Table 2.

Group differences in depression and anxiety in the first 2 months of therapy.

Variable and group		Baseline	1 Month	2 Months	Effect sizes (95% CI) for effect baseline to 2 months	Symptom reduction from baseline to 2 months (%)	Time×group interaction effect—F test (df1, df2)
Depression (PHQ-9)a								2.66 (2,11)b
	AIc	9.10 (4.70)	7.80 (4.26)	6.00 (2.56)	0.82 (–0.08 to 1.66)	34
	TAUd	8.38 (4.34)	5.89 (4.34)	6.70 (5.54)	0.34 (–0.52 to 1.17)	20
Anxiety (GAD-7)e								2.89 (2,11)b
	AI	8.30 (3.95)	6.60 (3.78)	5.88 (1.89)	0.78 (–0.11 to 1.62)	29
	TAU	7.63 (3.70)	5.89 (4.34)	7.00 (5.21)	0.14 (–0.70 to 0.97)	8

^aPHQ-9: Patient Health Questionnaire-9.

^bNot significant.

^cAI: artificial intelligence.

^dTAU: treatment as usual.

^eGAD-7: Generalized Anxiety Disorder-7.