The Mediating role of perceived discrimination and stress in the associations between neighborhood social environment and TV Viewing among Jackson Heart Study participants.

African americans Jackson heart study Mediation analyses Neighborhood social contexts Objective built environment Sedentary time

Journal

SSM - population health
ISSN: 2352-8273
Titre abrégé: SSM Popul Health
Pays: England
ID NLM: 101678841

Informations de publication

Date de publication:
Mar 2021
Historique:
received: 07 10 2020
revised: 08 02 2021
accepted: 17 02 2021
entrez: 8 3 2021
pubmed: 9 3 2021
medline: 9 3 2021
Statut: epublish

Résumé

The aim of this study was to test the mediating role of perceived discrimination and stress on associations between perceived neighborhood social environment (PNSE) and TV viewing. Baseline data were used for 4716 participants (mean age = 55.1 y; 63.4% female) in the Jackson Heart Study (JHS), a large prospective cohort study of African Americans in Jackson, Mississippi. One binary TV viewing outcome was created: ≥4 h/day versus <4 h/day. PNSE variables included neighborhood violence, problems (higher value = more violence/problems), and social cohesion (higher value = more cohesion). Mediators included perceived lifetime discrimination, daily discrimination, and chronic stress (higher value = greater discrimination/stress). Multivariable regression was used with bootstrap-generated 95% bias-corrected confidence intervals (BC CIs) to test for mediation adjusting for demographics, health-related and psychosocial factors, and population density. Neighborhood violence, problems, and social cohesion were indirectly associated with TV viewing through lifetime discrimination ( Each PNSE variable was indirectly associated with TV viewing via lifetime discrimination and perceived stress, but not with daily discrimination among JHS participants. Unexpected directionality of mediating effects of lifetime discrimination and chronic stress should be replicated in future studies. Further research is also needed to pinpoint effective community efforts and physical environmental policies (e.g., installing bright street lights, community policing) to reduce adverse neighborhood conditions and psychosocial factors, and decrease TV viewing and subsequent cardiovascular disease risk.

Identifiants

DOI: 10.1016/j.ssmph.2021.100760 PMID: 33681448 PMC: PMC7930346
pubmed: 33681448
doi: 10.1016/j.ssmph.2021.100760
pii: S2352-8273(21)00035-5
pmc: PMC7930346
doi:

Types de publication

Journal Article

Langues

eng

Pagination

100760

Déclaration de conflit d'intérêts

None.

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Auteurs

Kosuke Tamura (K)

Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD, 20892, USA.

Stephanie L Orstad (SL)

Department of Medicine, Division of General Internal Medicine and Clinical Innovation, New York University Grossman School of Medicine, 550 Avenue, New York, NY, 10016, USA.

Ellen K Cromley (EK)

Institute for Collaboration on Health, Intervention, and Policy (InCHIP), University of Connecticut, 2006 Hillside Road, Unit 1248, Storrs, CT, 06269-1248, USA.

Sam J Neally (SJ)

Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD, 20892, USA.

Sophie E Claudel (SE)

Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD, 20892, USA.

Marcus R Andrews (MR)

Department of Health Behavior and Health Education, School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA.

Joniqua Ceasar (J)

Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD, 20892, USA.

Mario Sims (M)

Department of Medicine, University of Mississippi Medical Center, 2500 N State St, Jackson, MS, 39216, USA.

Tiffany M Powell-Wiley (TM)

Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD, 20892, USA.
Intramural Research Program, National Institute on Minority Health and Health Disparities, National Institutes of Health, 6707 Democracy Boulevard, Bethesda, MD, 20892, USA.

Classifications MeSH