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Objective@#To analyze the urinary iodine status of urban and rural residents in some areas of Gansu Province and its related influencing factors, and to provide certain references for scientific iodine intake of urban and rural residents in Gansu Province.@*Methods@#Subjects in Gansu Province with normal thyroid function were recruited in the investigation of thyroid diseases and iodine nutritional status, conducted a questionnaire survey and measured height, weight, waist circumference, collected 1 urine sample, and tested their urinary iodine levels. The urinary iodine levels of different groups were compared based on different gender, region, age, body weight, the waist, and salt intaking. The affecting factors of urinary iodine levels were analyzed by multiple linear regression models.@*Results@#Totally 1 964 subjects were recruited, including 1 099 males, and 865 females. The age was (41.23 ± 14.75) years old. The median urinary iodine of the selected group was 225.60 (158.80, 311.58) μg/L. The urinary iodine level of rural residents was significantly higher than that of urban residents [μg/L: 249.80 (180.58, 336.88) vs 206.25 (148.03, 280.33), Z=-8.015, P < 0.05], and there was no significant difference between the urinary iodine levels of male and female [μg/L: 222.40 (161.60, 298.90) vs 230.60 (158.00, 326.40), P > 0.05]. The composition ratio of < 100 μg/L group in rural areas was lower than that in urban areas (5.14% vs 8.27%, χ2= 7.45, P < 0.05), and the composition ratio of ≥300 μg/L group was higher than that in urban areas (34.93% vs 21.51%, χ2= 43.87, P < 0.05). The composition ratio of ≥300 μg/L group in male was lower than that in female (24.57% vs 31.21%, χ2= 10.73, P < 0.05). The multiple linear regression analysis showed that lived in rural areas, age, moderate and severe salt intaking, student, and weight were independently correlated with urinary iodine levels (β= 0.074, -0.001, 0.059, 0.034, 0.096, -0.003, P < 0.05). And the urinary iodine levels were decreased with age and weight increased (P < 0.05).@*Conclusions@#At present, the iodine nutrition level of urban and rural residents in some areas of Gansu Province is generally over the adequate level. The urinary iodine level of rural residents is higher than that of urban residents. In the future, we should pay attention to the impact of different living areas, salt intaking and body weight on urinary iodine levels to prevent thyroid diseases.
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The inhalation and deposition of particles in human pulmonary acinus region can cause lung diseases. Numerical simulation of the deposition of inhaled particles in the pulmonary acinus region has offered an effective gateway to the prevention and clinical treatment of these diseases. Based on some important affecting factors such as pulmonary acinar models, model motion, breathing patterns, particulate characteristics, lung diseases and ages, the present research results of numerical simulation in human pulmonary acinus region were summarized and analyzed, and the future development directions were put forward in this paper, providing new insights into the further research and application of the numerical simulation in the pulmonary acinus region.
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Humans , Aerosols , Computer Simulation , Lung , Physiology , Models, Biological , Particle Size , Pulmonary Alveoli , PhysiologyABSTRACT
Patients with coronary heart disease have recurrent cardiovascular events after systemic treatment is often one of the leading factors increasing the death and hospitalization rates, thereby adding to the economic burden of society. According to foreign and domestic reports, poor compliance of cardiac rehabilitation in patients with coronary heart disease is a common problem at present. Therefore, in the rehabilitation of patients with coronary heart disease, Improving cardiac rehabilitation compliance is important in regaining health and cost saving during coronary heart disease recovery treatment. This study summarized the status and influence factors of cardiac rehabilitation compliance among foreign and domestic coronary heart disease patients and the interventions recommended for improving cardiac rehabilitation compliance.
