Passive smoking and pregnancy outcome in central Poland

Abstract

1 The present investigation was undertaken to evaluate the effect of environmental tobacco smoke (ETS) on the risk of preterm delivery (PD) and small-for-gestational age (SGA) infants in a female non-smoking population of central Poland.

2 The study group were 1751 women classified as non-smokers in the comprehensive project on 'ocio-economic and environmental risk factors of preterm delivery and small-for-gestational-age babies in cen-tral Poland' conducted on a randomly selected population of 2080 women who gave birth to a child between June 1, 1996 and May 31, 1997. The PD group comprised 95 non-smoking women who delivered before 37 weeks of pregnancy and the SGA group included 111 non-smoking mothers of babies with birthweight below the loth percentile of the standard curves for central Poland. Passive exposure to tobacco smoke was determined based on a structured interview.

3 In the stepwise multiple logistic regression model maternal passive smoke exposure lasting 7 h or more was found to be a significant risk factor for preterm delivery. No significant effect of passive smoking on the risk of SGA was observed.

4 The information about the adverse effects of ETS exposure on pregnancy duration and outcome should be incorporated in the health promotion programmes for women.

Keywords

environmental tobacco smoke (ETS)passive exposure to smoking preterm delivery (PD)small-for-gestational age (SGA) infant

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