关键词: 隔代养育, 饮食, 运动, 现况调查, 儿童

Abstract: Objective To investigate differences in parenting style,physical development,diet and physical activity of 3~6 years old children through a cross-sectional study. Methods The study consisted of 36 kindergartens covering all 18 districts in Shanghai,2 kindergartens each district.A self-designed questionnaire was used to collect children's family situation,physical development,dietary and physical activity information. Results The sample consisted of 1 637 children,30.5% of them were raised by grandparents.The incidence rate of overweight and malnutrition between two parenting styles had no difference (χ²=0.001,P=0.982).Children under different parenting styles all had problems in meal time,daily water drinking and lacking of exercises outside the garden.Grandparents chosed more diversely in diet and exercises. Conclusions More parents choose to raise children themselves in Shanghai.The physical development,diet and physical activity of children under two parenting style are different.Long meal time,lack of daily water drinking and exercises outside the garden are common problems in children under different parenting styles.The choice in the site selection and the mode of physical activityreflect the change of children's living environment in Shanghai.

Key words: grandparents raising, diet, physical activity, cross-sectional investigation, children