Swedish Mammography Cohort

Overview

Acronym
SMC
Website
SMC
Investigators
  • Prof. Karl Michaëlsson

    Uppsala University

Contacts
  • Prof. Karl Michaëlsson

    Uppsala University

  • Dr. Anna-Karin Kolseth

    Uppsala University

General Design

Study design
Cohort
Start Year
1987
General Information on Follow Up (profile, frequency)
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.
Recruitment Target
  • Individuals
Number of Participants
66,651
Number of Participants with Biological Samples
14,904
Supplementary information about number of participants
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

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.

Timeline

Population

SMC population

Selection Criteria

Gender
Women only
Minimum age
39
Maximum age
76
Countries
  • Sweden
Territory
Uppsala and Västmanland Counties (central Sweden)

Sources of Recruitment

General Population
  • Selected sample
Supplementary Information
All women born between 1914 and 1948 were invited to participate.

Sample Size

Number of Participants
66,651
Number of Participants with Biological Samples
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 (March) 1990 (December)
1 SMC - Registries 1987 (March) 2016 (December)
2 SMC - 1997 (2nd follow-up) 1997 (September) 1997 (December)
3 SMC - Clinical exmination (Cycle 1, recruitment 1) 2003 (September) 2009 (September)
4 SMC - Saliva 2005 (January) 2008 (December)
5 SMC - 2008 (3rd (a) follow-up) 2008 (September) 2008 (December)
6 SMC - 2009 (3rd (b) follow-up) 2009 (April) 2009 (December)
7 SMC - Clinical examination (Cycle 1, recruitment 2) 2010 (April) 2015 (September)
8 SMC - Clinical examination (Cycle 2) 2015 (October) 2016 (December)

Individual Studies Included

Acronym Name Study design Participants Countries

Harmonization Projects Included

Acronym Name

Networks

Acronym Name Studies

Datasets

Name Type Data Collection Events Variables
Last Update: 2020-05-04 16:05