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Table 1 Study subpopulations. Data source, examination year, gender, age range at baseline, sample size, response rate and investigation procedure for the five subpopulations

From: The prognosis for individuals on disability retirement An 18-year mortality follow-up study of 6887 men and women sampled from the general population

Subpopulation Investigation Gender Age range Sample size Responders Response rate, % < 65 years at baseline Investigation procedure
  Year Place        
BEDA 1980 Gothenburg women 38–64 1704 1413 82.9 1413 Questionnaires + medical examination
Men Born in 1933 1983 Gothenburg men 50 1016 776 76.4 776 Questionnaires + medical examination
ESKIL 1986 Eskilstuna men 30–54 625 461 73.8 461 Postal questionnaire
Men Born in 1943 1993 Gothenburg men 50 1463 798 54.5 798 Questionnaires + medical examination
Public Health Cohort Uppsala 1993 Uppsala women 25- 2999 2249 75.0 1736 Postal questionnaire
Public Health Cohort Uppsala 1993 Uppsala men 25- 3001 2155 71.8 1703 Postal questionnaire
Total      10808 7852 72.6 6887