diction ( P <0.01). In the mediating effect model, family intimacy negatively predicted negative emotion ( β =-0.48) and Internet addiction ( β =-0.10), and negative emotion positively predicted Internet addiction ( β =0.45) ( P <0.01). Negative emotion played a partial mediating role between family intimacy and Internet addiction (the mediation value:-1.71, 95% CI =-1.96--1.49, mediation ratio:67.9%, P <0.05).@*Conclusions@#There are associations between negative emotion, family intimacy and Internet addiction among junior and senior school students. Family intimacy indirectly affects Internet addiction mainly through negative emotion. It suggests that family education is in need of attention to reduce the prevalence rate of Internet addiction among junior and senior high school students, especially family intimacy.

Association of depressive symptoms, Internet addiction and insomnia among medical students in Anhui Province / 中国学校卫生

Objective@#To investigate the status of insomnia, Internet addiction, and depressive symptoms among medical students and to analyze the effect of Internet addiction on insomnia and the mediating role of depressive symptoms, in order to provide a basis for the development of targeted interventions and measurements for medical students.@*Methods@#A stratified whole group sampling method was used to select full-time college students from three medical universities in Anhui Province. The Chinese version of Insomnia Severity Index (ISI), Internet Addiction Test (IAT) scale and 9-item Patient Health Questionnaire (PHQ-9) were used to evaluate the symptoms of insomnia, Internet addiction and depressive in students. A multivariate Logistic regression analysis was used to explore the factors influencing insomnia among medical students and to analyze the relationship between insomnia with Internet addiction and depressive symptoms, respectively.@*Results@#The overall rate of Internet addiction was 49.5%, depressive symptoms was 39.5%, insomnia was 18.6%. High academic stress, and the presence of surrounding people diagnosed with COVID-19 were associated with a higher risk of insomnia ( P <0.05). The higher the level of Internet addiction (mild, OR =2.60; moderate/severe, OR =4.21) and depression. (mild, OR =6.35; moderate/severe, OR =19.32), the higher the risk of insomnia. Mediated effect analysis showed that Internet addiction had a direct predictive effect ( β =0.02, P <0.05) on insomnia and also indirectly affected insomnia through depression (indirect effect=0.07，95% CI =0.06-0.08).@*Conclusion@#The detected rates of insomnia, Internet addiction and depressive symptoms are high among medical students in Anhui Province, and Internet addiction and depressive symptoms are risk factors for insomnia, which should be given more attention and appropriate interventions when necessary to improve their physical and mental health.

Differences in dynamic functional connectivity density in individuals with light and heavy smoking addiction: a study based on functional MR / 中华放射学杂志

Objective:To investigate the changes in dynamic functional connectivity density (dFCD) and its relationship with Fagerstr?m test for nicotine dependence (FTND) scores in individuals with smoking addiction based on functional MR.Methods:The clinical and imaging data of 176 volunteers recruited through wechat and other online platforms from September 2019 to December 2020 in the First Affiliated Hospital of Zhengzhou University were retrospectively analyzed. The 176 volunteers were male, aged 20 to 55 years old, and were divided into light smoking addiction group (59 cases), heavy smoking addiction group (61 cases) and control group (56 cases). All subjects underwent resting state functional MR scanning and dFCD was calculated. The dFCD values of three groups were analyzed by ANOVA analysis (GRF corrected, voxel level P<0.005, cluster level P<0.01). Bonferroni correction was used for pairwise comparison. Pearson partial correlation analysis was used to analyze the correlation between dFCD values of brain regions with statistically significant differences and FTND scores. Results:Differences in dFCD among light smoking addiction group, heavy smoking addiction group and control group were mainly distributed in the right orbitofrontal cortex, left caudate nucleus, right putamen, bilateral calcarine sulcus cortex, right cuneus, left parahippocampal gyrus, left precuneus, left middle temporal gyrus and bilateral thalamus (GRF corrected, voxel level P<0.005, cluster level P<0.01). Compared with the control group, both the light and heavy smoking addiction groups showed decreased dFCD in the bilateral calcarine sulcus cortex, right cuneus and left precuneus, as well as increased dFCD in the right orbitofrontal cortex, right putamen, left caudate nucleus and left thalamus (Bonferroni corrected, P<0.05). Compared with the control group, the heavy smoking addiction group showed increased dFCD in the right thalamus, and the light smoking addiction group showed decreased dFCD in the left middle temporal gyrus (Bonferroni corrected, P<0.001). Compared with the light smoking addiction group, the heavy smoking addiction group showed increased dFCD in the left middle temporal gyrus and right thalamus, and decreased dFCD in the left parahippocampal gyrus (Bonferroni corrected, P<0.05). The mean value of dFCD in the right thalamus was positively correlated with FTND scores in smoking addiction patients ( r=0.227, P=0.014), and the mean value of dFCD in the right thalamus of the heavy smoking addiction subgroup was positively correlated with FTND scores ( r=0.323, P=0.013). There was no correlation between FTND scores and dFCD in the right thalamus of the light smoking addiction group ( P>0.05). Conclusion:There are changes of neural activity in brain regions related to smoking behaviors among people with different severity of smoking addiction, and smoking behaviors of people with heavy smoking addiction tend to be habitual compared with those with light smoking addiction.

