广东省2002-2012年6～17岁儿童青少年超重／肥胖变化趋势分析

Prevalence and trend of overweight and obesity in children and adolescents in Guangdong province, 2002-2012

目的 分析2002-2012年广东省6～17岁儿童青少年超重/肥胖的流行状况及其变化趋势。方法 2002年营养调查采用多阶段分层与整群随机抽样方法，在全省抽取13个监测点共7 075名6～17岁儿童青少年进行调查。2009-2012年的广东省居民营养调查采用多阶段分层整群随机抽样的方法，在广东省9区/县城乡调查点抽取2 319名6～17岁儿童青少年，进行身高和体重测量。结果 2009-2012年广东省6～17岁儿童青少年平均超重率和肥胖率分别为7.3%和4.5%，男生超重率和肥胖率（8.9%和6.5%）均高于女生（5.3%和2.2%），城市超重率和肥胖率（9.3%和5.6%）均高于农村（4.7%和3.2%）；以9～11岁组超重率（8.8%）和肥胖率（6.0%）最高。与2002年比较，除城市女生肥胖率下降外，城市男生、农村男生和女生的超重率和肥胖率均明显上升，其中农村超重和肥胖增幅高于城市，男生增幅高于女生。结论 广东省6～17岁儿童青少年超重和肥胖率较2002年有较大上升，其中农村、男生和9～11岁超重/肥胖比例较高，应重点关注。

Objective To investigate the prevalence and trend of overweight and obesity in children and adolescents aged 6-17 years between 2002 and 2012 in Guangdong province. Methods A total of 7 075 children and adolescents aged 6-17 years were selected in Guangdong for nutritional survey in 2002 and a total of 2 319 children and adolescents aged 6-17 years were selected in nine counties/districts of Guangdong for nutritional survey during 2009-2012 through multi-stage random cluster sampling. The body height and weight of all the children and adolescents were measured. Results The result of 2009-2012 survey indicated the average prevalence of overweight and obesity in the children and adolescents surveyed were 7.3% and 4.5%, respectively. The prevalence of overweight and obesity were higher in boys （8.9% and 6.5%） than in girls （5.3% and 2.2%）, in rural area （9.3% and 5.6%） than in urban area （4.7% and 3.2%）. Children and adolescents aged 9-11 years had a higher overweight and obesity rates compared with other age groups. Compared with 2002, except for obesity rate in urban girls, the prevalence of overweight and obesity in children and adolescents obviously increased. The increase rate was higher in rural area than urban area and in boys than in girls. Conclusions Compared with 2002, the prevalence of overweight and obesity in children and adolescents in Guangdong obviously increased. The prevalence was much higher in boys, those living in rural area and those aged 9-11 years, thus more attention should be paid to them.