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Take your mind off it: Coping style, serotonin transporter linked polymorphic region genotype (5-HTTLPR), and children's internalizing and externalizing problems

Published online by Cambridge University Press:  06 October 2015

Jessie I. Cline ,
Jay Belsky ,
Zhi Li ,
Edward Melhuish ,
Laura Lysenko ,
Tara McFarquhar ,
Suzanne Stevens  and
Sara R. Jaffee
Jessie I. Cline
Affiliation:
University of Pennsylvania
Jay Belsky
Affiliation:
University of California, Davis
Zhi Li
Affiliation:
University of California, Davis
Edward Melhuish
Affiliation:
University of London Oxford University
Laura Lysenko
Affiliation:
King's College London
Tara McFarquhar
Affiliation:
University College London Anna Freud Centre
Suzanne Stevens
Affiliation:
University of Auckland
Sara R. Jaffee*
Affiliation:
University of Pennsylvania
*
Address correspondence and reprint requests to: Sara R. Jaffee, University of Pennsylvania, 3720 Walnut Street, Philadelphia, PA 19104; E-mail: srjaffee@psych.upenn.edu.
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Abstract

Individuals with the short variant of the serotonin transporter linked polymorphic region gene are more susceptible than individuals homozygous for the long allele to the effects of stressful life events on risk for internalizing and externalizing problems. We tested whether individual differences in coping style explained this increased risk for problem behavior among youth who were at both genetic and environmental risk. Participants included 279 children, ages 8–11, from the Children's Experiences and Development Study. Caregivers and teachers reported on children's internalizing and externalizing symptoms, and caregivers and children on children's exposure to harsh parenting and parental warmth in middle childhood, and traumatic events. Children reported how frequently they used various coping strategies. Results revealed that short/short homozygotes had higher levels of internalizing problems compared with long allele carriers and that short allele carriers had higher levels of externalizing problems compared with long/long homozygotes under conditions of high cumulative risk. Moreover, among children who were homozygous for the short allele, those who had more cumulative risk indicators less frequently used distraction coping strategies, which partly explained why they had higher levels of internalizing problems. Coping strategies did not significantly mediate Gene × Environment effects on externalizing symptoms.

Type
Special Section Articles
Information
Development and Psychopathology , Volume 27 , Issue 4pt1 , November 2015 , pp. 1129 - 1143
Copyright
Copyright © Cambridge University Press 2015 

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