Sexual Activity and HIV-Related Knowledge among Secondary School Students in China.

Objective: The aim of this study was to assess the level of HIV/AIDS knowledge and sexual activity among secondary school students, and to offer specific intervention strategies.

Materials And Methods: Random sampling technique was used and cross-sectional study was conducted among 6347 students using self-administered questionnaire.

Results: The ages of participants range from 9 to 21 years with a mean of 14.

Correlation of burnout with social support in hospital nurses.

Burnout is common in industrial countries. In this study, our aim is to investigate the relationship between burnout and social support (SS) among hospital nurses. A cross-sectional survey was conducted in 7 hospitals from three provinces of China.

A meta-analysis of the relationship between vitamin D deficiency and obesity.

Previous epidemiologic studies suggested that vitamin D deficiency may be a risk factor of obesity. However, the result is still controversial. This meta-analysis aims to provide a comprehensive summary on the association between vitamin D deficiency and obesity.

Prevalence and risk factors of anxiety status among students aged 13-26 years.

Previous study revealed that 8%-12% adolescents suffered from various types of anxiety disorders, and which had interfered with adolescent daily life function and affected adolescent social function. The aim of this study was to evaluate anxiety status and its related factors among students aged 13-26 years from Wuhu, China. This was a cross-sectional observational study.

The role of social support on occupational stress among hospital nurses.

Stress is a nonspecific reaction to everything the body needs. Although occupational stress exists in every occupation, it is seen with more frequency and intensity amongst those occupations related to human health. In this study, we aimed to investigate the relationship between occupational stress and social support (SS) among hospital nurses.

Prevalence of overweight and obesity among primary school children aged 5 to 14 years in Wannan area, China.

Background: Overweight and obesity are epidemic worldwide. The purpose of this research is to estimate whether the prevalence of obesity among primary school children is high, and to identify its potential determinants to optimize the methods of prevention to combat further increases in childhood overweight.

Methods: A cross-sectional study was designed to collect the routine health screening data for primary school children in Wannan area, China.