Table 2.

Clinical Outcome Comparison for DPC Enrollees and Usual Care Patients at 6, 12, And 18 Months

	DPC Enrollees		Usual Care
Measure	n	Mean (SD)	n	Mean (SD)	P Value
DPC=Depression in Primary Care.
^a Assessed using t test.
^b Assessed using χ²; with insurance type = managed care as comparator.
PHQ-8 score at entry	728	12.00 (5.65)	78	10.42 (5.64)	.190^a
PHQ-8 score at 6 mo	587	7.48 (5.58)	69	8.70 (5.16)	.084^a
PHQ-8 score at 12 mo	269	6.87 (5.88)	59	8.58 (5.24)	.040^a
PHQ-8 score at 18 mo	120	6.89 (5.32)	66	8.77 (4.85)	.019^a
Change in PHQ scores from baseline
Baseline to 6 mo	584	−4.40 (5.71)	68	−1.59 (4.57)	<.001^a
6 to 12 mo	267	−0.42 (4.92)	58	0.04 (3.86)	.430^a
12 to 18 mo	113	0.03 (4.77)	57	0.36 (3.97)	.650^a
Baseline to 18 mo	119	−4.17 (6.37)	65	−1.07 (4.78)	<.001^a
Patients in remission		%		%
At 6 mo	587	43.4	69	33.3	.110^b
At 12 mo	269	52.0	59	33.9	.012^b
At 18 mo	120	49.2	66	27.3	.004^b