Characteristics of the study population in relation to activities of daily living (ADL), n (%).

n = number of subjects, m = mean, sd = standard deviation, MMSE = Mini Mental State Examination, PA = physical activity.*p#There were missing data for socioeconomic status (n = 1), multi-morbidity (n = 5), MMSE (n = 9).All proportions are weighted and the weighted variable is included in the chi square analyses.