在美国成年人中肥胖的流行率和趋势,1999-2008年
Katherine M Flegal1, Margaret D Carroll, Cynthia L Ogden
1National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Rd, Room 4315, Hyattsville, MD 20782, USA. kmf2@cdc.gov
JAMA
|January 15, 2010
概括
在美国成年人中,肥胖患病率在2007-2008年为33.8%. 虽然肥胖趋势以前有所增加,但这个速度似乎正在放缓,特别是在女性中.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 营养科学 营养科学
背景情况:
- 美国的肥胖率在几十年来一直呈现着持续的上升趋势.
- 以前的数据显示,1976年至2000年期间肥胖率显著增加.
研究的目的:
- 分析1999年至2008年美国成年人肥胖和超重的趋势.
- 确定2007-2008年目前肥胖和超重的流行率.
主要方法:
- 利用了来自2007-2008年国家健康和营养检查调查 (NHANES) 的5555名成年男性和女性 (20岁以上) 的数据.
- 将2007-2008年的NHANES数据与1999-2006年的调查结果进行了比较.
- 超重被定义为身体质量指数 (BMI) 25.0-29.9,肥胖是BMI ≥30.0.
主要成果:
- 在2007-2008年,年龄调整后的肥胖患病率总体为33.8% (32.2%的男性,35.5%的女性).
- 综合超重和肥胖 (BMI ≥25) 影响了68.0%的成年人.
- 肥胖患病率在过去十年中没有显著的女性趋势,但在男性中显著的线性趋势,尽管最近的数据显示稳定.
结论:
- 在2007-2008年,肥胖患病率仍然很高,男性为32.2%,女性为35.5%.
- 在前几年观察到的肥胖患病率的快速增长可能正在减缓,特别是在女性中.
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