Table 2.

Regression estimates of overall improvement in depression and anxiety symptoms.

					Depression (PHQ-9a score)		Anxiety (GAD-7b score)
Intercept
	Estimates				15.27		14.39
	SE				0.02		0.02
	P value				<.001c		<.001c
Time in treatment (log-days)
	Estimates				–1.49		–1.30
	SE				0.01		0.01
	P value				<.001c		<.001c
Random effects
	σ2				12.94		10.79
	τ00
		Member_id		7.30		2.28
		Provider_id		0.29		0.16
	τ11
		Member_id.time in tx		0.57		0.45
		Provider_id.time in tx		0.03		0.03
	ρ01
			Member_id	0.22		0.94
			Provider_id	–0.25		–0.28
	Intraclass correlation				0.56		0.54
	N
			Member_id	42,630		39,860
			Provider_id	5797		5671
	Observations				137,607		128,966
	Marginal R2 / Conditional R2				0.225/0.658		0.217/0.637

^aPHQ-9: Patient Health Questionnaire 9-item Scale.

^bGAD-7: Generalized Anxiety Disorder 7-item Scale.

^cSignificant values (P<.05).