Abstract: Objective To assess the prevalence of childhood television viewing in the urban area of Ma′anshan city and analyze the affecting factors. Methods Children were recruited from December 2016 to December 2017 in Ma’anshan Maternal and Child Health Care Hospital, an open sedentary behavior questionnaire was used to collect the television viewing time of children aged 12 months and 18 months who underwent 4-2-1 physical examination, and social demographic characteristics, video exposure with parents and other information were also collected. Results The total television viewing revalence of children aged 12 months and 18 months was 63.2% and 89.4%, respectively, and child mean daily screen time was (15.0±25.3) minutes and (41.2±49.5) minutes, respectively.According to the Results of multivariate binary Logistic regression analysis, parents believed that children watching TV was beneficial to infants′ cognitive development, family TV was often played, parents accompany children to watch TV, and children were often controlled to watch TV, which were risk factors for improper video exposure of children aged 18 months, and the OR values were 3.15,6.30,7.64 and 6.57(P<0.05) respectively. Conclusions Television viewing of infants and toddlers is common in Ma ′anshan city.The beliefs and behavior of parents and the household media environment are the risk factors of children′s television viewing.Parents should be taught to lead by example and reduce family screen time to reduce the television viewing of children to promote healthy growth.

Key words: screen exposure, television viewing, infants, toddlers, Ma′anshan city

摘要： 目的 调查马鞍山市市区婴幼电视、DVD/VCD、手机等电子产品的视屏暴露状况,分析婴幼儿不当视屏暴露的影响因素。方法 2016年12月-2017年12月采用自行设计的开放式久坐行为问卷对进行4-2-1体检的12月龄和18月龄婴幼儿收集视屏暴露时间,同时收集其社会人口统计学特征、带养者视屏暴露等信息。结果 12月龄和18月龄儿童总视屏暴露率分别为63.2%和89.4%,每天总视屏暴露时间分别为(15.0±25.3)min和(41.2±49.5)min。多因素二分类Logistic回归分析显示家长认为儿童看电视对婴儿认知发育有利、家庭电视经常播放、家长经常陪伴儿童看电视以及从不控制儿童看电视,是18月龄儿童发生不当视屏暴露的危险因素(OR值分别为3.15、6.30、7.64和6.57,P<0.05)。结论 马鞍山市市区婴儿视屏暴露较普遍,家长的观念和行为以及家庭环境是儿童视屏暴露的影响因素。应该教育家长以身作则,减少家庭屏幕时间以减少婴幼儿视屏暴露,促进儿童健康成长。

关键词: 视屏暴露, 电视, 婴儿, 幼儿, 马鞍山市