Trends in Obesity and Arthritis Among Baby Boomers and Their Predecessors, 1971-2002
Suzanne G. Leveille 1*,Christina C. Wee 1,Lisa I. Iezzoni 1
1 Beth Israel Deaconess Medical Center
* To whom correspondence should be addressed. E-mail: sleveill{at}bidmc.harvard.edu.
Abstract
Objectives. We examined trends in obesity and arthritis prevalenceamong the "baby boom" (born 1946-1965)and "silent" (born 1926-1945)generations.
Methods. We conducted birth cohort analyses usingsuccessive waves of the National Health and Nutrition ExaminationSurvey (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 youngestbaby boomers were obese. Differences in arthritis prevalencewere not evident across birth cohorts. However, the relativerisk of arthritis because of obesity increased over time; consequently,the percentage of arthritis cases attributable to obesity increasedfrom 3% to 18% between 1971 and 2002.
Conclusions. Our resultsshowed that members of the baby boom generation were more obese,and became so at younger ages than their predecessors. Althoughdifferences in arthritis prevalence are not yet evident, findingssuggest that obesity has contributed to more cases arthritisin recent years than in previous decades. (Am J Public Health.2005;95:XXX-XXX. doi:10.2105/AJPH.2004.060418)
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