Volume 110, Issue 2 pp. 248-257
Research Report

Familial factors associated with development of alcohol and mental health comorbidity

Caroline L. Salom

Corresponding Author

Caroline L. Salom

School of Population Health, The University of Queensland, Herston, Australia

Correspondence to: Caroline Salom, School of Population Health, University of Queensland, Herston Road, Herston, Queensland 4006, Australia. E-mail: [email protected]Search for more papers by this author
Gail M. Williams

Gail M. Williams

School of Population Health, The University of Queensland, Herston, Australia

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Jake M. Najman

Jake M. Najman

School of Population Health, The University of Queensland, Herston, Australia

School of Social Science, University of Queensland, Herston, Australia

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Rosa Alati

Rosa Alati

School of Population Health, The University of Queensland, Herston, Australia

Centre for Youth Substance Abuse Research, The University of Queensland, Herston, Australia

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First published: 29 August 2014
Citations: 17

Abstract

Background and Aims

Co-occurring mental health and alcohol problems appear to be associated with greater health burdens than either single disorder. This study compares familial and individual contributions to development of comorbid alcohol/mental problems and tests whether these differ from single disorders.

Design

Women (n = 6703) were recruited during pregnancy to the longitudinal Mater-University of Queensland Study of Pregnancy (MUSP). Mother/offspring dyads were followed over 21 years.

Setting

Mater-Misericordiae Public Hospital, Brisbane, Australia.

Participants

Primary offspring from the MUSP with full psychiatric information at 21 years and maternal information at age 14 (n = 1755).

Measurements

Structured interviews at age 21 yielded a four-category outcome using mental health and alcohol modules of the Composite International Diagnostic Interview (no disorder, alcohol only, mental health only and comorbid alcohol/mental health). Multinomial logistic regression models were adjusted for gender, maternal mental health and substance use, family environment and adolescent behaviour.

Findings

Maternal smoking [odds ratio (OR) = 1.56; 95% confidence interval (CI) = 1.09–2.22 versus no-disorder] and low mother–offspring warmth (OR = 3.19; 95% CI = 1.99–5.13) were associated with mental health/alcohol comorbidity in young adults, as were adolescent drinking (OR = 2.22; 95% CI = 1.25–3.96), smoking (OR = 2.24; 95% CI = 1.33–3.77) and attention/thought problems (OR = 2.04; 95% CI = 1.18–3.52). Some differences were seen from single disorders. In a subsample with paternal data, fathers' drinking problems (OR = 2.41; 95% CI = 1.10–5.29) were more associated strongly with offspring mental health/alcohol comorbidity than both single disorders (P < 0.05).

Conclusions

Maternal smoking and low mother–child warmth appear to be related to alcohol, mental health and comorbid disorders at age 21, possibly via constituent alcohol and mental health disorders. Adolescent drinking and attention/thought problems appear to be associated with comorbid disorders but not with individual alcohol and mental health disorders.

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