A systematic review of how social connectedness impacts associations between racism and discrimination on health outcomes

Author:

Ransome Yusuf1,Valido Alberto D2,Espelage Dorothy L2,Clements Graceson L2,Harrell Crystal1,Eckel Caroline3,Price Natalie4,Nassau Rachel5,Nyhan Kate6,Taggart Tamara L14

Affiliation:

1. Yale School of Public Health , Department of Social and Behavioral Sciences, New Haven, Connecticut

2. University of North Carolina Chapel Hill , School of Education, Applied Developmental Sciences and Special Education, Human Development and Family Science, School Psychology. Chapel Hill, North Carolina

3. University of California , Davis, Department of Sociology, Davis, California

4. The George Washington University , Milken Institute School of Public Health, Department of Prevention and Community Health, Washington, District of Columbia

5. The George Washington School of Medicine and Health Sciences , Washington, District of Columbia

6. Yale School of Public Health , Harvey Cushing/John Hay Whitney Medical Library, New Haven, Connecticut

Abstract

Abstract Racial discrimination is a well-known risk factor of racial disparities in health. While progress has been made in identifying multiple levels through which racism and racial discrimination influences health, less is known about social factors that may buffer racism’s associations with health. We conducted a systematic review of the literature with a specific focus on social connectedness, racism, and health; retrieving studies conducted in the United States published between January 1, 2012 and July 30, 2022, in peer-reviewed journals. Of the 787 articles screened, 32 were selected for full-text synthesis. Most studies (72%) were individual-level, cross-sectional, and among community/neighborhood, school, or university samples. Studies had good methodological rigor and low risk of bias. Measures of racism and racial discrimination varied. Discrimination scales included unfair treatment due to race, schedule of racist events, experiences of lifetime discrimination, and everyday discrimination. Measures of social connectedness (or disconnectedness) varied. Social connectedness constructs included social isolation, loneliness, and social support. Mental health was the most frequently examined outcome (75%). Effect modification was used in 56% of studies and mediation in 34% of studies. In 81% of studies, at least one aspect of social connectedness significantly buffered or mediated the associations between racism and health. Negative health associations were often weaker among people with higher social connectedness. Social connectedness is an important buffering mechanism to mitigate the associations between racial discrimination and health. In future studies, harmonizing metrics of social connectedness and racial discrimination can strengthen causal claims to inform interventions.

Publisher

Oxford University Press (OUP)

Subject

General Medicine,Epidemiology

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