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Epidemiol Health. 2018;40(1):e2018008. English. Original Article. https://doi.org/10.4178/epih.e2018008
Nematollahi S , Mansournia MA , Foroushani AR , Mahmoodi M , Alavi A , Shekari M , Holakouie-Naieni K .
Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. holakoik@hotmail.com
Department of Gynecology and Obstetrics, School of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
Department of Medical Genetics, School of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
Bandar Abbas Health Research Station, World Health Organization Regional Malaria Training Center, Tehran University of Medical Sciences, Tehran, Iran.
Abstract

OBJECTIVES

Consecutive community health assessments revealed that water-pipe smoking in women and impaired growth in children were among the main health concerns in suburban communities in southern Iran. The aim of the present study was to identify the effects of water-pipe smoking during pregnancy on birth weight.

METHODS

Data from a population-based prospective cohort study of 714 singleton live pregnancies in the suburbs of Bandar Abbas in southern Iran in 2016–2018 were used in this study. Data about water-pipe smoking patterns and birth weight were collected by questionnaires during and after the pregnancy. Low birth weight (LBW) was defined as a birth weight below 2,500 g. Statistical analyses were performed using generalized linear models, and the results were presented in terms of relative risk (RR) and 95% confidence intervals (CI).

RESULTS

Fifty (8.2%) of the study subjects smoked water-pipe. The adjusted risk of LBW increased 2-fold in water-pipe smokers (adjusted RR [aRR], 2.09; 95% CI, 1.18 to 3.71), and by 2.0% for each 1-year increase in the duration of water-pipe smoking (aRR, 1.02; 95% CI, 0.99 to 1.05).

CONCLUSIONS

Our results showed that water-pipe smoking during pregnancy was an important risk factor for LBW in this population sample from southern Iran. The introduction of regulations onto prevent water-pipe smoking and the implementation of community health action plans aiming at empowering women and increasing women's knowledge and awareness regarding the health consequences of water-pipe smoking are proposed.

Copyright © 2019. Korean Association of Medical Journal Editors.