期刊
SOCIAL SCIENCE & MEDICINE
卷 85, 期 -, 页码 1-8出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.socscimed.2013.02.023
关键词
Socioeconomic status; Cell aging; Telomere length; Health behavior; United States
资金
- National Institute on Aging [R01AG033592-01A1]
The purpose of this study was to examine the association between socioeconomic status (SES) and leukocyte telomere length (LTL) - a marker of cell aging that has been linked to stressful life circumstances - in a nationally representative, socioeconomically and ethnically diverse sample of US adults aged 20-84. Using data from the National Health and Nutrition Examination Survey (NHANES), 1999-2002, we found that respondents who completed less than a high school education had significantly shorter telomeres than those who graduated from college. Income was not associated with LTL African-Americans had significantly longer telomeres than whites, but there were no significant racial/ethnic differences in the association between education and telomere length. Finally, we found that the association between education and LTL was partially mediated by smoking and body mass index but not by drinking or sedentary behavior. (C) 2013 Elsevier Ltd. All rights reserved.
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