Health in mid-life.
D000203:Activities of Daily Living; D000328:Adult; D017677:Age Distribution; D000368:Aged; D001294:Attitude to Health; D002170:Canada / Q000453:epidemiology; D002908:Chronic Disease / Q000453:epidemiology*; D006233:Persons with Disabilities / Q000706:statistics & numerical data*; D004522:Educational Status; D005260:Female; D015438:Health Behavior; D007722:Health Knowledge, Attitudes, Practice; D006304:Health Status; D006801:Humans; D007182:Income / Q000706:statistics & numerical data; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence; D012307:Risk Factors; D017678:Sex Distribution