Table 1. Coding in the present study of variables included in “Disabilities, Deficiencies and Health Status Survey” (INE).

DEMOGRAPHIC VARIABLES

CIVIL STATUS: MARRIED = 0; SINGLE OR WIDOWED = 1

NATIONALITY: SPANISH = 0; OTHER = 1

INCOME LEVEL: MONTHLY INCOME >195 000 pesetas = 0; ≤195 000 pesetas = 1

EDUCATIONAL LEVEL: VOCATIONAL TRAINING LEVEL 2, SECONDARY or tertiary education = 0; OTHER (ILLITERATE, NO SCHOOLING, ​ PRIMARY education, OR VOCATIONAL TRAINING LEVEL 1) = 1

LIFESTYLE VARIABLES

TOBACCO CONSUMPTION: DAILY SMOKER = 1; OTHER (OCCASIONAL SMOKER, FORMER SMOKER, or Never SMOKER) = 0

ALCOHOL CONSUMPTION: DAILY DRINKER = 1; OTHER (DRINKER 4–6 TIMES PER WEEK, 2–3 TIMES PER WEEK, ONCE A WEEK, ​ LESS THAN ONCE A WEEK, FORMER DRINKER, or Never DRINKER) = 0

PHYSICAL Exertion IN MAIN WORK ACTIVITY: WORK REQUIRING heavy PHYSICAL EXERTION = 0; OTHER (SEATED MOST OF DAY, ​ STANDING MOST OF DAY, LITTLE MOVEMENT OR EXERTION, WALKING with WEIGHT, OR MOVING AROUND FREQUENTLY) = 1

PHYSICAL EXERCISE: ENGAGES IN PHYSICAL EXERCISE OR SPORT SEVERAL TIMES PER WEEK = 0; OTHER (NO EXERCISE, ​ COMPLETELY SEDENTARY, or ENGAGES IN PHYSICAL ACTIVITY OCCASIONALLY OR SEVERAL TIMES PER MONTH) = 1

HEALTH VARIABLES

SELF-PERCEIVED STATE OF HEALTH: VERY GOOD OR GOOD = 0; FAIR, POOR, OR VERY POOR = 1

CHOLESTEROL LEVEL: HYPERCHOLESTEROLEMIA YES = 1; NO = 0

BODY MASS INDEX: QUETELET INDEX <30 = 0; ≥30 = 1

CHRONIC ILLNESS: SUFFERS FROM CHRONIC disorder YES = 1; NO = 1