Table 2.

Comorbidity as a Moderator of the Differential Effect of TBT vs. BA on Global Distress and Transdiagnostic Symptom Interference (N = 90).

	DASS Total Score		IIRS Total Score
Fixed effects	Coefficient (SD)	95% CI	Coefficient (SD)	95% CI
Posttreatment Outcome (intercept), γ00	15.86* (2.03)	[11.53, 19.50]	38.68* (3.85)	[31.05, 46.59]
Treatment, γ01	−0.66 (3.42)	[−6.63, 6.06]	−2.93 (6.31)	[−14.46, 9.00]
Comorbidity, γ02	1.31 (1.86)	[−2.84, 4.34]	1.21 (3.33)	[−6.04, 7.45]
Treatment × Comorbidity, γ03	2.99 (3.12)	[−3.01, 8.88]	6.45 (5.40)	[−4.00, 17.48]
Linear Outcome Change (slope), γ10	−1.12* (0.17)	[−1.48, −0.80]	−1.34* (0.28)	[−1.87, −0.83]
Treatment, γ11	0.25 (0.29)	[−0.39, 0.78]	−0.0004 (0.45)	[−0.98, 0.91]
Comorbidity, γ12	−0.47* (0.15)	[−0.79, −0.21]	−0.47 (0.24)	[−0.97, 0.004]
Treatment × Comorbidity, γ13	0.48* (0.27)	[0.05, 1.02]	0.63* (0.41)	[0.05, 1.51]

Note. DASS = Depression Anxiety Stress Scales; IIRS = Illness Intrusiveness Ratings Scale; SD = standard deviation; CI = credible interval; ES = effect size; Treatment = Transdiagnostic Behavior Therapy coded as 0, Behavioral Activation coded as 1.

^*Indicates that the 95% CI does not include zero.