Table 2.

Demographic characteristics of the participants in two study groups

Variables Groups $1^1$Groups		Case (n = 18)	Control (n = 15)	P-value
Age (yr)*		5.0 $\pm$ 21.8	2.9 $\pm$ 19.3	0.19
Husbands' age (yr) *		4.3 $\pm$ 27.3	0.7 $\pm$ 22.5	0.16
Gestational age (wk) *		8.7$\pm$ 14.9	9.0 $\pm$ 15.1	0.54
Women's education**
	Illiterate	0 (0)	1 (5.5)	0.39
	Diploma and high school	12 (66.6)	12 (66.6)
	Bachelor's degree and higher	6 (33.3)	5 (27.7)
Men's education**
	Illiterate	2 (11.1)	0 (0)	0.30
	Diploma and high school	12 (66.6)	12 (66.6)
	Bachelor's degree and higher	4 (22.2)	6 (33.3)
Economic status**
	$<$ 1 million	9 (50)	8 (44.4)	0.65
	Between 1 and 2 million	8 (44.4)	8 (44.4)
	$>$ 2 million	1 (5.5)	2 (11.1)
*Data presented as Mean $\pm$ SD (independent-samples t test), **Data presented as n (%) (Mann-Whitney test)