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Predicted marginals by 3-year intervals, racial/ethnic group, and income level for the prevalence of engaging in any aerobic activity among US adults, adjusted for age and sex. Error bars represent 95% confidence intervals. Participation in any aerobic activity was defined as engaging in any aerobic physical activity per week for ≥10 minutes at a time. Black indicates non-Hispanic black; PIR, poverty income ratio; white, non-Hispanic white.
