Prevention & lipidsCohort study

Workplace Racial Segregation, Job Mobility, and Cardiovascular Disease Mortality Among Black US Autoworkers

Circ Popul Health OutcomesPublished

  • retrospective cohort study

Authors' conclusion

Our findings provide evidence that increasing workplace Black-White segregation may increase CVD mortality among Black workers. We observed that the cardiovascular harm of racial segregation to Black workers operates in the workplace regardless of job mobility to positions with higher wages.

Study context

Population
Black workers employed for at least 3 years from the United Autoworkers-General Motors cohort, Detroit manufacturing workers, follow-up 1941 to 2015Black workers employed for at least 3 years
Participants
5,047 workers
Exposure
highest exposure category vs lowest

Main finding

As reported in the abstract

Average exposure to racial segregation

average exposure to racial segregation

13%

Observational data: associations, not effects.

Further findings

Outcomehazard ratio (95% CI)
CVD mortality1.61 (1.18–2.19)
CVD risk among workers with lower job mobility (subgroup) — moderate segregation exposure vs low segregation exposure · lower job mobility2.13 (1.63–2.78)
CVD risk among workers with lower job mobility (subgroup) — high segregation exposure vs low segregation exposure · lower job mobility2.04 (1.27–3.28)

Cardiovascular disease (CVD) risk among workers with higher job mobility (subgroup)

Results among Black workers with higher job mobility were similar

Original publication

Workplace Racial Segregation, Job Mobility, and Cardiovascular Disease Mortality Among Black US Autoworkers. Circ Popul Health Outcomes. Published 22 January 2026. doi:10.1161/circoutcomes.125.012198

Summarised from the published abstract; every number is checked against it