Table 7.

Score differences and standard effect sizes for treatment arm comparisons at 3 months for participants in the SMS sub-study

	Acupuncture vs usual care				Counselling vs usual care				Acupuncture vs counselling
Outcome	N	Score diff	SD*	Standard effect size	N	Score diff	SD*	Standard effect size	N	Score diff	SD*	Standard effect size
PHQ-9 Total	272	−3.40	6.45	0.53	258	−1.90	6.45	0.29	342	−1.50	6.45	0.23
PHQ-9 Item 1	271	−0.36	0.87	0.42	257	−0.28	0.87	0.32	342	−0.09	0.87	0.10
PHQ-9 Item 2	271	−0.54	0.91	0.60	257	−0.22	0.91	0.24	340	−0.33	0.91	0.36
PHQ-9 Item 3	271	−0.26	1.03	0.25	256	−0.14	1.03	0.14	341	−0.12	1.03	0.11
PHQ-9 Item 4	270	−0.42	0.96	0.43	258	−0.20	0.96	0.21	340	−0.22	0.96	0.23
PHQ-9 Item 5	270	−0.13	1.08	0.12	257	0.01	1.08	0.00	341	−0.13	1.08	0.12
PHQ-9 Item 6	271	−0.45	1.03	0.44	258	−0.20	1.03	0.19	341	−0.25	1.03	0.24
PHQ-9 Item 7	272	−0.56	0.99	0.57	258	−0.37	0.99	0.37	342	−0.20	0.99	0.20
PHQ-9 Item 8	272	−0.36	0.92	0.40	257	−0.33	0.92	0.36	341	−0.04	0.92	0.04
PHQ-9 Item 9	272	−0.27	0.79	0.35	258	−0.15	0.79	0.19	342	−0.12	0.79	0.15
R-SMS-DS Week 16	236	−1.41	2.37	0.59	222	−1.09	2.37	0.46	288	−0.32	2.37	0.14

*Standard Deviation of total sample used for all comparisons.