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In Utero exposure to smoking and alcohol, and passive smoking during childhood: effect on the Retinal Nerve Fibre Layer in young adulthood

Citation

Lee, SSY and Mackey, DA and Sanfilippo, PG and Hewitt, AW and Craig, JE, In Utero exposure to smoking and alcohol, and passive smoking during childhood: effect on the Retinal Nerve Fibre Layer in young adulthood, Ophthalmic Epidemiology, 29, (5) pp. 507-514. ISSN 1744-5086 (2022) [Refereed Article]


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DOI: doi:10.1080/09286586.2021.1968005

Abstract

Purpose:In utero exposure to cigarette smoke has been suggested to result in thinner retinal nerve fibre layer (RNFL). However, the potential cofounding effects of in utero alcohol exposure and passive smoking during childhood had not been considered. We explored RNFL thickness in young adults in relation to these early life factors.

Methods: In 1989-1991, pregnant women completed questionnaires on their current smoking and alcohol drinking patterns. Following the birth of their offspring, information on household smokers was obtained between the 1- and 13-year follow-ups. At the 20-year follow-up, these offspring underwent an eye examination including optical coherence tomography imaging of the RNFL.

Results:Participants (n = 1,287) were 19-22 years old at time of eye examination. Most participants (77%) had no in utero exposure to cigarette smoke; 1.3% were initially exposed but not after 18 weeks' gestation, while 21% had continual in utero smoking exposure. Half of the mothers never consumed alcohol or only consumed alcohol once during their pregnancies. After correcting for potential confounders, including in utero alcohel exposure and childhood passive smoking, participants who had continued in utero exposure to >10 cigarettes/day and ≤10 cigarettes/day had thinner RNFLs by 6.6 (95% confidence interval [CI] = 4.4-8.7) and 3.7 Ám (95%[CI] = 2.3-5.5), respectively, than those with no exposure (p < .001). In utero alcohol exposure and childhood passive smoking were not significantly associated with RNFL thickness after accounting for in utero exposure to smoking.

Conclusions: In utero exposure to cigarette smoke is associated with thinner RFNL in young adulthood, independent of other early life environmental factors.

Item Details

Item Type:Refereed Article
Keywords:Maternal smoking; maternal alcohol consumption; passive smoking; retinal nerve fibre layer; the raine study.
Research Division:Biomedical and Clinical Sciences
Research Group:Ophthalmology and optometry
Research Field:Optometry
Objective Division:Health
Objective Group:Clinical health
Objective Field:Prevention of human diseases and conditions
UTAS Author:Mackey, DA (Professor David Mackey)
UTAS Author:Hewitt, AW (Professor Alex Hewitt)
ID Code:155605
Year Published:2022
Web of Science® Times Cited:1
Deposited By:Menzies Institute for Medical Research
Deposited On:2023-03-02
Last Modified:2023-03-02
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