Individual Study / OCTO-Twin

Study of Origins of Variance in the Old-Old

Study of Origins of Variance in the Old-Old

OCTO-Twin logo
Initiatives -
To study the rate of decline prior to death with a special focus on the role of education and socioeconomic position, in two European longitudinal studies of ageing: the Origins of Variance in the Old-Old (80-90 years). Of primary interest is the importance of genetic and environmental factors contributing to continued well-being, health, and functional capacity in this unique material.
Start Year
1991
End Year
2002
Funding
NIH(NIA)
Supplementary Information
https://www.maelstrom-research.org/mica/individual-study/octo-twin
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Members

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Investigators Contacts
  • Dr. Prof. Boo Johansson
    University of Gothenburg

Design

Study design
Population cohort
Follow Up
5 waves of data collection at 2 year intervals(8years follow up).

Marker Paper

Cadar, D, Stephan, BCM, Jagger, C, Johansson, B, Hofer, SM, Piccinin, AM & Muniz-Terrera, G 2015, 'The role of cognitive reserve on terminal decline: A cross-cohort analysis from two European studies: OCTOTwin, Sweden, and Newcastle 85+, UK', International Journal of Geriatric Psychiatry, vol. 31, no. 6, pp. 601- 610. https://doi.org/10.1002/gps.4366

PUBMED 26471722

Recruitment

Sources of Recruitment
  • Families

Number of participants

Number of participants
702
Number of participants with biosamples
552

Access

Availability of data and biosamples

Data
Biosamples
Other

Availability of access information

By contacting the study representative