看电视对儿童肥胖的影响。
Effect of television viewing on pediatric obesity.
作者信息
Ma Guan-Sheng, Li Yan-Ping, Hu Xiao-Qi, Ma Wen-Jun, Wu Jin
机构信息
Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
出版信息
Biomed Environ Sci. 2002 Dec;15(4):291-7.
OBJECTIVE
To test the effect of television viewing on pediatric obesity in urban China.
METHODS
Stratified multistage cluster random sampling method was used for subjects selection. Nine thousand three hundred and fifty-six children, as well as their parents, were investigated. Questionnaire survey was used for data collection. Children's weights and heights were measured in the clinic of the investigated kindergartens or schools by trained investigators following the standardized procedure.
RESULTS
The percentages of children and adolescents who watched television less than 1 h, 1-2 h, 2-3 h and more than 3 h daily were 32.5%, 46.0%, 15.4% and 6.1%, respectively, while the prevalence of obesity was 10.9%, 11.8%, 13.2% and 15.1%, respectively. Each hourly increment of television viewing was associated with 1%-2% increase in the prevalence of obesity.
CONCLUSIONS
Time spent watching television is directly related to an increase risk of obesity, television viewing time is an independent factor for pediatric obesity.
目的
检验在中国城市中看电视对儿童肥胖的影响。
方法
采用分层多阶段整群随机抽样方法选取研究对象。对9356名儿童及其家长进行了调查。采用问卷调查收集数据。由经过培训的调查人员按照标准化程序，在被调查幼儿园或学校的医务室测量儿童的体重和身高。
结果
每天看电视少于1小时、1 - 2小时、2 - 3小时和超过3小时的儿童及青少年比例分别为32.5%、46.0%、15.4%和6.1%，而肥胖患病率分别为10.9%、11.8%、13.2%和15.1%。看电视时间每增加1小时，肥胖患病率增加1% - 2%。
结论
看电视时间与肥胖风险增加直接相关，看电视时间是儿童肥胖的一个独立因素。
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