		n	Total PSQI
		n	Mean	SD	Test	p
Gender	Female	82	9.40	3.17	t = 0.979	p = 0.333
Gender	Male	71	8.87	3.51	t = 0.979	p = 0.333
Education Status	Literate	15	10.00	2.95	F = 1.477	p = 0.212
	Primary school	34	10.15	2.97
	Secondary school	26	8.65	2.94
	High school	48	8.71	3.65
	University and higher	30	8.77	3.57
Marital Status	Married	98	9.22	3.19	t = 0.334	0.739
Marital Status	Single	55	9.04	3.60	t = 0.334	0.739
Relationship to Patient	Mother	10	11.10	3.25	F = 2.767	0.020
	Father	13	6.54	3.20
	Spouse	12	10.00	2.98
	Sibling	13	9.46	3.10
	Child	64	9.39	3.11
	Other	41	8.80	3.54
Being Financially Affected by the Process	Yes	83	9.53	3.32	t = 1.515	0.132
Being Financially Affected by the Process	No	70	8.71	3.32	t = 1.515	0.132
Knowing to Give Care to Patient	Yes	124	8.86	3.30	t = −2.287	0.024
Knowing to Give Care to Patient	No	29	10.41	3.25	t = −2.287	0.024
Sources of Knowledge about the Disease	Physician	23	9.30	3.94	t = −0.135	0.893
Sources of Knowledge about the Disease	Physician and nurse	128	9.20	3.20	t = −0.135	0.893
Duration of Treatment in Palliative Care Unit	Months 1-3	100	9.05	3.34	F = 1.437	0.241
	Months 3-6	30	10.00	2.95
	More than 6 months	23	8.52	3.70
Duration of Giving Care to Patient	Less than 6 months	45	9.47	3.66	t = −0.741	0.460
Duration of Giving Care to Patient	More than 6 months	108	9.03	3.20	t = −0.741	0.460