= 61.18 years). Cox proportional hazard models were used to estimate the association between cSES and ADRD risk, as well as the mediating effects of health behaviors, including smoking, heavy drinking, physical activity, and influenza vaccination.ResultsLower cSES was associated with a higher risk of ADRD (hazard ratio = 1.06, 1.02, 1.09). Lower physical activity mediated this association, accounting for 17.1% of the total effect of cSES on ADRD risk. Subgroup analyses revealed that this mediation was consistent across all gender and racial/ethnic groups, except for foreign-born Hispanics. Smoking mediated the association only for men, explaining 4.2% of the total effect.ConclusionsThese findings suggest that lower cSES may be a risk factor for ADRD partially through lower physical activity across most demographic groups. Interventions promoting physical activity in adulthood could help mitigate the adverse effect of low cSES on ADRD risk. Furthermore, smoking prevention programs may be particularly beneficial for men from lower socioeconomic backgrounds.
Nah et al. (Tue,) studied this question.
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