Table 1.

Outcomes for high and low dose and engagement groups after propensity weighting in entire CBT sample

12 Month Outcomes
Outcome Variable	Low Attendance– High Attendance	No Exposure– Completed Exposure	Less Homework Adherent– More Homework Adherent	Low Commitment– High Commitment
BSI-12	11.30–6.60 = 4.7	12.70–6.68 = 6.02	8.65–6.47 = 2.18	9.03–8.02= 1.01
(0-48)	(p < 0.001)	(p < 0.001)	(p = 0.012)	(p = 0.321)
	(d = 0.77)	(d = 1.00)	(d = 0.35)	(d = 0.16)
PHQ-8	8.91–5.57 = 3.34	9.77–5.21 = 4.56	7.17–5.13 = 2.03	7.59–6.32= 1.27
(0-24)	(p < 0.001)	(p < 0.001)	(p = 0.002)	(p = 0.117)
	(d = 0.73)	(d = 1.01)	(d = 0.44)	(d = 0.27)
SDS	10.93–7.50 = 3.43	12.19–6.57 = 5.62	8.83–6.27 = 2.56	9.81–7.77 = 2.04
(0-30)	(p = 0.008)	(p < 0.001)	(p = 0.002)	(p = 0.080)
	(d = 0.49)	(d = 1.02)	(d = 0.45)	(d = 0.36)
18 Month Outcomes
Outcome Variable	Low Attendance– High Attendance	No Exposure– Completed Exposure	Less Homework Adherent– More Homework Adherent	Low Commitment– High Commitment
BSI-12	10.57–7.40 = 3.17	11.57–7.22 = 4.35	9.03–6.00 = 3.03	9.95–6.81 = 3.13
(0-48)	(p = 0.029)	(p = 0.004)	(p < 0.001)	(p = 0.006)
	(d = 0.48)	(d = 0.66)	(d = 0.47)	(d = 0.47)
PHQ-8	8.04–5.76 = 2.27	8.79–5.67 = 3.12	7.24–4.79 = 2.44	8.11–5.36 = 2.75
(0-24)	(p = 0.018)	(p = 0.003)	(p < 0.001)	(p = 0.001)
	(d = 0.48)	(d = 0.67)	(d = 0.52)	(d = 0.59)
SDS	10.49–7.43 = 3.06	11.35–7.46 = 3.89	9.37–5.82 = 3.55	10.50–7.36 = 3.14
(0-30)	(p = 0.018)	(p = 0.003)	(p < 0.001)	(p = 0.006)
	(d = 0.50)	(d = 0.65)	(d = 0.59)	(d = 0.53)

Note. p-values adjusted using False Discovery Rate method