Association of leisure-time physical activity and daily sitting time with all-cause mortality among US skin cancer survivors and non-cancer adults aged 50 years or older, NHANES 2007–2019a. aEstimates were adjusted for age, sex (male or female), race/ethnicity (non-Hispanic white and other), education attainment (less than high school, high school graduate, above high school), family poverty ratio (<1.30, 1.30–3.49, or ≥3.5), body mass index (BMI; calculated as weight in kilograms divided by height in meters squared) (<18.5, 18.5–24.9, 25–29.9, and ≥30), smoking status (never, former, and current), alcohol use (never, former, and current), and Healthy Eating Index-2015, hypertension (yes or no), hypercholesterolemia (yes or no), history of diabetes (yes or no), history of CVD (yes or no), years after first diagnosis of cancer, and skin cancer type (melanoma, non-melanoma, unknown)