学校环境因素与中国西安市青少年的 BMI 有关。
School environment factors were associated with BMI among adolescents in Xi'an City, China.
机构信息
Division of Health Sciences, University of South Australia, Australia.
出版信息
BMC Public Health. 2011 Oct 11;11:792. doi: 10.1186/1471-2458-11-792.
BACKGROUND
School environment influences students' behaviours. The purpose of this research was to identify school environment factors associated with BMI.
METHODS
A cross-sectional study was conducted among 1792 school-aged adolescents from 30 schools in six districts in Xi'an City in 2004. Height and weight were taken from students by trained field staff. School environment characteristics such as physical factors (school facilities, school shops and fast food outlets in school area), school curricula and policies were collected from school doctors using school environment questionnaire. School environment factors were identified in linear mixed effect models with BMI as outcome and adjusted for socio-demographic factors.
RESULTS
After adjusted for socio-demographic factors, BMI was associated with the availability of soft drinks at school shops, the availability and the number of western food outlet in the school vicinity. School curricula such as sports-meeting and health education session were also associated with BMI.
CONCLUSIONS
Urgent actions are needed to address the obesogenic elements of school environments. Community and school policy makers should make efforts for students to avoid exposure to fast food outlet in school area and soft drinks at school shops, and to improve school curricula to promote healthy behaviours.
背景
学校环境影响学生的行为。本研究旨在确定与 BMI 相关的学校环境因素。
方法
2004 年，在西安市 6 个区的 30 所学校中，对 1792 名学龄青少年进行了横断面研究。由经过培训的现场工作人员从学生那里获取身高和体重数据。使用学校环境问卷，从校医处收集学校环境特征，如物理因素（学校设施、学校商店和学校区域的快餐店）、学校课程和政策。采用线性混合效应模型，以 BMI 为因变量，调整社会人口统计学因素，确定学校环境因素。
结果
在调整了社会人口统计学因素后，BMI 与学校商店提供软饮料、学校附近的西式食品店的数量和种类有关。体育比赛和健康教育课程等学校课程也与 BMI 有关。
结论
需要采取紧急行动来解决学校环境中致肥胖的因素。社区和学校决策者应努力让学生避免接触学校区域的快餐店和学校商店的软饮料，并改善学校课程，以促进健康行为。
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