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Objective To analyze the urinary iodine status of urban and rural residents in some areas of Gansu Province and its related influencing factors,and to provide certain references for scientific iodine intake of urban and rural residents in Gansu Province.Methods Subjects in Gansu Province with normal thyroid function were recruited in the investigation of thyroid diseases and iodine nutritional status,conducted a questionnaire survey and measured height,weight,waist circumference,collected 1 urine sample,and tested their urinary iodine levels.The urinary iodine levels of different groups were compared based on different gender,region,age,body weight,the waist,and salt intaking.The affecting factors of urinary iodine levels were analyzed by multiple linear regression models.Results Totally 1 964 subjects were recruited,including 1 099 males,and 865 females.The age was (41.23 ± 14.75) years old.The median urinary iodine of the selected group was 225.60 (158.80,311.58) μg/L.The urinary iodine level of rural residents was significantly higher than that of urban residents [μg/L:249.80 (180.58,336.88)vs 206.25 (148.03,280.33),Z=-8.015,P ＜ 0.05],and there was no significant difference between the urinary iodine levels of male and female [μg/L:222.40 (161.60,298.90) vs 230.60 (158.00,326.40),P ＞ 0.05].The composition ratio of ＜ 100 μg/L group in rural areas was lower than that in urban areas (5.14％ vs 8.27％,x2 =7.45,P ＜0.05),and the composition ratio of ≥300 μg/L group was higher than that in urban areas (34.93％ vs 21.51％,x2 =43.87,P ＜ 0.05).The composition ratio of ≥300 μg/L group in male was lower than that in female (24.57％ vs 31.21％,x2 =10.73,P ＜ 0.05).The multiple linear regression analysis showed that lived in rural areas,age,moderate and severe salt intaking,student,and weight were independently correlated with urinary iodine levels (β =0.074,-0.001,0.059,0.034,0.096,-0.003,P ＜ 0.05).And the urinary iodine levels were decreased with age and weight increased (P ＜ 0.05).Conclusions At present,the iodine nutrition level of urban and rural residents in some areas of Gansu Province is generally over the adequate level.The urinary iodine level of rural residents is higher than that of urban residents.In the future,we should pay attention to the impact of different living areas,salt intaking and body weight on urinary iodine levels to prevent thyroid diseases.
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@#【Objective】To explore the characteristics of social cognitive impairment in patients with stable schizophrenia ，and to analyze the influencing factors to provide a clinical coping strategy for improving the social cognitive function of patients with schizophrenia.【Methods】Firstly，both 158 stable schizophrenia patients and 40 healthy controls took the test of MATRICS Consensus Cognitive Battery （MCCB） and the Brief Psychiatric Rating Scale （BPRS）. General demographic information and clinical data of subjects were collected using questionnaire. Then ，the overall cognitive function and social cognitive function between schizophrenia patients and healthy controls were compared to explore the related factors affecting the social cognitive function of patients with schizophrenia.【Results】①Overall MCCB score and Mayer-Salovey-Caruso Emotional Intelligence Test（MSCEIT）factor score of schizophrenia patients with stable period were significantly lower than those of healthy control group（P < 0.05）；②The social cognitive function of schizophrenia patients was significantly correlated with gender，age，hostile suspicion，continuous performance and category fluency （P < 0.05）. 【Conclusions】 Compared with the healthy control group ，schizophrenia patients with stable period have impairment of social cognitive function ，and significant impairment of overall cognitive function. The social cognitive function of schizophrenia patients with stable period is significantly affected by gender ，age ，hostility suspicion ，and neurocognitive function（attention and information processing speed）.
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Colon cancer is a disease with high morbidity and mortality, and colonoscopy can contribute to the early detection and treatment of colon cancer. The detection rate of colon cancer is closely related to the quality of colonoscopy, and a number of factors affect the quality of colonoscopy. This article reviewed the affecting factors and controlling approaches of bowel preparation, withdrawal time, endoscopic technique, cecal intubation rate and patient comfort on the quality of colonoscopy, so as to improve the detection rate of colonic disease.
