Table 2. Comparison of participants' distribution based on qualitative demographic variable .

Variable	casegroup N= 31	control group N= 31	P
Age (Mean & SD)	44.88 (89. 02)	41.32 (7.66)	0.9
Sex (N & %) Male Female	50 (80%) 12 (20%)	43 (78%) 13 (22%)	0.19
Marital status (N & %) Single Married Divorced	16 (25%) 6 (10%) 40 (65%)	6 (10%) 17 (30%) 33 (60%)	0.13
Educational level (N & %) HS B.S M.Sc. and higher	25 (40%) 19 (31%) 18 (29%)	19 (35%) 14 (25%) 23 (40%)	0.16