[Table/Fig-2]:

Demographics characteristics of study population.

Variable	Case group		Control group
Marital status	%	No.	%	No.
Single	3	15	2	10
Married	17	85	18	90
Total	20	100	20	100
Custody
Yes	17	85	18	90
No	3	15	2	10
Total	20	100	20	100
Education level
Preliminary	5	25	4	20
Guidance	5	25	5	25
High school	8	40	9	45
Academic	2	10	2	10
Total	20	100	20	100
Employment
Housewife	18	90	18	90
Employed	2	10	2	10
Total	20	100	20	100
Insurance Services
Yes	20	100	20	100
No	-	-
Total	20	100	20	100
Economic status
Poor	4	20	2	10
Moderate	14	70	16	80
Good	2	10	2	10
Total	20	100	20	100