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Helicobacter pylori ( Hp) is one of the most common infectious pathogens with a high infection rate and recurrence rate in humans worldwide.In developing countries , the prevalence of Hp infection can be up to 90%and its recurrence rate is also much higher than that in developed countries.The recurrence of Hp infection is either due to recrudescence or reinfection.Compared with reinfection , the time window for recrudescence is generally shorter.Recrudescence is generally considered as the recurrence of Hp infection within one year after eradication , followed by the recurrence of Hp-associated diseases shortly.This article reviews the factors related to Hp recrudescence.
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Objective To analyze the status of psychological stress of trainees in the standardized cooperation training base for municipal hospital residents, and to discuss their mental health problems. Methods Cluster random sampling method was used to select the standardized training trainees of resident physicians in a municipal cooperative base as the research object. Self-made psychological stress evaluation scale was divided into two dimensions: psychological stress and emotion . The emotional dimension was given 1 to 10 points respectively. Descriptive statistics and analysis of variance were used to evaluate the general situation and stress status of residents in standardized training . Results The psychological stress of trainees is prominent, and the employment pressure is the biggest source of stress (4.583±2.939). Other source are work pressure (4.269±2.791), study pressure (3.398±2.782), economic pressure (3.167 ±2.715), interpersonal pressure (1.222 ±2.088), environmental pressure (1.065 ±1.906), and emotional pressure (0.824±1.723). There are significant differences between different types of stress (F=44.68, P=0.000). Trainees' mental health problems are quite serious. 59.26％ of the standardized training students occasionally feel pressure, 35.19％ often feel pressure, and 4.63％ always feel pressure. The detection rate of anxiety, depression and inferiority is 64％, 26％ and 26％, respectively. There are significant differences in the average scores of various emotions (F=24.19, P=0.000). Conclusion The psychological stress and mental health problems of residents in standardized training are prominent. Positive measures should be taken to deal with the mental health problems in prospective doctors groups in their transformation stage of development.
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Patients with coronary heart disease have recurrent cardiovascular events after systemic treatment is often one of the leading factors increasing the death and hospitalization rates,thereby adding to the economic burden of society. According to foreign and domestic reports, poor compliance of cardiac rehabilitation in patients with coronary heart disease is a common problem at present. Therefore, in the rehabilitation of patients with coronary heart disease,Improving cardiac rehabilitation compliance is important in regaining health and cost saving during coronary heart disease recovery treatment. This study summarized the status and influence factors of cardiac rehabilitation compliance among foreign and domestic coronary heart disease patients and the interventions recommended for improving cardiac rehabilitation compliance.
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Objective@#To investigate the current status of job burnout in clinical nurses in a grade A tertiary hospitalin Shaoxing,China and related influencing factors.@*Methods@#In October 2016, the Nursing Burnout Scale (NBS)was used for the investigation of 304 clinical nurses in a grade A tertiary hospital.The contents of the investigation included general data(including age,education background,working years,marital status, frequency of night shifts,professional title, and way of employment), characteristics of working environment,burnout, personality characteristics,coping strategy,and psychosomatic symptoms.SPSS 18.0 was used to conduct Pearson correlation analysis of the scores of each dimension of NBS. A multivariate regression analysis was performed with the demographic features of clinical nurses as the independent variable and the scores of each dimension of NBS as the dependent variable.@*Results@#Among the clinical nurses in this grade A tertiary hospital, the incidence rate of severe burnout was 74%.The Pearson correlation analysis showed that burnout,pessimistic personality,negative coping,and psychosomatic symptoms were positively correlated with working environment(r=0.530,0.316,0.116,and 0.502); pessimistic personality and psychosomatic symptoms were positively correlated with burnout(r=0.618 and 0.675); psychosomatic symptoms were positively correlated withpessimistic personality(r=0.540); negative coping was negatively correlated with pessimistic personality(r=-0.145).The multivariate linear regression analysis showed that department(Department of Internal Medicine or Department of Surgery,B=-0.364 and -0.428)and frequency of night shifts(<6 times/month and 6-10 times/month,B=0.199 and 0.256)were influencing factors for the score of working environment; department(Department of Internal Medicine or Department of Surgery, B=-0.350 and -0.360)was an influencing factor for the score of burnout; 1-3 working years(B=-0.238)was an influencing factor for the score of pessimistic personality; married state,1-3 working years,and department (Department of Internal Medicine or Department of Surgery)were influencing factors for the score of psychosomatic symptoms(B=0.263,-0.301,-0.322,and -0.391).@*Conclusion@#There is a high incidence rate of job burnout among clinical nurses in this grade A tertiary hospital,which is associated with burnout,working environment, pessimistic personality,and psychosomatic symptoms.Marital status,working years,department,and frequency of night shifts are major influencing factors for job burnout.
