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Why does perceived parenting in adolescence predict maladaptive personality in adulthood? Evidence for substantial genetic mediation

Published online by Cambridge University Press:  19 September 2024

Kelsey A. Hobbs*
Affiliation:
Department of Psychology, University of Minnesota, Minneapolis, MN, USA Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
Sylia Wilson
Affiliation:
Institute of Child Development, University of Minnesota, Minneapolis, MN, USA
Scott I. Vrieze
Affiliation:
Department of Psychology, University of Minnesota, Minneapolis, MN, USA
Glenn I. Roisman
Affiliation:
Institute of Child Development, University of Minnesota, Minneapolis, MN, USA
Matt McGue
Affiliation:
Department of Psychology, University of Minnesota, Minneapolis, MN, USA
Robert F. Krueger
Affiliation:
Department of Psychology, University of Minnesota, Minneapolis, MN, USA
*
Corresponding author: Kelsey A. Hobbs; Email: hobbs145@umn.edu

Abstract

Why is parenting in adolescence predictive of maladaptive personality in adulthood? This study sets out to investigate environmental and genetic factors underlying the association between parenting and maladaptive personality longitudinally in a large sample of twins. The present study addressed this question via a longitudinal study focused on two cohorts of twins assessed on aspects of perceived parenting (parent- and adolescent-reported) at age 14 years (n =1,094 pairs). Participants were followed to adulthood, and maladaptive personality traits were self-reported using the Personality Inventory for DSM-5 (PID-5) at age 24 or 34 years. We then modeled these data using a bivariate biometric model, decomposing parenting-maladaptive personality associations into additive genetic, shared environmental, and nonshared environmental factors. Numerous domains of adolescent-reported parenting predicted adult maladaptive personality. Further, we found evidence for substantial additive genetic (ra ranging from 0.22 to 0.55) and (to a lesser extent) nonshared environmental factors (re ranging from 0.10 to 0.15) that accounted for the association between perceived parenting reported in adolescence and adult personality. Perceived parenting in adolescence and maladaptive personality in adulthood may be related due to some of the same genetic factors contributing to both phenotypes at different developmental periods.

Information

Type
Regular Article
Copyright
© The Author(s), 2024. Published by Cambridge University Press

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