Personal goals of older female twins: genetic and environmental effects

Katariina Salmela-Aro, Sanna Read, Jari-Erik Nurmi, Markku Koskenvuo, Jaakko Kaprio, Taina Rantanen

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Sammanfattning

This study examined genetic and environmental influences on older women's personal goals by using data from the Finnish Twin Study on Aging. The interview for the personal goals was completed by 67 monozygotic (MZ) pairs and 75 dizygotic (DZ) pairs. The tetrachoric correlations for personal goals related to health and functioning, close relationships, and independent living were higher in MZ than DZ twins, indicating possible genetic influence. The pattern of tetrachoric correlations for personal goals related to cultural activities, care of others, and physical exercise indicated environmental influence. For goals concerning health and functioning, independent living, and close relationships, additive genetic effect accounted for about half of the individual variation. The rest was the result of a unique environmental effect. Goals concerning physical exercise and care of others showed moderate common environmental effect, while the rest of the variance was the result of a unique environmental effect. Personal goals concerning cultural activities showed unique environmental effects only.
Originalspråkengelska
TidskriftEuropean Psychologist
Volym14
Utgåva2
Sidor (från-till)160-167
Antal sidor8
ISSN1016-9040
DOI
StatusPublicerad - 2009
MoE-publikationstypA1 Tidskriftsartikel-refererad

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