Why the study?
The oxidative balance score had not been systematically evaluated in relation to cardiometabolic multimorbidity and mortality.
Is a higher oxidative balance score associated with reduced cardiometabolic multimorbidity and mortality in NHANES participants?
Population
11,365 NHANES participants
Comparison
Associations across different levels of oxidative balance score
Design
Observational analysis using logistic regression, Cox models, and machine learning
Key result
Each 5-point increase in the oxidative balance score was associated with lower odds of cardiometabolic multimorbidity (OR 0.96) and reduced risks of all-cause mortality (HR 0.85).
Authors
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Higher OBS may support CMM risk reduction efforts; leaves open causality and interventional benefits in cardiometabolic populations.
Cohort (n=11,365)
Is a higher oxidative balance score associated with reduced cardiometabolic multimorbidity and mortality in NHANES participants?
Effect estimate: HR 0.85
Higher oxidative balance score is associated with lower cardiometabolic multimorbidity prevalence and reduced mortality risk, partially mediated by inflammatory and insulin resistance pathways.
Tan et al. (2026) conducted a cohort in Cardiometabolic multimorbidity (n=11,365). Oxidative balance score (OBS) vs. Lower OBS was evaluated on All-cause mortality (HR 0.85). Each 5-point increase in the oxidative balance score was associated with lower odds of cardiometabolic multimorbidity (OR 0.96) and reduced risks of all-cause mortality (HR 0.85).