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County-level residential segregation and sedentary behavior in US adults
Mohammad Moniruzzaman1, Yangyang Deng2, Breanna Rogers2
1Socio-Spatial Determinants of Health (SSDH) Laboratory, Population and Community Health Sciences Branch, Division of Intramural Research, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD, USA. mohammad.moniruzzaman@nih.gov.
Journal of Activity, Sedentary and Sleep Behaviors
|September 2, 2025
Summary
This study found no link between residential segregation and sedentary behavior in Non-Hispanic Black and Hispanic adults. Sedentary time did not differ by segregation levels, regardless of sex.
Area of Science:
- Public Health
- Socio-environmental Health
- Epidemiology
Background:
- Excessive sedentary behavior (SB) is a significant public health concern in the United States.
- The influence of residential segregation on SB remains understudied from a socio-ecological perspective.
- Understanding these environmental factors is crucial for developing targeted interventions.
Purpose of the Study:
- To investigate the association between county-level residential segregation and total daily sedentary time.
- To examine these relationships in a nationwide sample of US adults, specifically focusing on Non-Hispanic Black and Hispanic populations.
- To explore potential sex-based differences in the association between segregation and SB.
Main Methods:
- Cross-sectional analysis of 2,637 US adults (aged 20-75) from the AmeriSpeak panel (2019).
- Sedentary time measured using the validated Activities Completed over Time in 24-hours (ACT24) previous-day recall.
- Residential segregation quantified using the county-level isolation index for Non-Hispanic Black and Hispanic adults; regression models adjusted for covariates and stratified by sex.
Main Results:
- US adults reported an average of 9.5 hours/day of sedentary time.
- No significant association was found between Non-Hispanic Black residential segregation and sedentary time (p=0.790).
- No significant association was observed between Hispanic residential segregation and sedentary time (p=0.743); sex-stratified analyses also yielded null results.
Conclusions:
- The study found no evidence of an association between residential segregation and sedentary behavior among Non-Hispanic Black and Hispanic adults.
- These associations did not vary significantly by sex.
- Future research with larger samples, particularly from underrepresented minority populations, is recommended to confirm these findings.
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