Table 1.

Socio-demographic characteristics of patients and caregivers of the four groups.

	Patients				Caregivers
	Treatment		Control		Treatment		Control
	N	%	N	%	N	%	N	%
Married	8	62	12	80	5	100	13	81
Unmarried	3	23	0	0	0	0	3	19
Widowed	2	15	3	20	0	0	0	0
Housewife	5	38	8	53	1	20	3	19
Retired	4	31	4	27	2	40	1	6
Worker	4	31	3	20	2	40	12	75