Parental smoking and young adult offspring psychosis, depression and anxiety disorders and substance use disorder

Sarala, Marian; Mustonen, Antti; Alakokkare, Anni-Emilia; Salom, Caroline; Miettunen, Jouko; Niemelä, Solja (2022-01-29)
 
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https://doi.org/10.1093/eurpub/ckac004

Sarala, Marian
Mustonen, Antti
Alakokkare, Anni-Emilia
Salom, Caroline
Miettunen, Jouko
Niemelä, Solja
Oxford University Press
29.01.2022

Marian Sarala, Antti Mustonen, Anni-Emilia Alakokkare, Caroline Salom, Jouko Miettunen, Solja Niemelä, Parental smoking and young adult offspring psychosis, depression and anxiety disorders and substance use disorder, European Journal of Public Health, Volume 32, Issue 2, April 2022, Pages 254–260, https://doi.org/10.1093/eurpub/ckac004

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© The Author(s) 2022. Published by Oxford University Press on behalf of the European Public Health Association. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
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doi:https://doi.org/10.1093/eurpub/ckac004
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Abstract

Background: To study the associations between maternal smoking during pregnancy and paternal smoking before pregnancy and adult offspring psychiatric disorders.

Methods: Prospective general population cohort study in Northern Finland, with people from the Northern Finland Birth Cohort 1986: 7259 subjects (77% of the original sample). Data on parental smoking were collected from parents during pregnancy using questionnaires. Outcomes were offspring’s register-based diagnoses: any psychiatric disorder, any non-organic psychosis, mood disorder, anxiety disorder and substance use disorder (SUD) until the age of 29–30 years. Maternal smoking during pregnancy and paternal smoking before pregnancy were pooled to three-class variables: (i) none; (ii) 1–9 and (iii) ≥10 cigarettes/day. Information regarding both parents’ alcohol use during pregnancy and at offspring age 15–16 years, maternal education level, family structure, parental psychiatric diagnoses and offspring gender, smoking, intoxication frequency and illicit substance use at the age of 15–16 years were investigated as covariates.

Results: In the multivariable analyses, maternal smoking during pregnancy did not associate with the studied outcomes after adjusting for offspring smoking and other substance use at offspring age 15–16 years and parental psychiatric disorders. However, paternal smoking ≥10 cigarettes/day before pregnancy [hazard ratio (HR) = 5.5, 95% confidence interval (CI) 2.7–11.2, P < 0.001] and paternal psychiatric disorders (HR = 1.7, 95% CI 1.1–2.8, P = 0.028) associated with offspring SUD after adjustments.

Conclusions: Information across the offspring life course is essential in exploring the association between parental smoking and offspring psychiatric disorders. Paternal smoking before pregnancy and paternal psychiatric disorders may act as modifiers in elevating the risk of substance-use-related problems among offspring.

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