Comparison 2. Avatar therapy versus supportive counselling.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Mental state: 1a. Specific – positive – average endpoint score (SAPS, high = poor, skewed data) – short term	1		Other data	No numeric data
2.2 Mental state: 1b. Specific – insight – average endpoint score (various scales, high = poor) – short term	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
2.2.1 Attitude to voices (BAVQ‐R)	1	124	Mean Difference (IV, Fixed, 95% CI)	‐8.39 [‐14.31, ‐2.47]
2.2.2 Acceptance of voice (VAAS)	1	124	Mean Difference (IV, Fixed, 95% CI)	4.73 [1.40, 8.06]
2.2.3 Power of voice (VPDS)	1	115	Mean Difference (IV, Fixed, 95% CI)	‐0.36 [‐0.89, 0.17]
2.2.4 Total (VAAS)	1	115	Mean Difference (IV, Fixed, 95% CI)	‐2.91 [‐5.71, ‐0.11]
2.3 Mental state: 1c. Specific – depression – average endpoint score (various scales, high = poor, skewed data) – short term	1		Other data	No numeric data
2.3.1 CDS	1		Other data	No numeric data
2.3.2 DASS‐21 total	1		Other data	No numeric data
2.4 Mental state: 1d. Specific – negative – average endpoint score (SANS, high = good, skewed data) – short term	1		Other data	No numeric data
2.5 Mental state: 2a. General – average endpoint score ( PSYRATS total, high = poor) – short term	1	124	Mean Difference (IV, Fixed, 95% CI)	‐4.74 [‐8.01, ‐1.47]
2.6 Leaving study early: 1a. For any reason – short term	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	1.06 [0.59, 1.89]
2.7 Leaving study early: 1b. For specific reason – short term	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.7.1 Not contactable	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	3.00 [0.63, 14.39]
2.7.2 Refused	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.38, 1.81]
2.7.3 Unwell	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	0.67 [0.11, 3.88]
2.7.4 Attended no sessions	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	0.33 [0.13, 0.87]
2.7.5 Discontinued during early sessions (1‐ 6)	1	150	Risk Ratio (M‐H, Fixed, 95% CI)	1.70 [0.83, 3.47]
2.8 Quality of life: average endpoint score (various scales, high = good) – short term	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
2.8.1 MANSA	1	120	Mean Difference (IV, Fixed, 95% CI)	2.69 [‐1.48, 6.86]
2.8.2 Rosenberg Self‐Esteem Scale	1	121	Mean Difference (IV, Fixed, 95% CI)	0.55 [‐1.55, 2.65]