关键词: 电视, 睡眠, 边缘智力, 认知发展, 儿童

Abstract: Objective To test the relationships between television exposure,sleep problems and intellectual development among children aged 18 months. Methods The children aged 18 months who received child health care at Care Department of Maternal and Child Health Care Hospital of Maanshan between July 2013 and April 2014 were recruited as the study participants.The information on socio-demographic factors,screen exposure and sleep and so on was collected.Intellectual development was assessed using developmental screening test for child under six (DST).A total of 1 647 children (843 males and 804 females) were analyzed.Descriptive statistics and Logistic regression were used in analysis. Results After adjusted for gender,only child,parents' age,parents' education and occupation,monthly family income and mutually adjusted for television exposure,sleep problems and regular sleep,television exposure ≥60 minutes (OR=1.89,95%CI:1.11～3.23) and having sleep problems (OR=1.46,95%CI:1.03～2.07) were independently associated with an increased risk for borderline intellectual functioning and intellectual disability. Conclusion Longer television exposure and sleep problems have a negative effect on children's intelligence development.

Key words: television viewing, sleep, borderline intellectual functioning, cognitive development, children