Journal
AMERICAN JOURNAL OF HEALTH BEHAVIOR
Volume 43, Issue 4, Pages 717-728Publisher
PNG PUBLICATIONS
DOI: 10.5993/AJHB.43.4.6
Keywords
African Americans; depression; discrimination; health disparities; neighborhood disadvantage; physical activity
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Funding
- University Cancer Foundation
- Duncan Family Institute through the Center for Community-Engaged Translational Research
- Cullen Trust for Health Care Endowed Chair Funds for Health Disparities Research
- Morgan Foundation Funds for Health Disparities Research and Educational Programs
- National Cancer Institute at the National Institutes of Health through The University of Texas MD Anderson's Cancer Center Support Grant [P30 CA016672]
- Cancer Prevention and Research Institute of Texas (CPRIT) [RP170259]
- MD Anderson's Cancer Center Support Grant - National Cancer Institute [CA016672]
- University of Texas MD Anderson Cancer Center Duncan Family Institute for Cancer Prevention and Risk Assessment
- American Cancer Society [MRSG-13-145-01]
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Objectives: In this study, we examined how racial discrimination and neighborhood perceptions relate to physical activity and sedentary behavior mediated through depression symptoms. Methods: Data were from the first year of a longitudinal cohort study, Project Creating a Higher Understanding of cancer Research and Community Health (CHURCH), based on a convenience community sample of church-attending African Americans collected between April 2012 and March 2013 (N = 370) in Houston, Texas. Measures included racial discrimination, perceived neighborhood problems and vigilance, depression (CES-D), physical activity (IPAQ-short), and sedentary behavior. Results: Main effects from the structural equation model showed that racial discrimination (b = .20, p < .01) was related to greater depression symptoms. The same pattern emerged for neighborhood problems, but the effect was not significant (b = .20, p = .07). Further, depression symptoms were related to less physical activity (b = -.62, p = .03) and greater sedentary behavior (b = .64, p < .01). Indirect effects showed that depression mediated the relationship between racial discrimination and neighborhood problems on physical activity and sedentary behavior. Conclusions: Depression symptoms are an important mechanism by which racial discrimination and perceived neighborhood problems impact physical activity and sedentary behavior.
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