Table 3.

Parameter estimates of the fixed effects of the LMM analysis

	Fixed Effects BSI					Fixed Effects OQ-45
	Est/Beta	SE	95% CI	t	p	Est/Beta	SE	95% CI	t	p
Intercept	1.50	0.09	1.32 – 1.68	16.73	<.001	88.37	2.65	83.11 – 93.63	33.36	<.001
Group	0.18	0.13	−0.08 – 0.44	1.37	.174	5.39	3.86	−2.27 – 13.05	1.40	.166
Post-treatment	−0.28	0.06	−0.41 – -0.16	−4.45	<.001	−13.80	2.22	−18.20 – 9.41	−6.21	<.001
Follow up	−0.42	0.09	−0.60 – -0.24	2.32	.053	17.87	3.26	11.42 – 24.32	5.48	<.001
Group * Post-treatment	0.24	0.09	0.06 – 0.42	2.60	.010	2.49	3.19	1.64 – 14.24	2.49	.014
Group * Follow up	0.15	0.13	−0.11 – 0.41	1.16	.248	5.15	4.67	−4.10 – 14.40	1.10	.272
	Model Fit					Model Fit
AIC	389.63					2197.77

*BSI: brief symptom inventory; OQ-45: outcome questionnaire 45.