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In recent years, the application and authorization number of the Chinese materia medica (CMM) patents are increasing year by year. With the quantity of CMM patents increasing, a series of problems in patent quality accompanied. Such as poor quality of application documents of CMM patents, no enough in technology innovation of CMM patents, and not so good for the marketing operation of CMM patents, all of them seriously affect the development of CMM patents industry. So we should fight to improve the quality of CMM patents which will enhance the competitiveness of CMM industry in China by promoting technology innovation, improving the quality of patent agency, promoting the ability of patent examination, and perfecting patent aid policy.
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Objective By discussing the state of lifestyle as well as affecting factors of kidney transplant recipients,to provide more health education content and basis for their physical and psychological health.Method With internationally accepted Health-Promoting Lifestyle Profile (HPLP),we surveyed the lifestyle of the selected 104 long-term follow-up cases of kidney transplant recipients.At the same time,163 sex-and age-matched healthy volunteers,who had no obvious abnormalities in the medical test,were chosen.Result For HPLP scores among the 104 cases of recipients,20 cases were excellent,67 cases good,17 cases common,and none was inferior.As a whole,its excellent rate was 83.65％.As for 129 healthy volunteers,their overall excellent rate was 70.55％.The HPLP scores for the nutrition behavior ranked top in kidney transplant recipients,followed by healthy responsibility behavior,and lowest for exercise behavior.For the healthy volunteers,the HPLP scores for interpersonal support behavior ranked top,followed by nutrition behavior,and lowest for healthy responsibility.Correlation analysis revealed that the HPLP scores in kidney transplant recipients were significantly and positively correlated with age (r =0.307,P =0.002) and educational level (r=0.370,P =0.000),and not with gender,ethnicity,occupation and kidney sources (P＞0.05).The HPLP scores in idney transplant recipients were higher than those in healthy volunteers,among which self-actualization and healthy responsibility showed statistically significant differences (P ＜ 0.05),there was no significant difference in exercise,nutrition,interpersonal support and stress management between recipients and healthy volunteers (P＞0.05).Conclusion The HPLP scores in kidney transplants was higher than in healthy volunteers,thereinto,stress management behavior and exercise behavior were relatively weak,which were the focused improvement projects of lifestyle of kidney transplant recipients.
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In recent years, lower and lower class attendance has plagued the quality of uni-versity teaching. To solve this problem, this study conducted a questionnaire survey in accordance with the concepts of the Education Reform microscopic systems engineering and the method of SIMPP. The results showed that factors affecting student classroom attendance included two aspects: the sub-jective and objective factors. Indicators related to the subjective factors were: the personal attitude when faced with failure exams, the personal learning interest and personal grasp of the main source of knowledge. Indicators related to the objective factors were: school and teachers. Also, this study gave some suggestions on how to improve students' classroom attendance to provide data basis and refer-ence for further study on class attendance.
