“…In addition to coffee and caffeine intake from coffee, we investigated some potential confounding factors, which included: age (60-70 years, 70-80 years, and ≥80 years), gender (male and female), race (Mexican American, other Hispanic, Non-Hispanic White, Non-Hispanic Black and other races), educational level (below high school, high school and above high school), marital status (married/living with partner and widowed/divorced/separated/never married), poverty-income ratio (≤0.99 and ≥1), body mass index (BMI) (normal: <25 kg/m 2 , overweight: 25 to <30 kg/m 2 , obese: ≥30 kg/m 2 ), drinking (having at least 12 alcohol drinks per year or not) and smoking status (never: never smoked or smoked <100 cigarettes in life, former: smoked ≥100 cigarettes in life and currently no longer smoking and current: smoked ≥100 cigarettes in life and currently smoking) [45,46]. Total energy intake was obtained from the 24-hour dietary recall.…”