Cohorts and subcohorts in SIMPLER

In the left menu you find more detailed infromation on each cohort and their variables:

  • SMC, Swedish Mammography Cohort
  • COSM, Cohort of Swedish Men
  • SMCC, Swedish Mammography Cohort Clinical
  • COSMC, Cohort of Swedish Men Clinical

SMC and COSM are based on food frequency quastionaires including questions on health and life style. The clinical cohorts are subcohorts of SMC and COSM  with clinical data and biological samples.

A description of the cohorts is publised by Harris et al. in 2013, The Swedish mammography cohort and the cohort of Swedish men: study design and characteristics of two population-based longitudinal cohorts.

Participants SMC and COSM
Questionnaire SMC COSM
1987 61 433
1997 38 984 45 906
2008 Health questionnaire 30 621 29 503
2009 Lifestyle questionnaire 25 332 26 156
2019 Health questionnaire 19 081 18 901
2019 Lifestyle questionnaire 14 922 16 166

Participants in the clinical cohorts
Cycle SMCC Uppsala SMCC Västerås COSMC
1 5 037 2 627 4 750
2 1 232

Number of cases of death and different diseases after cohort entry
SMC, 1987-2017 COSM, 1997-2017 SUM
Death 25 766 18 558 44 324
Cancer 14 442 11 813 26 255
CVD 39 373 30 827 70 200
IHD 11 959 13 306 25 265
Ami 6 676 8 097 14 773
Stroke 8 725 7 210 15 935
Heart failure 10 435 8 166 18 601
Diabetes 9 689 8 461 18 150
Fracture, all 22 959 11 609 34 568
Hip fracture 7 082 2 642 9 724
Cataract extraction 16 656 9 464 26 120