Danish 1905 Cohort Study (DCS-1905)

GENERAL
Year
1998
Country
Denmark
STUDY DETAILS
Waves

4 Waves: 1998-2005

Wave 1: 1998
Wave 2: 2000
Wave 3: 2003
Wave 4: 2005

Sample size

Wave 1: 2.262 (1.653 with biological samples)
Wave 2: 1.086
Wave 3: 437
Wave 4: 256

Sample population

92+

Sample residence

92+

Survey mode

Quantitative, interview, Proxy information, population-based registers

Longitudinal or cross-section study

Longitudinal (W1-3) and Cross-sectional (W4)

The first wave took place in 1998 and participants were followed-up in 2000 and 2003.

In 2005 all the surviving birth cohort members were invited to participate irrespective of previous participation.

Data sources

Cognitive and physical performance tests and collection of DNA

Main topics

The data focus on elderly’s physical and cognitive functioning

Goals

The overall goal of the study was to establish a genetic-epidemiological database to shed light on the aging process among the extremely old

Scientific domain

Medicine

Age studies subcategories
Cohort study (1905)
INSTITUTION
Institution
Contact

Prof. Kaare Christensen, MDSc

kchristensen@health.sdu.dk

LINKS / PUBLICATIONS
Links

https://www.icpsr.umich.edu/web/NACDA/studies/3960

Publications

Nybo, H., Gaist, D., Jeune, B., Bathum, L., McGue, M., Vaupel, J.W., & Christensen, K. (2001). The Danish 1905 cohort: a genetic-epidemiological nationwide survey. Journal of Aging and Health, 13(1), 32-46.

Rasmussen, S.H., Andersen-Ranberg, K., Thinggaard, M., Jeune, B., Skytthe, A., Christiansen, L., Vaupel, J.W., McGue, M., Christensen, K. (2017). Cohort Profile: The 1895, 1905, 1910 and 1915 Danish Birth Cohort Studies – secular trends in the health and functioning of the very old. International Journal of Epidemiology, 46(6), 1746-1746j. doi: 10.1093/ije/dyx053. PMID: 28449061; PMCID: PMC5837237.