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Genetic and environmental influences on longitudinal trajectories of functional biological age: Comparisons across gender
Department of Psychology, Indiana University Southeast, New Albany, United States.
Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology. Jönköping University, School of Health and Welfare, HHJ. ARN-J (Aging Research Network - Jönköping). Department of Psychology, Stockholm University, Stockholm, Sweden.ORCID iD: 0000-0002-1599-0444
Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology.ORCID iD: 0000-0002-8212-823X
2017 (English)In: Behavior Genetics, ISSN 0001-8244, E-ISSN 1573-3297, Vol. 47, no 4, p. 375-382Article in journal (Refereed) Published
Abstract [en]

We used an alternate age variable, functional biological age (fBioAge), which was based on performance on functional body measures. The aim was to examine development of fBioAge across the adult life span, and to also examine potential gender differences and genetic and environmental influences on change with age. We used longitudinal data (n = 740; chronological age (ChronAge) range 45-85 at baseline) from the Swedish Adoption/Twin Study of Aging. The rate of increase in fBioAge was twice as fast after ChronAge 75 than before. fBioAge was higher in women than in men. fBioAge was fairly equally influenced by genetic and environmental factors. Whereas the rate of ChronAge cannot vary across time, gender, or individual, our analyses demonstrate that fBioAge does capture these within and between individual differences in aging, providing advantages for fBioAge in the study of aging effects.

Place, publisher, year, edition, pages
Springer, 2017. Vol. 47, no 4, p. 375-382
Keywords [en]
Chronological age; Functional bioage; Twins
National Category
Gerontology, specialising in Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hj:diva-36047DOI: 10.1007/s10519-017-9851-5ISI: 000403569500001PubMedID: 28551760Scopus ID: 2-s2.0-85019684303Local ID: HHJARNISOAI: oai:DiVA.org:hj-36047DiVA, id: diva2:1108937
Available from: 2017-06-13 Created: 2017-06-13 Last updated: 2018-01-13Bibliographically approved

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Sternäng, OlaWahlin, Åke

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