The Cohort of Swedish Men, COSM

Principal investigator(s):

Karl Michaëlsson - Uppsala University, Department of Surgical Sciences

Abstract:

COSM is a population based cohort of men borned 1918-1952 (45-79 years old) who lived in the counties of Västmanland and Örebro in 1997. 48,860 of these 100,303 men (48.7%) responded and filled in a questionnaire with questions about lifestyle and enviroment such as diet, smoking and alcohol habits, physical activity at work and leisure time, use of diet supplementation and certain medication. There were also questions about subjectively judged health and different diseases and health problems for men only. It was also asked about cronic diseases as cancer (especially in prostate, colon, lungs and kidneys), myocardial infarction, diabetes, osteoporosis, cataract and obesity. In 2008 a new questionnaire with health related questions was sent to all participants, the participation rate was 77%. In 2009 they also got a questionnaire on lyfestyle. 90% of the participants answered. 2010 collection of biomaterials (blood, urine, fat biopsies) and antropometic measures started. More than 5,000 men are expected to have participate in the data collection, by the end of 2017. The questionnaires used

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Contact:

Karl Michaëlsson

Study number:

Principal investigator(s):

Karl Michaëlsson - Uppsala University, Department of Surgical Sciences

Principal organisation:

Purpose:

To study the causes of chronic diseases as cancer, myocardial infarction, diabetes, osteoporosis, cataract and obesity, and also the causes of longer or shorter longevity.

Abstract:

COSM is a population based cohort of men borned 1918-1952 (45-79 years old) who lived in the counties of Västmanland and Örebro in 1997. 48,860 of these 100,303 men (48.7%) responded and filled in a questionnaire with questions about lifestyle and enviroment such as diet, smoking and alcohol habits, physical activity at work and leisure time, use of diet supplementation and certain medication. There were also questions about subjectively judged health and different diseases and health problems for men only. It was also asked about cronic diseases as cancer (especially in prostate, colon, lungs and kidneys), myocardial infarction, diabetes, osteoporosis, cataract and obesity. In 2008 a new questionnaire with health related questions was sent to all participants, the participation rate was 77%. In 2009 they also got a questionnaire on lyfestyle. 90% of the participants answered. 2010 collection of biomaterials (blood, urine, fat biopsies) and antropometic measures started. More than 5,000 men are expected to have participate in the data collection, by the end of 2017. The questionnaires used

... more

Time period(s) investigated:

1997 — ongoing

Collection events:

1997 (Self-administered questionnaire: paper)
2008 (Self-administered questionnaire: paper)
2009 (Self-administered questionnaire: paper)

Geographic location:

Geographic description:

Örebro och Västmanland counties, Sweden

Lowest geographic unit:

County (NUTS3)

Unit of analysis:

Universe/Population:

Men born 1918-1952 in Örebro and Västmanland counties.

Time Method/Study design:

Sampling procedure:

Total universe/Complete enumeration
All men born between 1918 and 1952 and residing in the two counties of Örebro and Västmanland in central Sweden received a questionnaire including about 350 items concerning diet and other lifestyle factors during the years 1997-1998. Of 100,303 eligible men, 48,850 (49%) responded to the questionnaire. A second questionnaire was sent out in 2008-09.

Publications

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Harris H, Håkansson N, Olofsson C, Julin B, Åkesson A, Wolk A. The Swedish Mammography Cohort and the Cohort of Swedish Men: Study design and characteristics of 2 population-based longitudinal cohorts. OA Epidemiology;1(2):16, 2013

Åkesson A, Larsson SC, Discacciati A, Wolk A. Low-Risk Dietary and Lifestyle Practices in Primary Prevention of Myocardial Infarction in Men. J Am Coll Cardiol 64(13):1299-306, 2014.

Stackelberg O, Björck M, Larsson SC, Orsini N, Wolk A. Fruit and vegetable consumption with risk of abdominal aortic aneurysm. Circulation 128(8):795-802, 2013.

Andersson SO, Rashidkhani B, Karlberg L, Wolk A, Johansson JE. Prevalence of Lower urinary tract symptoms in men aged 45-79 years - A population-based study of 40,000 Swedish men. Brit J Urol 2004;94:327-331

Kaluza J, Håkansson N, Brzozowska A, Wolk A. Diet quality and mortality: a population-based prospective study of men. European Journal of Clinical Nutrition (2009); 63:451-457

Larsson SC, Wolk K, Brismar K, Wolk A. Association of diet with serum insulin-like growth factor-I in middle-aged and elderly men. Am J Clin Nutr 2005; 81:1163-67.

If you have published anything based on this study, please send a notification with a reference to your publication(s) to snd@snd.gu.se.

Dataset EXT 0015-001

The Cohort of Swedish Men, COSM 1997

Kind of data:

Collection events:

1997 (Self-administered questionnaire: paper)

Number of individuals/objects:

48850

Response rate:

49%

Dataset EXT 0015-002

The Cohort of Swedish Men, COSM 2008

Kind of data:

Collection events:

2008 (Self-administered questionnaire: paper)

Number of individuals/objects:

29503

Response rate:

78%

Dataset EXT 0015-003

The Cohort of Swedish Men, COSM 2009

Kind of data:

Collection events:

2009 (Self-administered questionnaire: paper)

Number of individuals/objects:

26156

Response rate:

90%