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The role of prenatal maternal stress in the development of childhood anxiety symptomatology: The QF2011 Queensland Flood Study

Published online by Cambridge University Press:  02 August 2018

Mia A. McLean ,
Vanessa E. Cobham ,
Gabrielle Simcock ,
Guillaume Elgbeili ,
Sue Kildea  and
Suzanne King
Mia A. McLean
Affiliation:
Mater Research Institute University of Queensland
Vanessa E. Cobham
Affiliation:
Mater Research Institute University of Queensland
Gabrielle Simcock
Affiliation:
Mater Research Institute University of Queensland
Guillaume Elgbeili
Affiliation:
Douglas Mental Health University Institute
Sue Kildea
Affiliation:
Mater Research Institute University of Queensland
Suzanne King*
Affiliation:
Douglas Mental Health University Institute McGill University
*
Address correspondence and reprint requests to: Suzanne King, Professor of Psychiatry, McGill University, Principal Investigator, Douglas Mental Health University Institute, Verdun, Quebec, H4H 1R3, Canada; E-mail: [email protected].
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Abstract

It is possible that findings suggesting a link between prenatal maternal stress (PNMS) and anxiety symptoms in offspring are confounded by postnatal and/or shared mother–child heritability effects. Following exposure to a natural disaster, the Queensland Flood Study investigated the unique and additive effects of various types of disaster-related PNMS (objective hardship, cognitive appraisal, and subjective distress) on childhood anxiety symptomatology (internalizing and/or anxiety symptom measures). Timing of flood exposure during pregnancy and child sex were examined as potential moderators. After controlling for maternal psychosocial factors, greater objective hardship as a result of the floods was significantly associated with greater anxiety symptoms (N = 114) and marginally associated with greater internalizing behaviors (N = 115). Earlier timing of the flood in pregnancy was associated with greater anxiety symptoms. No such associations were found between any PNMS measure and teacher-rated child internalizing behaviors (N = 90). Sex and timing did not moderate associations. Our findings suggest that, in isolation, increased maternal hardship due to exposure to an independent stressor, during pregnancy, may have a programming effect on childhood anxiety symptoms.

Type
Special Issue Articles
Information
Development and Psychopathology , Volume 30 , Special Issue 3: Developmental Origins of Psychopathology: Mechanisms, Processes, and Pathways Linking the Prenatal Environment to Postnatal Outcomes , August 2018 , pp. 995 - 1007
Copyright
Copyright © Cambridge University Press 2018 

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Footnotes

Many thanks to the QF2011 families for their participation in this study, and members of the QF2011 team, notably, Helen Stapleton, Laura Shoo, Donna Amaraddio, Ash-lee Heather, and Stacey Lynch.

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