Table 3.

IPQ-R Subscale α’s and Mean Scores among Treatment Groups on IPQ-R Subscales across 3 VA Sites

IPQ-R main components and subscale information	Missing	Alpha	HEDIS Guideline- Concordant Depression Treatment vs. Others
	N (%)	α	Yes (n=92)		No (n=179)
			M	SD	M	SD
	Identity (5 subscales)
Lethargy (8 items)	0	0.84	2.14	0.54	2.40	0.63
Depressed mood (5 items)	0	0.84	2.30	0.63	2.71	0.63
Anxiety symptoms (5 items)	0	0.78	3.26	0.65	3.28	0.56
GI/Somatic (4 items)	0	0.69	2.84	0.63	2.86	0.63
Sexual (1 item)	9 (3.3)	N/A	2.27	1.12	2.56	1.15
Cause (7 subscales)
Stress (6 items)	3 (1.1)	0.81	2.62	0.79	2.85	0.84
Family (5 items)	2 (0.7)	0.73	3.49	0.76	3.51	0.78
Poor health (4 items)	2 (0.7)	0.74	3.45	0.99	3.38	0.94
Environment (4 items)	2 (0.7)	0.75	4.10	0.69	3.82	0.83
Risky behavior (4 items)	3 (1.1)	0.66	4.00	0.73	3.96	0.75
Grief/loss (2 items)	2 (0.7)	0.71	3.55	1.13	3.45	1.14
Overworked (1 item)	7 (2.6)	N/A	3.70	1.04	3.73	1.11
Timeline (3 subscales)
Acute (3 items)	3 (1.1)	0.65	2.33	0.48	2.48	0.55
Chronic (3 items)	3 (1.1)	0.84	2.33	0.98	2.53	0.96
Cyclical (3 items)	4 (1.5)	0.82	2.44	0.86	2.71	0.88
Cure/Control (3 subscales)
Personal control (7 items)	4 (1.5)	0.85	2.75	0.71	2.88	0.65
Treatment control (3 items)	4 (1.5)	0.84	2.60	0.69	2.87	0.73
External control (4 items)	4 (1.5)	0.45	3.03	0.57	2.94	0.55
Consequence (1 scale, 5 items)	3 (1.1)	0.88	2.15	0.80	2.50	0.86
Coherence (1 scale, 5 items)	5 (1.8)	0.62	2.83	0.92	2.99	1.04
Emotional Response (1 scale, 5 items)	3 (1.1)	0.51	2.14	0.69	2.43	0.76