【摘要】 目的了解儿童单餐摄食量与肥胖的关系,探索儿童单纯性肥胖的饮食危险因素。方法设计问卷,对202名超重肥胖儿童和209名正常体重儿童进行图片法食量评估、24h膳食回顾、饮食行为及家庭环境等调查。采用logistic回归方法分析儿童单纯性肥胖的饮食危险因素。结果肥胖儿童在单餐进食份量(P<0.05)、每日总能量(P<0.05)及供能营养素摄入量(P<0.05)上明显高于对照组,蔬菜摄入量则低于对照组(P<0.05)。食物图片法分析儿童食量的结果与24h膳食调查结果一致。多因素校正后的回归分析显示儿童肥胖与单餐进食份量(午餐OR=1.003,P<0.05、晚餐OR=1.002,P<0.05)、晚餐能量密度(OR=2.260,P<0.05)、蛋白质摄入量(OR=1.027,P<0.05)密切相关,与总能量及脂肪摄入量无关(P>0.05)。结论单餐大份量、高能量密度进食是儿童肥胖的饮食危险因素,食物图片法可以对儿童日常食量作出良好评价,结合食量及食物能量密度分析的方法能更全面地反映儿童肥胖发生的风险。更多还原

【Abstract】 Objective To study the relationship between meal size and obesity and explore the dietary causes of obesity in children.Method Two hundred and two overweight and obese children were compared with 209 normal weight children with respect to take a questionnaire which included food intake estimation using food photographs,a 24 h dietary record,and survey of dietary behavior and family environment.Results Overweight and obese children tended to consume larger meal size(P<0.05),higher intake of energy(P<0.05) and macronutrients(P<0.05) per day while vegetables consumption was less(P<0.05).The meal size which was reported by children themselves showed similar results as the 24 h dietary record.The multiple logistic regression indicated that lunch size(OR=1.003,P<0.05),dinner size(OR=1.002,P<0.05),food energy density of dinner(OR=2.260,P<0.05),and protein consumption(OR=1.027,P<0.05) were correlated with children’s simple obesity.However,the differences of the total energy and fat intake between two groups was not significant after adjusting the genetic and environmental factors(P>0.05).Conclusion Large meal size and high intake of high-energy density food at a meal were the most important risk factors of children’s obesity.Food photographs appeared to be successful for children to estimate the food intake.The combination of meal size and food energy density could provide more information about the risk factors of obesity.更多还原