Table 2.
Subgroup analyses
| Subgroups | Number of studies | Number of subjects | MD (CI)* | I2 |
|---|---|---|---|---|
| Weight gain prevention |
4 |
(a) 108 (b) 93 |
- 1.09 (−1.51, -0.68) |
0 % |
| Weight loss |
9 |
(a) 203 (b) 179 |
−0.86 (−1.38, -0.33) |
49 % |
| Group intervention |
9 |
(a) 203 (b) 189 |
−0.70 (−1.24, -0.15) |
37 % |
| Individual intervention |
4 |
(a) 108 (b) 83 |
−1.20 (−1.57, -0.83) |
8 % |
| CBT |
5 |
(a) 124 (b) 114 |
−0.66 (−1.15, -0.16) |
41 % |
| Psychoeducation |
8 |
(a) 187 (b) 158 |
−1.28 (−1.64, -0.93) |
0 % |
| First-episode psychosis |
1 |
(a) 28 (b) 33 |
−0.99 (−1.71, -0.27) |
N/A |
| Chronic psychosis |
11 |
(a) 260 (b) 228 |
−0.92 (−1.34, -0.49) |
39 % |
| Mixed sample |
1 |
(a) 23 (b) 11 |
−1.30 (−2.02, -0.58) |
N/A |
| Physical activity |
4 |
(a) 93 (b) 90 |
−1.22 (−1.59, -0.85) |
2 % |
| No physical activity |
9 |
(a) 218 (b) 182 |
−0.75 (−1.22, -0.28) |
27 % |
| Diet |
3 |
(a) 65 (b) 57 |
−1.31 (−1.78, -0.83) |
21 % |
| No diet | 10 | (a) 246 (b) 215 | −0.80 (−1.19, -0.42) | 20 % |
* Random-effects method, 95% CI.
(a) experimental group.
(b) control group.