期刊
JOURNAL OF BEHAVIORAL MEDICINE
卷 38, 期 5, 页码 830-834出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10865-015-9656-z
关键词
Blood pressure; Social support; Income; Socioeconomic status; Buffering; African-American
资金
- National Institute on Aging [F31AG039930]
- National Institute of Digestive and Kidney Diseases [R01DK067615]
- National Institute of Child Health and Human Development [R01HD072153]
- National Institute of General Medical Sciences [T32GM081740]
Socioeconomic disadvantage has been linked to elevated blood pressure (BP), and the purpose of this study was to assess whether interpersonal social supports buffer these adverse relations in African-American adults. In three communities matched demographically, a subsample of participants (N = 204) of the Positive Action for Today's Health trial provided measures of perceived social support, annual household income, and BP. Multiple regression analyses with cross-product interactions were conducted using follow-up data. The sample had a mean age of 52.8 years (SD = 15.1), and was predominantly female (66 %) with a high body mass index (M = 33.5, SD = 14.7). Results indicated an inverse relation between social support and diastolic BP (B = -.178, p = .005), and also an interaction with income (p = .046), such that higher social support related to lower diastolic BP in the lowest-income individuals (B = -1.05). The same direct (B = -.141, p = .025) and interacting (B = -1.42, p = .040) social support effects were present for systolic BP, however the omnibus model for systolic BP was not significant, F(6, 196) = 1.80, p = .09. The hypothesized buffering effect of social support on the adverse relation of income to BP was partially supported in at-risk African-American adults. Future prevention efforts for reducing the impact of socioeconomic stress on BP may aim to increase perceptions of social support.
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