Table 1.

Demographic and perinatal data of the non-smoking and smoking groups.

Variable	Non-smokersa	Smokersa	p-Valueb
Maternal age (years)	32.14 ± 6.28	26.00 ± 3.74	0.026*
Number of previous pregnancies	2.43 ± 0.53	2.14 ± 1.07	0.456
Duration of pregnancy (weeks)	39.65 ± 0.66	39.21 ± 1.60	1.000
Birth weight (g)	3719.29 ± 196.86	3202.50 ± 309.38	0.002**
Placental weight (g)	680.83 ± 63.12	588.57 ± 73.35	0.165

^aNon-smokers = 4 male, 3 female; Smokers = 7 males.

^bAs determined by Mann-Whitney U test, Values are shown as mean ± SD. Non-smokers vs. smokers.

^*p < 0.05.

^**p < 0.01.