Widowhood and the Stability of Late Life Depressive Symptomatology in the Swedish Adoption Twin Study of Aging

Although the Swedish Adoption Twin of Aging (SATSA) has been used to investigate phenotypic stability of late life depressive symptoms, the biometric processes underlying this stability have not been studied. Under a reciprocal effects modeling framework, we used SATSA twins’ Center for Epidemiologi...

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Veröffentlicht in:Behavior genetics 2016-01, Vol.46 (1), p.100-113
Hauptverfasser: Beam, Christopher R., Emery, Robert E., Reynolds, Chandra A., Gatz, Margaret, Turkheimer, Eric, Pedersen, Nancy L.
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container_issue 1
container_start_page 100
container_title Behavior genetics
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creator Beam, Christopher R.
Emery, Robert E.
Reynolds, Chandra A.
Gatz, Margaret
Turkheimer, Eric
Pedersen, Nancy L.
description Although the Swedish Adoption Twin of Aging (SATSA) has been used to investigate phenotypic stability of late life depressive symptoms, the biometric processes underlying this stability have not been studied. Under a reciprocal effects modeling framework, we used SATSA twins’ Center for Epidemiologic Studies Depression (CES-D) Scale data across 5 waves (from 1987–2007) to test whether the reciprocal exchange between twins within a family and their nonshared environments (PE) promote the accumulation of gene-environment correlation ( r GE) over time. The model generates increasing r GE that produces subsequent stable environmental differences between twins within a family—a process hypothesized to explain stability in chronic late life depressive symptoms. Widowhood is included as a stressful life experience that may introduce an additional nonshared source of variability in CES-D scores. Genetic effects and nonshared environmental effects are primary sources of stability of late life depressive symptoms without evidence of underlying r GE processes. Additionally, widowhood explained stable differences in CES-D scores between twins within a family up to 3 years after spousal loss.
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subjects Accumulation
Adoption
Adults
Aged
Aged, 80 and over
Aging
Aging - genetics
Aging - psychology
Behavioral Science and Psychology
Biometrics
Clinical Psychology
Depression
Depression - genetics
Depression - psychology
Depressive Disorder
Environmental aspects
Environmental effects
Female
Gene-Environment Interaction
Health Psychology
Humans
Life Change Events
Longitudinal Studies
Male
Marital status
Medicin och hälsovetenskap
Mental depression
Middle Aged
Older people
Original Research
Psychology
Public Health
Social Environment
Studies
Surveys and Questionnaires
Sweden
Systematic review
Twins
Twins - genetics
Variability
Widowhood
Widowhood - psychology
title Widowhood and the Stability of Late Life Depressive Symptomatology in the Swedish Adoption Twin Study of Aging
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