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1Department of Epidemiology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
2Department of Social Medicine and Environmental Research Center, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
3Department of Operation Room, School of Paramedical Sciences, Bushehr University of Medical Sciences, Bushehr, Iran
4Department of Gynecology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
5Social Determinants of Health Research Center, Social Medicine Department, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
©2016, Korean Society of Epidemiology
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The logistic regression model controlled for the following variables: sex of the child (male, female), gestational age (weeks), underlying disease in the mother (yes/no), medication use during pregnancy (yes/no), body mass index, iron supplementation during pregnancy (yes/no), type of delivery (normal, caesarean), and kind of pregnancy (wanted, unwanted).
OR, odds ratio; CI, confidence interval; ROC, receiver operating characteristic.