Origin of Variances in the Oldest-Old: Octogenarian Twins (OCTO-Twin) Wave 3
Is part of collection at SND: NEAR - National E-Infrastructure for Aging Research in Sweden
Access to data via
Linda Hassing - University of Gothenburg, Department of Psychology
University of Gothenburg - Department of Psychology
In wave 3, 144 twin pairs participated, with a total of 430 individuals.
Refer to the description of wave 1/the base line and the individual datasets in the NEAR portal for more details on variable groups and individual variables.
Data contains personal data
Sensitive personal data
Type of personal data
Pseudonymised data related to mental and physical health, as well as socio-demographics and social relationships
Code key exists
Unit of analysis
Twin pairs from the Swedish Twin Registry who were born 1913 or earlier and were at the age of 80 years at baseline.
Cohort study: Prospective
Description of study design
Time period(s) investigated
1991 – 2002
Number of individuals/objects
Data format / data structure
- Mode of collection: Measurements and tests
- Description of the mode of collection: The participants were examined in their home settings by registered nurses. The participants also answered a number of self-administered surveys.
- Time period(s) for data collection: 1995-04 – 1998-05
- Data collector: University of Gothenburg
- Sample size: 430
- Source of the data: Registers/Records/Accounts: Medical/Clinical, Registers/Records/Accounts
Geographic location: Sweden
Department of Psychology
Other - Ref. S-005011-50
Approval of Assurance to Comply with 45 CFR 46. Public Health Service, National Institutes of Health, USA. Office for Protection from Research Risks. July 20, 1999. Accepted by the ethical committee of the Karolinska Institute
Gerontology, specialising in medical and health sciences (Standard för svensk indelning av forskningsämnen 2011)
Psychology (Standard för svensk indelning av forskningsämnen 2011)
Activities of daily living, Aged, 80 and over, Epidemiologic studies, Dementia, Life style, Geriatrics, Memory, Longitudinal studies, Neuropsychological tests, Socioeconomic factors, Body mass index, Genes, Cognition, Environment, Depression, Personality, Mental health, Registries, Diabetes mellitus, type 2, Heredity, Quality of life, Twin study, Aging, Apolipoproteins e, Memory disorders, Nerve degeneration, Wechsler scales, Degenerative disease of nervous system unspecified, Mental status and dementia tests, Wechsler memory scale, Apoe genotype, Functional status, Memory function, Social interaction, Near - national e-infrastructure for aging research, Functional ability, Social life
Cadar, D., Piccinin, A. M., Hofer, S. M., Johansson, B., & Muniz-Terrera, G. (2016). Education, occupational class, and cognitive decline in preclinical dementia. In GeroPsych: The Journal of Gerontopsychology and Geriatric Psychiatry (Vol. 29, Issue 1, pp. 5–15).
Berg, A. I. (2008). Life satisfaction in late life: Markers and predictors of level and change among 80+ year olds [Doctoral thesis]. Department of Psychology, University of Gothenburg.
Wikby, A., Ferguson, G. F., Forsey, R., Thompson, J., Strindhall, J., Löfgren, S., Nilsson, B.-O., Ernerudh, J., Pawelec, G., & Johansson, B. (2005). An immune risk phenotype, cognitive impairment and survival in very late life: The impact of alostatic load in Swedish Octo- and Nongenarian humans. In The Journals of Gerontology: Series A, Volume 60, Issue 5 (pp. 556–565).
McClearn, G. E., Johansson, B., Berg, S., Pedersen, N. L., Ahern, F., Petrill, S. A., et al. (1997). Substantial genetic influence on cognitive abilities in twins 80 or more years old. Science, 276, 1560-1563.
Hassing, L. (2020). Gender Differences in the Association Between Leisure Activity in Adulthood and Cognitive Function in Old Age: A Prospective Longitudinal Population-Based Study. In The journals of gerontology. Series B, Psychological sciences and social sciences (Vol. 75, Issue 1, pp. 11-20).
Johansson, B., Johansson, B., McClearn, G., & Pedersen, N. (2003). Health, biobehavioral functioning, and personality in the oldest-old: The Swedish OCTO-Twin Study. Presented at the 56th Annual Scientific Meeting of the Gerontological Society of America, San Diego. In GERONTOLOGIST (Vol. 43, Special Issue 1, p. 507).
Yoneda, T., Rush, J., Berg, A. I., Johansson, B., & Piccinin, A. (2017). Trajectories of Personality Traits Preceding Dementia Diagnosis. In The journals of gerontology. Series B, Psychological sciences and social sciences (Vol. 72, Issue 6, pp. 922–931).
Hofer, S. M., Johansson, B., Berg, S., Pedersen, N. L., & McClearn, G. E. (2001). Changes in Cognitive Functioning in the Oldest-Old Twins : The Octo-Twin Study. Presented at the 54th Annual Scientific Meeting of the Gerontological Society of America, Chicago. In GERONTOLOGIST (Vol. 41, Special Issue 1, p. ?).
Nilsson, B.-O., Ernerudh, J., Johansson, B., Evring, P.-E., Löfgren, S., Ferguson, F. G., & Wikby, A. (2003). Morbidity does not influence the T-cell immune risk phenotype in the elderly : Findings in the Swedish NONA Immune Study using sample selection protocols. In Mechanisms of Ageing and Development (Vol. 124, Issue 4, pp. 469–476). https://doi.org/10.1016/S0047-6374(03)00024-1
If you have published anything based on these data, please notify us with a reference to your publication(s). If you are responsible for the catalogue entry, you can update the metadata/data description in DORIS.