Research progress on the addictive characteristics of non-suicidal self-injury in adolescents / 中国神经精神疾病杂志

Non-suicidal self-injury(NSSI)is a behavior that occurs most often in adolescents.Previous studies showed that this behavior has the addictive related characteristics.Interestingly,the addictive nature of NSSI behavior can be assessed using Ottawa selfinjury inventory(OSI),the higher addiction score indicates the more serious NSSI behavior.From the psychological mechanism,different models show that the addictive feature of NSSI behavior may be related to the behavioral reinforcement mechanism and the interaction mechanism of emotion,cognition,and behavior of susceptible individuals.From the neurobiological mechanisms,opioid and dopamine may mediate the addiction characteristics of NSSI,and the brain reward circuit originated in the midbrain system may play a key role.From the perspective of treatment,current psychotherapy may have advantages in alleviating NSSI behavior,while therapeutic drugs and non-invasive neural regulation of substance use disorders may improve NSSI behavior via alleviating behavioral addiction.In conclusion,NSSI may be an addictive disorder,which needs further verification in the future studies.

The role of mobile phone addiction and anxiety symptoms in the association between childhood psychological abuse and depressive symptoms among college students / 中国学校卫生

Objective@#To explore the role of mobile phone addiction and anxiety symptoms in the relationship between childhood psychological abuse and depressive symptoms among college students, in order to provide a basis for mental health promotion.@*Methods@#From February to May 2023, a stratified random sampling method was used to select 1 799 freshmen to juniors from a university in Wuhu City, Anhui Province. The questionnaire survey was conducted using the 2-item Patient Health Questionnaire (PHQ-2), Child Psychological Maltreatment Scale (CPMS), Mobile Phone Addiction Tendency Scale (MPATS), 2-item General Anxiety Disorder (GAD-2). Correlations among each variable were analyzed, and the chain mediating effect of mobile phone addiction and anxiety symptoms was explored.@*Results@#The detection rate of depressive symptoms among college students was 9.7%, and the positive detection rate of childhood psychological abuse was 28.6%. Depressive symptoms were positively correlated with childhood psychological abuse, mobile phone addiction and anxiety symptoms ( r =0.28, 0.32, 0.27, P <0.01). Childhood psychological abuse was positively correlated with mobile phone addiction and anxiety symptoms ( r =0.29, 0.71, P <0.01). Mobile phone addiction and anxiety symptoms were positively correlated ( r =0.30, P <0.01). Childhood psychological abuse could effectively predict depressiove symptoms, mobile phone addiction and anxiety symptoms ( β =0.08, 0.06, 0.66, P <0.01). Mobile phone addiction and anxiety symptoms had a chain mediating effect between childhood psychological abuse and depression symptoms, with a total indirect mediating effect (effect=25.27%, P <0.05), accounting for 72.44% of the total effect.@*Conclusions@#Mobile phone addiction and anxiety symptoms play a chain mediating role between childhood psychological abuse and depressive symptoms. Focusing on childhood psychological abuse, mobile phone addiction and anxiety among college students are beneficial for depression symptoms prevention.