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Objectives: The purpose of this study was to determine the breastfeeding self-efficacy of mothers in the 0-3 month period and the affecting factors. Material and methods: The study was conducted between January-April 2011. The universe of the study consisted of all the mothers who were living in the center of Sakarya province and had infants ages 0-3 months. The sample used in the study consisted of 152 mothers who agreed to participate. The data were collected through face-to-face interviews with the mothers, using the "Personal Information Form" developed by the researchers and the "Breast-feeding Self-efficacy Scale-Short Form / BSES-SF" developed by Dennis. Turkish validity and reliability of the scale were done by Tokat et al. (2010). The data were evaluated with the SPSS program, using percentages, averages, the t-test, chi-square and ANOVA. Results: The average total score from the "taken BSES-SF" was determined as 58.61 ± 8.93, min = 16, max = 70. No significant differences were found between the scale score and maternal age (F = 0.437, p = 0.781), maternal education (F = 0.625, p = 0.645), economic status (F = 0.253, p = 0.777) and mode of delivery (t = 0.922, p = 0.358). The mean scores were determined as being higher for mothers who indicated having received training for breastfeeding compared to others who indicated having received no such training, and the difference between the scale score was statistically significant (X2 = 50.848, p = 0.010). Conclusions: Requirements for developing breastfeeding adequacy among mothers were determined. Nurses can give the necessary support to low breast-feeding mothers by assessing and identifying those requirements with help of this scale.
Objetivos: el objetivo de este estudio fue determinar la autoeficacia de las madres en cuanto a la lactancia durante el período de 0-3 meses y los factores que la afectan. Materiales y métodos: el estudio se realizó entre enero y abril de 2011. El universo del estudio estuvo compuesto por todas las madres que vivían en el centro de la provincia de Sakarya y tenían niños lactantes de 0-3 meses. La muestra utilizada en el estudio estuvo conformada por 152 madres que aceptaron participar. Los datos fueron recolectados a través de entrevistas cara a cara con las madres, utilizando el "Formulario de Información Personal" desarrollado por los investigadores y el "Formulario de Escala de Autoeficacia en Lactancia - versión abreviada/ BSES-SF" desarrollado por Dennis. La validez y confiabilidad de la escala usada en Turquía fueron medidas por Tokat et al. (2010). Los datos fueron evaluados a través del programa SPSS, utilizando los porcentajes, los promedios, la prueba t, el chi-cuadrado y ANOVA. Resultados: el puntaje total promedio de la "BSES-SF tomada" se determinó como 58,61 ± 8,93, min. = 16, máx. = 70. No se hallaron diferencias significativas entre el puntaje de la escala y la edad materna (F = 0,437, p = 0,781), la educación materna (F = 0,625, p = 0,645), la situación económica (F = 0,253, p = 0,777) y el tipo de parto (t = 0,922, p = 0,358). Los puntajes promedio fueron mayores para las madres que indicaron haber recibido capacitación para la lactancia materna en comparación con otras que indicaron no haber recibido dicha formación, y la diferencia entre el puntaje de la escala fue estadísticamente significativa (X2 = 50,848, p = 0,010). Conclusiones: los requisitos para el desarrollo de un nivel adecuado de lactancia materna entre las madres fueron identificados. Las enfermeras pueden dar el apoyo necesario a las madres con bajo nivel de lactancia mediante la evaluación y la identificación de los requisitos con la ayuda de esta escala.
