Individual Study / SMC

Swedish Mammography Cohort

Swedish Mammography Cohort

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Networks -
Datasets -
Variables -
Start Year
1987
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Members

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Investigators Contacts
  • Prof. Karl Michaëlsson
    Uppsala University
  • Prof. Karl Michaëlsson
    Uppsala University
  • Dr. Anna-Karin Kolseth
    Uppsala University

Design

Study design
Cohort
Follow Up
After baseline, participants were followed-up three times for updated exposure information, in 1997, 2008 and 2009.
Information on health status is updated every year by linkage to registries.
Supplementary Information

Marker Paper

Harris H, Håkansson N, Olofsson C, Stackelberg O, Julin B, Åkesson A, et al. The Swedish mammography cohort and the cohort of Swedish men: study design and characteristics of two population-based longitudinal cohorts. OA Epidemiology 2013 Oct 01;1(2):16.

Recruitment

Sources of Recruitment
  • Individuals

Number of participants

Number of participants
66,651
Number of participants with biosamples
14,904
Supplementary Information
Saliva sample: 8744 participants
Clinical subcohort samples (Cycle 1): 6231 participants
Clinical subcohort samples (Cycle 2): ~400 (June 2016; ongoing)

Access

Availability of data and biosamples

Possible Access to Data
Possible Access to Biosamples
Other

Timeline

SMC population

Selection Criteria
Gender
women
Minimum age
39
Maximum age
76
Newborns
Twins
Countries
  • Sweden
Territory
Uppsala and Västmanland Counties (central Sweden)
Ethnic Origin
Health Status

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample

Number of participants

Number of participants
66,651
Number of participants with biosamples
14,904
Supplementary Information
1987: 66 651 participants
1997: 39 227 participants
2008: 30 621 participants
2009: 25 332 participants
Saliva sample: 8744 participants
Clinical subcohort samples (Cycle 1): 6,231 participants
Clinical subcohort samples (Cycle 2): ~400 participants (June 2016; ongoing)
Data Collection Events
# Name Description Start End
0 SMC - 1987 (baseline) 1987-03 1990-12
1 SMC - Registries 1987-03 2016-12
2 SMC - 1997 (2nd follow-up) 1997-09 1997-12
3 SMC - Clinical exmination (Cycle 1, recruitment 1) 2003-09 2009-09
4 SMC - Saliva 2005-01 2008-12
5 SMC - 2008 (3rd (a) follow-up) 2008-09 2008-12
6 SMC - 2009 (3rd (b) follow-up) 2009-04 2009-12
7 SMC - Clinical examination (Cycle 1, recruitment 2) 2010-04 2015-09
8 SMC - Clinical examination (Cycle 2) 2015-10 2016-12