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目的了解北京城区学龄前儿童超重及肥胖的动态变化趋势。方法采用典型抽样的方法,在北京城区选择10所不同类型的幼儿园,对2000年在小班的862名儿童进行了连续3年的跟踪调查。结果调查发现男女儿童的肥胖发生率均随着年龄的增长而逐年增加,男童肥胖发生率从2000年的4.4%上升到2002年的12.5%,女童肥胖发生率从2000年的4.2%上升到2002年的10.7%,超重和肥胖的儿童的体重增长速度明显高于体重正常的儿童。3年中80%的肥胖儿童继续保持肥胖,体重正常组的儿童发展为肥胖的发生率则远远低于超重组。
Objective To understand the dynamic changes of overweight and obesity among preschool children in Beijing urban area. Methods By means of a typical sampling method, 10 different types of kindergartens were selected in urban Beijing and 862 children in small classes in 2000 were followed up for 3 consecutive years. Results The incidence of obesity among boys and girls increased year by year with the increase of age. The incidence of obesity among boys increased from 4.4% in 2000 to 12.5% in 2002, and the incidence of obesity among girls increased from 4.2% in 2000 to In 2002, 10.7% of overweight and obese children gained significantly more weight than their normal weight children. Eighty percent of obese children continue to be obese in three years, while those in normal-weight groups develop obesity much less frequently than those in the overweight group.