摘要:
了解扬州市3~6岁学龄前儿童视屏时间现况以及可能导致每天视屏时间>2h的影响因素,为制定相关干预措施提供依据.方法 采用整群抽样的方法,选取扬州市城区7所幼儿园的2 531名在园儿童进行身高及体重的测量,并填写家长问卷,问卷调查主要包括父母健康状况、家庭信息、出生结局和视屏时间等内容,分析可能导致视屏时间>2h的危险因素.结果 扬州市城区学龄前儿童周一至周五平均每天视屏时间>2h的比例分别为19.3%,39.3%和28.2%.以儿童3岁年龄组,儿童体重正常,父母年龄≥35岁,父母BMI为18.5~ 23.9 kg/m2,父母本科及以上学历,独生子女分别作为参照组,进行二分类非条件Logistic同归分析表明,母亲现在BMI≥24 kg/m2(OR=1.33)和本科以下学历(OR=2.15)是周一至周五视屏时间>2 h的危险因素;儿童4~6岁年龄组(OR值分别为1.53,1.88,1.95)、儿童肥胖(OR=1.34)、父亲年龄<35岁(OR=1.30)、母亲现在BMI≥24 kg/m2(OR=1.32)、父母本科以下学历(OR值分别为1.37,1.90)以及非独生子女(OR=1.32)是周末视屏时间>2 h的危险因素.父亲年龄<35岁(OR=1.44)、母亲现在BMI≥24 kg/m2(OR=1.43)和父母本科以下学历(OR值分别为1.27,2.10)是一周视屏时间>2h的危险因素.结论 儿童年龄、肥胖状况、父亲年龄、母亲现在BMI、父母学历、是否独生子女对学龄前儿童的视屏时间会产生影响.
Abstract:
Objective To investigate screen time status 3 to 6 years old preschool students in Yangzhou,and to describe the risk factors of screen time >2 hours.Methods A total of 2 531 children were selected from 7 kindergartens with clustering sampling and surveyed with a questionnaire and physical examination.Screen time status and family factors were investigated by using questionnaires.The family factors included the parents' age,education,health,family structure,birth outcomes,etc.Results The prevalence rate of screen time >2 hours from Monday to Friday per day was 19.3%,Saturday to Sunday per day was 39.3%,per day for one week was 28.2%.Children in the 3 age group,normal weight group,parent ≥35 age group,BMI 18.5-23.9 kg/m2 group,bachelor degree and above group,only child group were used as reference groups for the logistic regression model.Mother recent BMI ≥24 kg/m2(OR=1.33,95%CI=1.01-1.75) and below bachelor degree(OR=2.15,95%CI=1.67-2.77) were the risk factors of screen time >2 hours per day from Monday to Friday.Children at age 4 to 6(OR=1.53,95%CI=1.20-1.95;OR =1.88,95%CI=1.49-2.40;OR =1.95,95% CI=1.48-2.56),obesity(OR =1.34,95% CI =1.07-1.67),father's age below 35(OR=1.30,95%CI=1.05-1.61),mother recent BMI≥24(OR=1.32,95%CI=1.04~ 1.67),parent education level below bachelor degree (OR =1.37,95% CI =1.12-1.68;OR =1.90,95% CI =1.56-2.33),non-only child (OR =1.32,95%CI=1.06-1.64) were the risk factors of screen time >2 hours per day from Saturday to Sunday.Children in the 5 age group(OR=1.29,95%CI=1.01-1.67),obesity(OR=1.32,95%CI=1.05-1.66),father's age below 35(OR=1.44,95%CI=1.15-1.81),mother recent BMI ≥ 24 kg/m2 (OR =1.43,95 % CI =1.12-1.83),parent education level below bachelor degree (OR=1.27,95%CI=1.03-1.57;OR=2.10,95%CI=1.67-2.60) were the risk factors of screen time >2 hours per day for one week.Conclusion Children's age,obesity,father's age,mother recent BMI,parent education level,non-single child are the important factors associated with Yangzhou preschool screen time.
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