Objetivos: o objetivo deste estudo foi determinar a autoeficácia das mães quanto à lactancia durante o período de 0-3 meses e os fatores que a afetam. Materiais e métodos: o estudo foi realizado entre janeiro e abril de 2011. O universo do estudo esteve composto por todas as mães que moravam no centro da província de Sakarya e tinham crianças lactantes de 0-3 meses. A amostra utilizada no estudo esteve conformada por 152 mães que aceitaram participar. Os dados foram coletados por meio de entrevistas cara a cara com as mães, utilizando o "Formulário de Informação Pessoal" desenvolvido pelos pesquisadores e pelo "Formulário de Escala de Autoeficácia em Lactancia - versão abreviada BSES-SF" desenvolvido por Dennis. A validade e confiabilidade da escala usada na Turquia foram medidas por Tokat et al. (2010). Os dados foram avaliados por meio do programa SPSS, utilizando as porcentagens, as médias, a prova t, o qui-quadrado e Anova. Resultados: a pontuação total média da "BSES-SF tomada" foi determinada como 58,61 ± 8,93, min. = 16, máx. = 70. Não se constataram diferenças significativas entre a pontuação da escala e a da idade materna (F = 0,437, p = 0,781), da educação materna (F = 0,625, p = 0,645), da situação econômica (F = 0,253, p = 0,777) e do tipo de parto (t = 0,922, p = 0,358). As pontuações médias foram maiores para as mães que indicaram ter recebido capacitação para a lactancia materna em comparação com outras que indicaram não ter recebido essa formação, e a diferença entre a pontuação da escala foi estatisticamente significativa (X2 = 50,848, p = 0,010). Conclusões: os requisitos para o desenvolvimento de um nível adequado de lactancia materna entre as mães foram identificados. As enfermeiras podem dar o apoio necessário às mães com baixo nível de lactancia mediante a avaliação e a identificação dos requisitos com a ajuda dessa escala.
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Humans , Female , Infant, Newborn , Infant , Breast Feeding , Self Efficacy , Turkey , Nursing , MothersABSTRACT
Background: Increased maternal anxiety level has been reported to have detrimental effects on the physical outcome of pregnancies such as not achieving vaginal births. This study thus aims to determine the level and factors affecting mental preparedness among mothers with normal pregnancies and its correlation with birth outcomes. Methods: Three hundred healthy mothers above 37 weeks of gestation in the early stage of labour were assessed for their level of mental preparation before birth process and outcomes after births which include general feeling (euphoria), ability to withstand labour pain and bonding with the new born. The successfulness of vaginal birth and other data on factors affecting mental preparation were also collected. Results: The level of mental preparedness was found good in 78% of the mothers, mainly determined by their socioeconomic status, family support and personal ability to adjust to changes. Age (p= 0.048), parity (0.00) and income (0.01) were found to influence mental preparedness significantly. Race, occupation, education level and marital status are however not significantly related. Poor mental preparedness is associated with greater pain during labour. A correlation analysis also found a positive relationship between the level of mental preparation and mental outcomes following birth in these mothers but it did not significantly influence the mode of delivery. Conclusion: Mental preparation before birth seems to have an effect on mental outcomes of mothers following birth process. It is vital that mothers of the younger age group with no previous obstetric experience be given more attention in preparing them mentally before they face the painful birth process.
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Cadaver donation has far-reaching social significance, but currently it cannot satisfy the practical need. Through making stochastic visits to part of dwellers in Chongqing urban districts, to find out the main obstacles to cadaver donation. Then compared to the similar activities like blood donation, we learn about the experiences of such public service activities to get further improvement of cadaver donation.
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Objective To study TCM pattem rules of primary hyperlipemia and its relation with sex,age,body mass index(BMI).Methods A total of 1 20 patients with primary hyperlipemia were divided into 5 groups by TCM syndrome differentiation:56 patients in a group of the turbid-phlegm stagnation syndrome,35 patients in a group of yang deficiency of spleen and kidney syndrome,13 patients in a group of yin deficiency of liver and kidney,7 patients in a group of hyperactivity of yang due to yin deficiency group,and 9 patients in a group of qi stagnation and blood stasis syndrome.Statistic analysis was made on factors that may affect these syndromes,and the correlations were discussed.Results Different age showed a closer relation to the onset of primary hyperlipemia than other factors(P＜0.01):sex,clinical classification,and accompanied diseases had no relation with the five-type syndromes(P＜0.01).Conclusion TCM syndromes had a certain relation with the age of patients with primary hyperlipemia.
