Cited by 8Child and Adolescent Psychosocial and Emotional DevelopmentGenetic Associations and EpidemiologyMental Health Research Topics

Genetic and environmental effects on the development of depressive symptoms from adolescence to adulthood in a nationally representative sample

Ksinan, Albert J., Vazsonyi, Alexander T.·2019·Journal of Affective Disorders

Abstract

Background Previous research has shown substantial heritability for depressive symptoms, yet, there are few genetically-informed studies which focused on developmental changes. The current study sought to model prototypical developmental trajectories of depressive symptoms from adolescence to adulthood and to elucidate genetic and environmental contributions to these changes.Methods The Add Health data set, a nationally representative sample of adolescents, was used. For the genetically-informed analyses, a subsample of N = 531 same-sex monozygotic and dizygotic male and female twin pairs was selected. Longitudinal development was modeled separately for two waves in early adolescence and for four waves from middle adolescence to young adulthood using a latent growth model (LGM). Both models were extended to twin models to estimate the effects of heritability and the environment.Results The rates of depressive symptoms peaked in mid-adolescence and then sharply declined as individuals moved from adolescence to young adulthood, leveling off in the twenties. The effects of the shared environment were substantial among early adolescents, but negligible for middle-to-late adolescents. An opposite pattern was found for heritability. The largest proportion of developmental changes was driven by nonshared environmental effects.Limitations The study only used same-sex twins as there exist mixed findings regarding the possibility of qualitative or quantitative genetic effects.Conclusions The salience of unique experiences and, to a lesser extent, heritable factors in affecting developmental changes in depressive symptoms underscore the need for targeting environments that place individuals with genetic predisposition at double the risk for the development of depression.

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Crossref · 10.1016/j.jad.2018.10.085

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Authors
Ksinan, A. J., & Vazsonyi, A. T.
Affiliations
University of Kentucky (US)
Corresponding author
Ksinan, Albert J.
Venue
Journal of Affective Disorders
Publisher
Elsevier BV
Published
2019-02
Volume
245
Pages
163-173
ISSN
0165-0327 (ISSN-L)
OpenAlex
W2897925712
Cited by
8
References
51
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2021: 2 · 2020: 1
FWCI
0.88
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Affective Disorders (publishedVersion)
  • PubMed (publishedVersion)
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01-HD31921)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Mental Health Research Topics
Keywords
depressive symptoms, developmental trajectories, adolescence, early adulthood, heritability, nonshared environment, shared environment, monozygotic and dizygotic twins, Add Health, genetic predisposition to depression, environmental risk
MeSH terms
Adolescent, Depression, Depressive Disorder, Diseases in Twins, Female, Humans, Longitudinal Studies, Male, Twins, Twins, Dizygotic, Twins, Monozygotic, Genetic Predisposition to Disease, Gene-Environment Interaction

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