Table 4.

Effect of Implementing Integrated Care Strategies on Mean Change in the 9-Item Patient Health Questionnaire for Patients Receiving Care in Advancing Care Together Practices

Practice ID	Patients (n)	Months in the Study, Mean (SD)	No. of Visits, Mean (SD)	PHQ-9 Score, Mean (SD)		Before/After Change in PHQ-9 Score, Mean (SE)		Adjusted⁺ Change in PHQ-9 Score over 6 Months, Mean (SE)
Practice ID	Patients (n)	Months in the Study, Mean (SD)	No. of Visits, Mean (SD)	At Baseline	After	Unadjusted	Adjusted^*	Adjusted⁺ Change in PHQ-9 Score over 6 Months, Mean (SE)
1	104	6.49 (4.6)	3.46 (2.6)	17.20 (4.1)	10.34 (7.1)	−6.87 (0.7)^{^†}	−6.46 (0.7)^{^†}	−3.19 (0.6)^{^†}
2	103	7.41 (4.7)	2.87 (1.8)	16.19 (4.3)	10.58 (8.3)	−5.61 (0.8)^{^†}	−4.97 (1.1)^{^†}	−3.25 (1.1)^{^†}
3	179	8.49 (4.6)	3.55 (1.6)	17.02 (4.3)	12.72 (6.8)	−4.30 (0.5)^{^†}	−3.89 (0.5)^{^†}	−2.03 (0.4)^{^†}
4	24	9.26 (3.7)	2.31 (0.5)	18.20 (3.1)	14.15 (4.2)	−4.06 (1.3)^{^†}	−4.47 (1.5)^{^†}	−3.12 (1.2)^{^‡}
5	65	6.20 (4.1)	2.82 (1.1)	18.06 (4.2)	15.09 (6.4)	−2.97 (0.8)^{^†}	−2.72 (0.7)^{^†}	−1.50 (0.5)^{^§}

↵* Adjusted for race (non-Hispanic white, non-Hispanic black, Hispanic, other), age (continuous), payer source (private, Medicare, Medicaid, self-pay, other), and sex.
↵† P < .001.
↵§ P < .01.
↵‡ P < .05.
SD, standard deviation; SE, standard error; PHQ-9, 9-item Patient Health Questionnaire.