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Objective To explore an effective way to improve the quality of life of elderly rheumatoid arthritis (RA) patients by a survey about their present living conditions and analyze the effect of some related factors. Methods This was a descriptive study and convenient sampling survey were adopted. Seventyfive elder patients with RA were investigated with self-developed questionnaire, self-mana-gement scale,family function questionnaire, DAS28, 36 question scale health survey questionnaire (SF-36). The demographic data, elderly RA related knowledge and attitudes, self-management, family function and quality of life were also investigated. Univariate analysis was used to analyze the relationship between the quality of life of elderly RA and the affecting factors. Results The score of SF-36 was (66±12). The SF-36 scores was associated with joint function (r=0.705, P＜0.01 ), and DAS28 (r=-0.712, P＜0.01 ). The SF-36 score was positively associated with the understanding of the deterioration of symptoms, the attitude of patients towards their diseases, satisfactory to the help from their families, the access to medical care and the degree of selfmanagement (r=0.515, 0.485, 0.540, 0.575, 0.545, P＜0.01); while it was negatively associated with the duration of disease course (r=-0.312, P＜0.01 ). In addition, this study also discovered that the quality of life declined with the decline of their economic status, but tended to improve with the increase of education level.Conclusion The life quality of elderly RA patients is not ideal. It is associated with DAS 28 score, the duration of disease course, the understanding of their diseases, the attitude towards their disease, selfmanagement, family support and other facotrs
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Objective To understand the health status and potential impact resulted in the second stage of Three Gorges Reservoir Areas sluicing. Methods Data were collected on deaths, prevalence rates of infectious and endemic diseases, as well as on vector surveillance through the project entitled 'Three Gorges Population Health Survey System'. Results The main causes of death in the population living in the Three Gorges Reservoir Areas would include: circulatory system diseases, tumors, respiratory system diseases, injuries/poison and digestive system diseases. The number of deaths caused by the above said five kind of diseases accounted for 90.94% of the total number of deaths. The prevalence rates on Water-born diseases related to the sluicing of reservoir and zoonosis-bome diseases related to the changes of vectors were still low. The indoor and outdoor densities of rodents were 3.11% and 3.16%, both were higher than that in 2006 but lower than the average numbers in the five years prior to the sluicing. The constituent ratio of Apodemus agrarius had constantly risen since 2006. The density of mosquitoes found in livestock barns and human households was higher than that in 2006 but lower than the average number of the five-year studies prior to the sluicing. Conclusion Environment change after the sluicing of the Three Gorges Reservoir Areas did not seem to have obvious impact on the health status of the people living in the areas. However, to strengthen the surveillance on the biological features of the vectors which might have related to the transmission of diseases would be highly recommended.
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Objective Analyzing NNT epidemiological characteristics and the influeutial factors in Guangdong province from 2001 to 2005 in order to formulate the strategies for elimination NNT.Methods To make descriptive study on the data collected from NNT surveillance system. Results 2832 cases were concentrated in the Pearl River Delta and the west of Guangdong.About 72.04% NNT cases occurred in the migrant children.Through analyzing the data of the year of 2004 and 2005,73.81% of migrant NNT cases occurred in the Pearl River Delta.The cases happened in the Pearl River Delta accounted for 90.18% of whole cases.Most of local cases occurred in the west of Guangdong,which accounted for 39.04% of local cases.The cases occurred all around the year.A seasonal peak of NNT was found from June to August.Most of the onset of disease were during 2～10 days after birth.There were a higher ratio of reported male cases to the female.The ratio was 2.08∶1.Most of the NNT cases were happened to the infants who delivered at home and most of the midmives who were responsible for delivery lacked of training.99.75% mothers did not kown or administe the tetanus toxoid vaccine. Conclusion The elimination of neonatal tetanus is a difficult task in Guangdong province.Publicity to the mass should be strenghtened.The cooperation between sectors should be conducted for NNT eliminodion.