Trial reportAnnals of behavioral medicine : a publication of the Society of Behavioral Medicine2026
Expanding social networks through physical activity: implications for cardiometabolic health.
Trial report in Annals of behavioral medicine : a publication of the Society of Behavioral Medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
Funding
Abstract
importanceBoth social networks (SN) and physical activity (PA) are linked to cardiovascular health, yet prospective studies examining them simultaneously are scarce.
objectiveThis study examined the temporal relationship between SN and PA as well as the association of both factors with cardiometabolic markers.
designA 1-year randomized controlled trial.
settingRemote intervention recruited from San Diego County, California.
participantsCommunity sample of underactive adult Latinas (N-199).
interventionCognitive-behavioral and individually tailored PA program delivered remotely. MAIN OUTCOMES AND MEASURES: The 7-day Physical Activity Recall Interview measured moderate-to-vigorous PA (MVPA) and the Social Network Index Scale measured social network size, social role diversity, close ties (eg, family and friends), and peripheral ties (eg, neighbors and coworkers) at baseline and months 6 and 12. Total cholesterol, low density lipoprotein (LDL), high density lipoprotein (HDL), and triglycerides (TG) were collected from a non-fasting blood sample at baseline and month 6. Data were analyzed using lagged mixed-effect modeling and exploratory multivariable change-score regression.
resultsParticipants who engaged in greater MVPA subsequently had more peripheral social ties. The reverse association was not observed, as SN did not predict later MVPA. Increased total network size, diverse ties, or peripheral ties were associated with reduced total cholesterol and LDL, but not HDL or TG, independent of concurrent changes in MVPA. No significant associations were detected between MVPA and lipid biomarkers. CONCLUSIONS AND RELEVANCE: Engaging in PA can help cultivate new social relationships. The formation of broader and acquaintance-based social connections may contribute to better cardiometabolic health.
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