Table 2.
Intervention effect on outcomes of overweight and obesity among school-aged children in the meta-analysis
| Outcome | No. studies | Sample size | Effect size | Heterogeneity assessment | ||||
|---|---|---|---|---|---|---|---|---|
| SMD (95% CI) | P-value | I-squared % | Q-test | P-value | ||||
| BMI (kg/m2) | z-score | 15 | 2,210 | -0.39 (-0.69, -0.09) | 0.01 | 88.6 | 119.40 | < 0.001 |
| Score | 16 | 2,064 | -0.79 (-1.48, -0.09) | 0.03 | 97.8 | 530.80 | 0.03 | |
| All measures (Both BMI measures combined) | 26 | 3,417 | -0.59 (-0.89, -0.20) | < 0.001 | 96.64 | 652.2 | < 0.001 | |
| WC (cm) | 9 | 1,079 | -0.78 (-2.01, 0.45) | 0.21 | 98.7 | 383.00 | < 0.001 | |
| WHR | 3 | 375 | -.04 (-0.65, 0.58) | 0.91 | 88.8 | 16.90 | < 0.001 | |
| Fat mass (kg) | 5 | 418 | -0.96 (-1.54, -0.38) | < 0.001 | 85.0 | 25.20 | < 0.001 | |
| Body fat (kg) | 3 | 351 | -0.81 (-1.30, -0.33) | < 0.001 | 69.29 | 4.66 | 0.10 | |
| Percentage overweight | 3 | 405 | 1.61 (-4.86, 1.65) | 0.33 | 99.20 | 226.54 | < 0.001 | |
| SBP (mm Hg) | 2 | 134 | -0.60 (-1.32, 0.12) | 0.10 | 77.03 | 4.35 | 0.04 | |
| DBP (mm Hg) | 2 | 134 | -0.49 (-0.83, -0.15) | 0.03 | 41.8 | 1.72 | 0.19 | |
SMD Standardized mean difference, CI Confidence Interval, BMI Body Mass Index, WC Waist Circumference, WHR Waist to Hip Ratio, SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure