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1.
Chinese Journal of School Health ; (12): 882-886, 2024.
Article in Chinese | WPRIM | ID: wpr-1036416

ABSTRACT

Objective@#To study the correlation between electronic screen use and myopia among primary and secondary school students in six provinces and cities in China, in order to provide a scientific basis for comprehensive prevention and control of myopia.@*Methods@#From November 2020 to June 2022, a total of 16 557 primary and secondary school students from six provinces and cities in China (Beijing City, Liaoning Province, Zhejiang Province, Henan Province, Shaanxi Province, Chongqing City) were selected by stratified cluster random sampling and probability smampling methods, and a questionnaire prepared by Beijing Center for Disease Control and Prevention was used to investigate their electronic screen use. According to Screening Criteria for Myopia in Children and Adolescents, 0.5% mass concentration of compound topicamide eye drops was used to paralyze the ciliary muscle and undergo slit lamp optometry. Chisquare test was used to compare the differences between groups, and binary Logistic regression was used to analyze the association between electronic screen use and myopia.@*Results@#About 58.3% of primary and secondary school students used electronic screens for more than two hours a day on average, and 63.4% of primary and secondary school students used continuously electronic products for more than 15 minutes at a time for nonstudy purposes. After adjusting for confounding factors, parents unrestricted use of electronic screen time and electronic screen time ≥2 h/d were positively correlated with myopia (OR=1.27, 1.13, P<0.05). Gender stratified analysis showed that boys who used electronic screen time ≥2 h/d had a higher risk of myopia (OR=1.15, P<0.05). The results of grade stratification analysis showed that parents unrestricted electronic screen use time and electronic screen time ≥2 h/d were positively correlated with myopia in the lower grade of primary school students (OR=1.34, 1.18, P<0.05). Among the higher grade of primary school students, continuous use of electronic screens for nonstudy purposes for more than 15 minutes at one time was positively correlated with myopia (OR=1.18, P<0.05). There was a multiplicative interaction between total screen time and one continuous screen time (OR=1.04, P<0.05).@*Conclusions@#Primary and secondary students in six provinces and cities in China reports excessive electronic screen usage which is associated with myopia. Schools and parents should jointly limit the use of electronic screen among primary and secondary students to reduce the occurrence of myopia.

2.
Chinese Journal of School Health ; (12): 891-894, 2024.
Article in Chinese | WPRIM | ID: wpr-1036421

ABSTRACT

Abstract@#As dietary issues of children and adolescents become increasingly complex, the assessment of food literacy (FL) is increasingly importance. FL involves a comprehensive cognition and practical ability concerning food among children, playing a key role in fostering healthy eating habits and improving health levels. The article explores the definition and connotations of FL, and introduces eight FL assessment tools in terms of theoretical foundations, dimensions, assessment methods, and their reliability and validity. Moreover, it provides a comparative analysis of these tools by examining their dimensional design, evaluation indicators, strengths, and weaknesses, as well as their applicable subjects and scenarios, aiming to offer references for implementing relevant policies and developing more comprehensive and effective FL assessment tools.

3.
Chinese Journal of School Health ; (12): 904-907, 2024.
Article in Chinese | WPRIM | ID: wpr-1036424

ABSTRACT

Abstract@#In recent years, much attention has been paid on possible impact of social media on adolescents suicidal and selfinjurious behaviors, and their relationship and mechanism of action which would be clarified are crucial for suicide prevention work of adolescents. The review mainly summarizes the conceptualization of social media and suicide/selfinjurious behaviors, as well as the directions and mechanisms of their associations. It points out further steps to prevent suicide for those internet aborigines among adolescents, aiming to provide a theoretical basis and practical direction for future suicide prevention work.

4.
Chinese Journal of School Health ; (12): 1497-1500, 2023.
Article in Chinese | WPRIM | ID: wpr-997211

ABSTRACT

Objective@#To examine the prevalence and factors influencing the inconsistency for knowledge and behavior in condom use among college students, so as to provide suggestions for AIDS prevention and education in universities.@*Methods@#From October to December 2019, a multistage cluster sampling method was employed to collect data relating to inconsistency for knowledge and behavior in condom use and other related factors among 1 303 students from six colleges in Zhuhai, China. Chi square test and Logistic regression were performed to analyze the influencing factors and moderating effect.@*Results@#The reporting rate of in consistency of knowledge and behavior in condom use among college students was 41.1%. Multivariate Logistic regression analysis showed that seeking sexual partners offline was negatively correlated with inconsistency for knowledge and behavior in condom use ( OR=0.70, 95%CI =0.51-0.95). However, condom nonuse during the first sexual experience (OR=7.11, 95%CI=5.23-9.67), smoking before sex ( OR=1.47, 95%CI =1.07-2.02), drinking before sex ( OR=1.44, 95%CI =1.09-1.91), history of intimate partner violence ( OR=1.53, 95%CI =1.13-2.07), and having multiple sexual partners ( OR=1.69, 95%CI =1.25-2.29) were positively correlated with inconsistency for knowledge and behavior in condom use ( P <0.05). The moderating effect analysis showed that condom use during the first sexual experience had a moderating effect on smoking before sex and inconsistency for knowledge and behavior in condom use ( β=0.92, P <0.05). Among students who did not use condoms during the first sexual experience, a positive correlation was observed between smoking before sex and inconsistency for knowledge and behavior in condom use ( OR= 2.76 , 95%CI=1.09-6.99, P <0.05). However, no correlation was found between smoking before sex and inconsistency for knowledge and behavior in condom use ( OR=1.32, 95%CI=0.92-1.88, P >0.05) among students who used condoms during the first sexual experience.@*Conclusion@#High levels of inconsistency for knowledge and behavior in condom use are found among college students in Zhuhai City. Colleges should carry out sex education activities as soon as possible, and explore new health education models to promote the transformation of their knowledge into behavior.

5.
Chinese Journal of School Health ; (12): 1916-1920, 2023.
Article in Chinese | WPRIM | ID: wpr-1004919

ABSTRACT

Abstract@#Social media use and mental health problems in adolescents have long been a concern, but there is controversy in the conclusions on the direction of the relationship and the size of the effect. In order to clarify the relationship between social media and mental health, the paper mainly summarizes the concepts, mediating and moderating factors, as well as protective and risk factors, it also summarizes the limitations of past studies, so as to provide theoretical basis for future research directions.

6.
Chinese Journal of School Health ; (12): 1396-1398, 2023.
Article in Chinese | WPRIM | ID: wpr-996310

ABSTRACT

Objective@#To investigate the relationship between the use of earphone and hearing impairment and its influencing factors among students aged 14-28, so as to provide a reference for appropriate earphone usage and hearing impairment prevention.@*Methods@#A cross sectional survey was conducted through the questionnaire star platform, and 983 students aged 14 to 28 were recruited across China by snowball sampling during April 3 to May 1, 2022. The χ 2 test was used to identify indicators affecting hearing, the Logistic regression model was used to further selection.@*Results@#There were 366 students with hearing impairment, accounting for 37.23%. Univariate analysis showed significant differences in hearing impairment by gender, earphone usage duration and volume, wearing during sleep, and replacement frequency ( χ 2=6.03, 6.86, 14.87, 12.22, 11.15, P <0.05). The Logistic regression model analysis showed that girls ( OR=1.43, 95%CI =1.10-1.88), maximum earphone volume ( OR=3.08, 95%CI = 1.56- 6.08), earphone usage for >1.5-3 h each time ( OR=1.44, 95%CI =1.04-1.99), sleep with headphone ( OR= 1.53 , 95%CI = 1.11- 2.11) were positively associated with hearing impairment ( P <0.05), earphone replacement every 4-<6 months ( OR= 0.38, 95%CI =0.17-0.86) and earphone replacement every six months or longer ( OR=0.39, 95%CI =0.18-0.85) were negatively associated with hearing impairment ( P < 0.05 ).@*Conclusion@#Students aged 14 to 28 earphone usage shows adverse impact on hearing. When using earphone, it is recommended to limit time spent on earphone usage, low the volume of earphone, avoid sleeping with earphone and replace earphone frequently.

7.
Article in Chinese | WPRIM | ID: wpr-964370

ABSTRACT

Objective@#To investigate the health information needs and use habits of primary and secondary school students in Shanghai, and to provide a reference for appropriate health education.@*Methods@#An online survey was conducted from May to June 2022 for 979 primary and secondary school students in eight schools in Shanghai, using a self administered questionnaire, through stratified random sample method.@*Results@#Health information with the higher demand among primary and secondary school students in Shanghai were myopia prevention [5(4,5)], oral health [5(3,5)], physical fitness [5(3,5)], healthy posture enhancement [5(3,5)], accidental injury protection[5(3,5)], prevention of Internet addiction[5(3,5)]. The most frequently used channels of health information were WeChat[4(3,5)], family, friends, classmates[4(3,5)], websites or online forums[4(3,5)], school teachers[4(3,5)], video websites or APPs[4(3,5)],doctors and experts[4(3,5)] and school activities or clubs[4(3,5)]. The most interesting forms of health information dissemination were videos, cartoons, short videos[5(4,5)]. High trust recipients of help for health problems were parents[5(4,5)], doctors and other professionals[5(4,5)],grandparents[4(3,5)], school teachers[4(3,5)], as well as peers and friends[4(3,5)].@*Conclusion@#Shanghai primary and secondary school students had a high demand for health information. Most often obtained health information through social media and interpersonal communication. The most interested forms of health communication included videos, pictures,etc. The form and content of health education should be carefully designed according to the needs and characteristics of the audience. A three dimensional matrix of media, organizations, and interpersonal health communication should be created to strengthen the effectiveness of health education.

8.
Chinese Journal of School Health ; (12): 251-255, 2023.
Article in Chinese | WPRIM | ID: wpr-964427

ABSTRACT

Objective@#The study aimed to describe the prevalence of mobile phone use and depressive symptoms and to examine the bidirectional associations between the two among college students, providinb evidence for mental health promotion among college students.@*Methods@#A longitudinal study with follow up at 6 month intervals was conducted in 1 135 students from 2 universities in Hefei, Anhui Province and Shangrao, Jiangxi Province who were selected between April and May 2019. The last follow up was conducted between April and May 2021 based on questionnaire survey, and 999 valid participants were obtained after matching. The self designed questionnaire was used to investigate the duration of cellular phone use and use of cellular phone functions among college students. The Self rating Questionnaire for Adolescent Problematic Mobile Phone Use (SQAPMPU) and the Patient Health Questionnaire-9 (PHQ-9) were used to assess cellular phone dependence and depressive symptoms among college students. Pearson correlation analysis was used to examine the correlation between cellular phone use behavior and depressive symptoms at baseline and 2 years later; linear regression model was used to analyze the linear association between cellular phone use behavior and depressive symptoms scores; autoregressive cross lagged model was used to analyze the bidirectional associations between cellular phone use behaviors and depressive symptoms among college students over time.@*Results@#The prevalence of mobile phone dependence and depressive symptoms among college students at baseline were 24.3% and 42.4%, respectively. The mean duration of mobile phone use among college students at baseline and the 2 year follow up were (2.84±0.90)h/d and (2.02±1.05)h/d, respectively; the mean scores of mobile phone dependence were (23.30±9.00) and (23.29±10.45), respectively; the mean scores of mobile phone function use were (30.12±6.66) and (29.12±7.27), respectively; and the mean scores of depressive symptoms were (4.51±4.76) and (2.61±4.40), respectively. Pearson correlation analysis showed there were significant positive correlations between duration of cellular phone use, cellular phone dependence, use of cellular phone functions at baseline or 2 years later and depressive symptoms 2 years later( r =0.08-0.50, P <0.05). Linear regression models showed a significant positive association between cellular phone dependence at baseline and depressive symptoms ( β=0.26, 95%CI =0.23-0.29) at baseline and 2 years later ( β=0.12, 95%CI =0.09-0.15). Autoregressive cross lagged models showed that cellular phone dependence at baseline positively predicted depressive symptoms 2 years later ( β =0.04) and depressive symptoms at baseline positively predicted cellular phone dependence 2 years later( β =0.23)( P <0.05).@*Conclusion@#There was a bidirectional association between cellular phone dependence and depressive symptoms among college students. Reducing cellular phone dependence is of positive significance for improving college students mental health.

9.
Chinese Journal of School Health ; (12): 1179-1184, 2022.
Article in Chinese | WPRIM | ID: wpr-940103

ABSTRACT

Objective@#To understand the current situation and associated factors of cellphone usage and addiction among Chinese children and adolescents, to provide reference for effective prevention and intervention of cellphone addiction.@*Methods@#Using a stratified random sampling approach, 11 213 children and adolescents and their parents from 31 provinces, municipalities and autonomous regions in China were recruited and surveyed.@*Results@#The median of daily mobile phone use time among Chinese children and adolescents were 120.00 minutes, as reported by either children or parents. Child s age( β =0.12), hedonic( β =0.11) and social( β =0.09) cellphone use motivations positively related to time spent on cellphone( P <0.01). Cellphone related parental communication( β =-0.06) and knowledge( β =-0.03), as well as cellphone usage on instrumental( β =-0.04) or self representation( β =-0.16) motivation negatively related to time spent on cellphone( P <0.05). Child s age( β =-0.04), cellphone related parental communication( β =-0.09) and awareness( β =-0.14), cellphone use on instrumental motivation( β =-0.22) were negatively associated with cellphone addiction among children and adolescents( P <0.05). Cellphone related parental monitoring( β =0.07), as well as cellphone usage on self representation motivation( β =0.03) or hedonic motivation( β =0.29) positively related to cellphone addiction in children and adolescents( P <0.05).@*Conclusion@#Time spent on mobile phone and mobile phone addiction of Chinese children and adolescents are influenced by various internal and external factors, such as the mobile phone use motivation and parenting style.Future school education should help children develop scientific motivation for mobile phone use. Family education should help parents develop positive parenting behaviors such as communication and awareness, so as to reduce the possibility of improper mobile phone use.

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