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目的:探讨中国成人看电视时间与2型糖尿病发病的关系。方法:本研究采用前瞻性随访,以参加2000年~2001年中国心血管健康多中心合作研究的15 540名成人受试者作为基线,获得其每日看电视时间、身体活动情况和其他各项调查数据,2007年~2008年对该人群进行随访。将资料完整并符合要求的8 174名研究对象纳入分析,其中男性3 807人,女性4 367人。将研究对象按照看电视时间的长短分为0~1 h/d组、1.1~2 h/d组、2.1~4 h/d组和>4 h/d组。应用COX比例风险模型分析看电视时间与2型糖尿病发病风险的关系。结果:经过平均7.0年的随访(57 541.0人年),共发生2型糖尿病548例。调整年龄、性别、南北方、城乡、教育程度、家庭收入、吸烟、饮酒、糖尿病家族史和身体活动水平后,0~1 h/d组、1.1~2 h/d组、2.1~4 h/d组和>4 h/d组发生2型糖尿病的风险比(95%可信区间)分别为1.00(参照组)、1.12(0.90~1.40)、1.14(0.90~1.44)和1.62(1.14~2.29)。将看电视时间作为连续性变量代入模型,结果显示,每日看电视时间每增加1 h,2型糖尿病的发病风险增加9.2%(95%可信区间:3.1%~15.7%)。结论:每日长时间看电视会增加2型糖尿病的发病风险。为减少糖尿病发生,成年人应控制或减少看电视时间,尤其是每日超过4 h的人群。
Objective: To explore the relationship between the time of Chinese adult watching TV and type 2 diabetes. METHODS: A prospective follow-up of 15 540 adult subjects enrolled in the China Multidisciplinary Center for Cardiovascular Health Studies from 2000 to 2001 was used as a baseline to obtain daily TV time, physical activity, and other items Survey data, from 2007 to 2008, the population was followed up. A total of 8,174 informative and informative subjects were included in the analysis, including 3,807 males and 4,367 females. The subjects were divided into 0 ~ 1 h / d group, 1.1 ~ 2 h / d group, 2.1 ~ 4 h / d group and> 4 h / d group according to the time of watching TV. Using the COX Proportional Hazard Model to Analyze the Relationship between Television Time and the Risk of Type 2 Diabetes Mellitus. Results: After an average of 7.0 years of follow-up (57 541.0 person-years), 548 cases of type 2 diabetes occurred. After adjusting for age, gender, North and South, urban and rural areas, educational attainment, family income, smoking, drinking, family history of diabetes and physical activity, the patients in 0-1 h / d group, 1.1-2 h / d and 2.1-4 h / The odds ratios (95% confidence interval) for type 2 diabetes in group d and> 4 h / d were 1.00 (reference group), 1.12 (0.90 to 1.40), 1.14 (0.90 to 1.44) and 1.62 (1.14 to 2.29 ). The TV time was substituted into the model as a continuous variable. The results showed that the risk of type 2 diabetes increased by 9.2% (95% confidence interval: 3.1% -15.7%) for each 1-hour increase in watching TV time. Conclusion: Watching TV for a long time each day increases the risk of type 2 diabetes. To reduce the incidence of diabetes, adults should control or reduce their television viewing time, especially for people over 4 hours a day.