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Perceived stress in adults aged 65 to 90: Relations to facets of time perspective and COMT Val158Met polymorphism
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry.
Umeå University, Faculty of Social Sciences, Department of Psychology.
2018 (English)In: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 9, article id 378Article in journal (Refereed) Published
Abstract [en]

This study examined the relation between perceived stress and time perspective (views of past, present, future) in a population-based sample of older adults (65-90 years, N = 340). The Perceived Questionnaire (PSQ index) was used to measure stress and the Swedish version of the Zimbardo Time Perspective Inventory (S-ZTPI) was used to operationalize time perspective. Unlike the original inventory, S-ZTPI separates positive and negative aspects of a future time perspective and we hypothesized that the Future Negative (FN) scale would be important to account for variations in stress. Additionally, associations with Catechol-O-methyltransferase (COMT) Val(158)Met polymorphism were examined, motivated by prior associations of this single nucleotide polymorphism (SNP) with stress (or "anxiety") related personality traits. In line with the hypotheses, FN was the strongest predictor of PSQ index scores in multiple regression analyses. In a related vein, the dichotomization of the unitary Future scale increased the association between PSQ scores and a measure of deviations from a balanced time perspective, i.e., the difference between a proposed optimal and observed ZTPI profile. Finally, higher levels of stress as well as higher scores on FN were observed in COMT Val/Val carriers, at least among men. This suggests a shared dopaminergic genetic influence on these variables. Collectively, the results demonstrate that perceived stress is closely linked to time perspective and highlight the need to take negative aspects of a future temporal orientation into account to understand this relation.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2018. Vol. 9, article id 378
Keywords [en]
perceived stress,  time perspective,  Catechol-O-Methyltransferase,  older adults,  Val(158)Met polymorphsim
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-145694DOI: 10.3389/fpsyg.2018.00378ISI: 000428077500002PubMedID: 29623060OAI: oai:DiVA.org:umu-145694DiVA, id: diva2:1190398
Available from: 2018-03-14 Created: 2018-03-14 Last updated: 2018-08-07Bibliographically approved

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Rönnlund, MichaelÅström, ElisabethAdolfsson, RolfCarelli, Maria Grazia

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