1971年至2002年婴儿潮一代及其前辈的肥胖和关节炎趋势。
Trends in obesity and arthritis among baby boomers and their predecessors, 1971-2002.
作者信息
Leveille Suzanne G, Wee Christina C, Iezzoni Lisa I
机构信息
Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, 330 Brookline Ave, RO-103, Boston, MA 02215, USA.
出版信息
Am J Public Health. 2005 Sep;95(9):1607-13. doi: 10.2105/AJPH.2004.060418. Epub 2005 Jul 28.
OBJECTIVES
We examined trends in obesity and arthritis prevalence among the "baby boom" (born 1946-1965) and "silent" (born 1926-1945) generations.
METHODS
We conducted birth cohort analyses using successive waves of the National Health and Nutrition Examination Survey (1971-2002).
RESULTS
Obesity rates increased markedly, beginning earlier in life with each successive birth cohort. When the members of the silent generation were aged 35-44 years, 14%-18% were obese. At comparable ages, 28%-32% of the youngest baby boomers were obese. Differences in arthritis prevalence were not evident across birth cohorts. However, the relative risk of arthritis because of obesity increased over time; consequently, the percentage of arthritis cases attributable to obesity increased from 3% to 18% between 1971 and 2002.
CONCLUSIONS
Our results showed that members of the baby boom generation were more obese, and became so at younger ages than their predecessors. Although differences in arthritis prevalence are not yet evident, findings suggest that obesity has contributed to more cases of arthritis in recent years than in previous decades.
目的
我们研究了“婴儿潮一代”（出生于1946 - 1965年）和“沉默一代”（出生于1926 - 1945年）中肥胖症和关节炎患病率的趋势。
方法
我们利用美国国家健康与营养检查调查（1971 - 2002年）的连续多轮数据进行出生队列分析。
结果
肥胖率显著上升，且每一代连续出生队列的肥胖开始年龄越来越早。沉默一代成员在35 - 44岁时，14% - 18%的人肥胖。在相同年龄时，最年轻的婴儿潮一代中有28% - 32%的人肥胖。不同出生队列之间关节炎患病率的差异不明显。然而，因肥胖导致患关节炎的相对风险随时间增加；因此，1971年至2002年间，肥胖所致关节炎病例的百分比从3%增至18%。
结论
我们的结果表明，婴儿潮一代比他们的前辈更肥胖，且肥胖开始的年龄更小。虽然关节炎患病率的差异尚不明显，但研究结果表明，近年来肥胖导致的关节炎病例比前几十年更多。
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