3. Data added into generic inverse variance outcome (1.14).

	CBT group			Standard care group
Short term	Mean	SD	N	Mean	SD	N
Barrowclough 2014	14.01	3.92	48	14.2	5.2	24
Chen 2015	10.6	3.7	25	11.5	4.1	25
Guo 2015	11.8	3.9	32	13.0	4.4	32
Jia 2005	9.82	2.13	22	12.18	1.84	38
Lewis 2002	13.3	5.06	78	13.67	5.33	60
Li 2013a	12.11	3.08	60	17.76	4.39	58
Naeem 2015	13.1	4.7	53	16.9	5.5	49
Qiu 2014b	13.07	5.3	30	17.28	4.3	29
Wang 2008	9.8	3.4	43	11.2	7.3	41
Wang 2015	10.8	3.51	15	13.33	4.32	15
Total			406			371
Medium term	Mean	SD	N	Mean	SD	N
Barrowclough 2001	13.35	4.57	17	16.07	5.54	15
Barrowclough 2010	14.62	4.85	137	14.59	5.35	137
Barrowclough 2014	13.36	3.92	47	14.6	5.1	23
Birchwood 2014	16.06	4.53	98	17.85	5.51	99
Chen 2015	10.2	3.7	25	11.3	3.9	25
Granholm 2005	13.2	5.4	32	12.9	4.6	33
Guo 2015	11.3	4.0	32	11.9	4.6	32
Hu 2013	10.2	4.8	40	10.1	4.9	39
Qiu 2014b	8.17	3.7	30	11.97	4.4	29
Rector 2003	12.0	4.0	24	13.9	6.7	18
Tarrier 2014	12.4	4.9	17	14.9	4.0	18
Wang 2015	9.53	1.68	15	11.8	2.98	15
Total			514			483
Long term	Mean	SD	N	Mean	SD	N
Barrowclough 2001	13.87	4.27	17	12.93	4.23	17
Barrowclough 2010	14.07	5.38	129	13.55	5.22	118
Barrowclough 2014	13.62	4.34	50	12.7	5.1	21
Birchwood 2014	16.96	5.32	98	17.3	5.78	99
Farhall 2009	11.78	5.13	45	13.0	4.67	47
Garety 2008	15.12	6.25	111	16.21	6.24	113
Granholm 2005	12.8	6.6	31	14.1	5.0	33
Gumley 2003	8.85	2.09	72	9.88	3.61	72
Guo 2015	10.8	3.8	32	12.8	4.3	32
Lewis 2002	12.45	4.1001	75	15.25	6.44	71
Rector 2003	10.9	3.4	21	11.5	4.7	13
Wang 2015	8.93	1.53	15	11.13	3.66	15
Total			696			651