The effect of quitting water pipe during pregnancy on anthropometric measurements at birth: a population-based prospective cohort study in the south of Iran

Table 2 Adjusted effects of quitting water pipe smoking on infant anthropometric measures

Water pipe pattern	Birthweight ^a			Birth length ^b			Birth head circumference^c
Water pipe pattern	β	95%CI	p	β	95%CI	p		95%CI	p
Non- smoker	Reference			Reference			Reference
Always smoker	-137.13	-262.21,-12.05	0.032	−0.23	−0.87, 0.41	0.481	0.79	0.13, 1.45	0.018
Quitter	−99.30	−204.35, −5.75	0.064	−0.42	−0.96, 0.11	0.122	0.16	−0.39, 0.71	0.571

^a adjusted for: self-rated health, infant sex, family size, SES, preterm delivery, secondhand water pipe smoking
^b adjusted for: infant sex, SES, delivery type, secondhand water pipe smoking
^c adjusted for: infant sex, SES, preterm delivery, secondhand water pipe smoking

ISSN: 1471-2393