. 2015 Feb 6;15:17. doi: 10.1186/s12888-015-0384-2

Table 2.

Within-group differences estimated from linear mixed effects models, adjusted for age, gender and medication use, from baseline to 3 month follow-up and baseline to 6 month follow-up, for both depression (PHQ-9) and anxiety (GAD-7) scores

*Response*	*Follow-up*	*Group*	*Difference from baseline*
*Response*	*Follow-up*	*Group*	*Estimate*	*95% CI*	*P-value*
PHQ-9	3 months	DAC	−2.14	(−5.95, 1.66)	0.583
	3 months	IA	−7.49	(−10.90, −4.08)	<0.001
	6 months	DAC	−6.57	(−11.02, −2.11)	<0.001
	6 months	IA	−8.30	(−12.57, −4.44)	<0.001
GAD-7	3 months	DAC	−0.48	(−4.65, 3.68)	0.999
	3 months	IA	−6.24	(−9.97, −2.50)	<0.001
	6 months	DAC	−6.14	(−10.98, −1.30)	0.004
	6 months	IA	−6.37	(−10.79, −1.96)	<0.001