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Table 2 Subgroup analyses

From: Health promotion lifestyle interventions for weight management in psychosis: a systematic review and meta-analysis of randomised controlled trials

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 %

  1. * Random-effects method, 95% CI.
  2. (a) experimental group.
  3. (b) control group.