Table 3 The results of meta-regression analysis
Group | β | 95% CI | p | R2 | |
|---|---|---|---|---|---|
Lower | Upper | ||||
Univariate analysis | |||||
Area (Western Pacific region vs. others) | -0.04 | -0.24 | 1.60 | 0.676 | 0.00% |
Assessment tool (ADA criteria vs. others) | -0.21 | -0.41 | -0.01 | 0.043 | 22.11% |
Sample (1–300 vs. ≥ 301) | -0.19 | -0.37 | -0.01 | 0.041 | 20.15% |
Quality score (Low vs. High/acceptable) | -0.08 | -0.29 | 0.12 | 0.422 | 0.00% |
Mean age (continuous variable) | -0.06 | -0.26 | 0.13 | 0.516 | 0.00% |
Mean BMI (continuous variable) | 0.02 | -0.13 | 0.26 | 0.513 | 0.00% |
Multivariate analysis | 77.57% | ||||
Area (Western Pacific region vs. others) | -0.24 | -0.43 | -0.05 | 0.011 | |
Assessment tool (ADA criteria vs. others) | -0.16 | -0.34 | 0.01 | 0.059 | |
Sample (1–300 vs. ≥ 301) | -0.39 | -0.56 | -0.23 | < 0.001 | |
Quality score (Low vs. High/acceptable) | -0.12 | -0.23 | -0.01 | 0.039 | |
Mean age (continuous variable) | -0.08 | -0.16 | -0.01 | 0.028 | |
Mean BMI (continuous variable) | 0.02 | -0.01 | 0.06 | 0.220 | |