British journal of obstetrics and gynaecology · 1992
Passive maternal smoking and birthweight in a south Indian population.
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Mathai M, Vijayasri R, Babu S, Jeyaseelan L
Аннотация
OBJECTIVE: To determine the effects of passive maternal smoking on birthweight.
DESIGN: Cohort of consecutive singleton live births.
SETTING: Teaching hospital in South India.
SUBJECTS: 994 infants and their mothers.
MAIN OUTCOME MEASURE: Birthweight.
RESULTS: All the women were themselves non-smokers; 520 (52%) were passive smokers while the remainder were not exposed to tobacco smoke. Infants born to passive smokers were on the average 55 g lighter than those born to non-smokers. Passive smoking was associated with a decrease in birthweight of 63 g (95% CI 12-114 g) even after adjusting for other variables known to affect birthweight.
DESIGN: Cohort of consecutive singleton live births.
SETTING: Teaching hospital in South India.
SUBJECTS: 994 infants and their mothers.
MAIN OUTCOME MEASURE: Birthweight.
RESULTS: All the women were themselves non-smokers; 520 (52%) were passive smokers while the remainder were not exposed to tobacco smoke. Infants born to passive smokers were on the average 55 g lighter than those born to non-smokers. Passive smoking was associated with a decrease in birthweight of 63 g (95% CI 12-114 g) even after adjusting for other variables known to affect birthweight.