Relationship of depression and sleep quality, diseases and general characteristics

Table 1 Relationship of Patient Health Questionnaire-9 items and depression

PHQ-9 item	Score	Mild (n = 139)		Moderate (n = 49)		Moderately severe (n = 22)		Severe (n = 11)
		n	Percent	n	Percent	n	Percent	n	Percent
Item 1	0	32	23.02	2	4.08	0	0.00	0	0.00
	1	67	48.20	11	22.45	5	22.73	1	9.09
	2	36	25.90	27	55.10	10	45.45	2	18.18
	3	4	2.88	9	18.37	7	31.82	8	72.73
Item 2	0	62	44.60	8	16.33	1	4.55	0	0.00
	1	62	44.60	14	28.57	4	18.18	0	0.00
	2	15	10.79	24	48.98	14	63.64	3	27.27
	3	0	0.00	3	6.12	3	13.64	8	72.73
Item 3	0	10	7.19	0	0.00	0	0.00	1	9.09
	1	41	29.50	12	24.49	2	9.09	0	0.00
	2	52	37.41	19	38.78	9	40.91	1	9.09
	3	36	25.90	18	36.73	11	50.00	9	81.82
Item 4	0	17	12.23	3	6.12	0	0.00	0	0.00
	1	66	47.48	9	18.37	1	4.55	0	0.00
	2	48	34.53	28	57.14	10	45.45	1	9.09
	3	8	5.76	9	18.37	11	50.00	11	100.00
Item 5	0	69	49.64	10	20.41	3	13.64	0	0.00
	1	49	35.25	20	40.82	5	22.73	3	27.27
	2	19	13.67	17	34.69	7	31.82	1	9.09
	3	2	1.44	2	4.08	7	31.82	7	63.64
Item 6	0	102	73.38	16	32.65	2	9.09	2	18.18
	1	32	23.02	24	48.98	5	22.73	0	0.00
	2	4	2.88	9	18.37	10	45.45	1	9.09
	3	1	0.72	0	0.00	5	22.73	8	72.73
Item 7	0	85	61.15	15	30.61	1	4.55	0	0.00
	1	44	31.65	17	34.69	2	9.09	1	9.09
	2	9	6.47	14	28.57	12	54.55	2	18.18
	3	1	0.72	3	6.12	7	31.82	8	72.73
Item 8	0	105	75.54	17	34.69	6	27.27	0	0.00
	1	28	20.14	25	51.02	5	22.73	0	0.00
	2	5	3.60	6	12.24	9	40.91	3	27.27
	3	1	0.72	1	2.04	2	9.09	8	72.73
Item 9	0	134	96.40	40	81.63	13	59.09	3	27.27
	1	5	3.60	7	14.29	5	22.73	5	45.45
	2	0	0.00	2	4.08	2	9.09	1	9.09
	3	0	0.00	0	0.00	2	9.09	2	18.18

PHQ-9: Patient Health Questionnaire-9.