青少年课余视屏行为改变的干预效果  

Effect of Intervention on Adolescents' Screen Viewing Behavior in Spare Time

作　　者：罗春燕[1] 孙力菁 周月芳[1] 陆茜[1] 蒋慧芬 汤海英 冯晓刚[1] 

机构地区：[1]上海市疾病预防控制中心儿童青少年健康所,上海200336 [2]宝山区疾病预防控制中心学校卫生科,上海201900 [3]奉贤区疾病预防控制中心慢性病防治科,上海201499

出　　处：《环境与职业医学》2015年第12期1127-1131,共5页Journal of Environmental and Occupational Medicine

基　　金：上海市公共卫生人才培养项目(编号:GWDTR201215);上海市卫生计生委科研项目(编号:20114086)

摘　　要：[目的]分析干预前后青少年视屏行为的改变,评估干预的效果及其影响因素。[方法]随机抽取上海市2个区,从该2个区所有学校中随机选择2所学校的预初及初一年级学生,其中1所为干预组,另1所为对照组,干预组1年内实施以健康教育为主的综合干预措施,对照组无干预措施。1年后对两校再进行调查,观察干预效果。[结果]知识方面,干预组"过长视屏时间对健康影响"的回答正确率(87.1%)高于对照组(81.7%)(P<0.01),其余知识项目差异无统计学意义。干预组和对照组干预前后视屏时间差值比较,差异无统计学意义。[结论]总体目标行为改变没有完全达到预期的效果,这与干预过程中受到的各种限制有关,并且在一定程度上说明了青少年课余视屏行为发生过程和干预的复杂性。[Objective] To analyze the changes in screen viewing behavior among adolescents before and after an intervention and to evaluate the effects and relevant influencing factors. [Methods] Two middle schools from all middle schools registered to each of the two districts randomly selected over all districts of Shanghai were randomly selected and divided into an intervention group and a control group, and each group recruited all Grade 6 and Grade 7 students in the selected middle schools. A comprehensive one-year intervention program on screen viewing behavior featured with health education was adopted in the intervention group, while the control group received no intervention measures. A follow-up survey was conducted after one year and evaluation was performed for before-and-after-the-intervention comparison. [Results] After intervention, the correct answer rate of ＂the health effects of unduly screen viewing time＂ of intervention group was higher（87.1%） than that of the control group（81.7%）（P〈 0.01）; no differences were found in other knowledge items. The difference of screen viewing time before and after the intervention was not significant between the intervention group and the control group. [Conclusion] Due to the limitations encountered during the intervention program execution, the overall behavior improvement does not reach the expected effect. It suggests the complexities of adolescents＇ screen viewing behavior and the difficulties of effective interventions.

关 键 词：视屏行为 中学生 干预 健康教育 

分 类 号：R179[医药卫生—妇幼卫生保健]