期刊
PSYCHOSOMATIC MEDICINE
卷 71, 期 8, 页码 828-835出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/PSY.0b013e3181b4c4f2
关键词
marital status; C-reactive protein; inflammation; risk reduction; aging
资金
- National Institutes of Health [5R01 AG021487, 074637]
- National Opinion Research Center (NORC)
- National Institute of Aging [028454]
Objective: To examine the association between marital status and C-reactive protein (CRP) levels after accounting for a range of relevant of demographic, subjective, and objective health indicators and psychological variables Minor elevations in CRP (>3 mg/L) are a nonspecific marker of systemic inflammation and predict the future onset of cardiovascular disease Methods: Data from the National Social Life, Health, and Aging Project (NSHAP), a population-based study of community-dwelling older adults in the United States, were used to study CRP elevations. Home-based interviews were conducted with the entire NSHAP sample, a Subset of whom provided whole blood samples for the CRP analyses The final sample consisted of 1715 participants (n = 838 men) with an average age of 69.51 years. Multiple and logistic regression analyses were conducted. using CRP as a continuous and dichotomous outcome variable. Results: Across the entire NSHAP sample, married men demonstrated the lowest levels of CRP. After adjusting for the competing predictors, marriage remained a unique protective factor against elevated CRP for men (odds ratio = 0 56, 95% Confidence Interval = 0.39-0.79). The absolute risk reduction (for being classified in the high-risk CRP group) associated with being a married man was roughly equivalent to that observed for adults who were normotensive, nonsmokers, and those with a normal body mass index. Conclusions: Remaining married in late adulthood affords men unique and robust protection against elevated levels of CRP. The findings are discussed in terms of the pathways linking marital status and health outcomes among older adults
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