Table A3.
Comparison of meta-analysis study weights under the quality effects model depending on the use of WHO evidence review vs. modified bias scores.
| Study | Birth Weight (Study Weight %) | LBW (Study Weight %) | SGA (Study Weight %) | PTB (Study Weight %) | ||||
|---|---|---|---|---|---|---|---|---|
| WHO Scores | Alternative Scores | WHO Scores | Alternative Scores | WHO Scores | Alternative Scores | WHO Scores | Alternative Scores | |
| Gehring et al. [18] | 10.6% | 12.6% | 11.8% | 13.7% | 10.4% | 13.6% | 79.9% | 79.8% |
| Dadvand et al. [19] | - | - | 2.9% | 6.1% | 2.4% | 6.9% | - | - |
| Markevych et al. [15] | 1.2% | 3.0% | - | - | - | - | - | - |
| Hjortebjerg et al. [22] | 11.4% | 14.5% | - | - | - | - | - | - |
| Barba-Vasseur et al. [9] | - | - | - | - | - | - | 5.5% | 5.4% |
| Smith et al. [10] | 66.5% | 55.5% | 78.7% | 65.4% | 85.0% | 71.5% | - | - |
| Wallas et al. [11] | - | - | 2.9% | 5.0% | - | - | 7.6% | 7.2% |
| Nieuwenhuijsen et al. [12] | 8.7% | 8.7% | 1.3% | 3.2% | - | - | - | - |
| Dzhambov et al. [13] – UIT | 0.8% | 2.7% | 1.1% | 3.1% | 1.1% | 3.8% | 3.4% | 3.6% |
| Dzhambov et al. [13] – BBT | 0.8% | 2.9% | 1.4% | 3.6% | 1.1% | 4.1% | 3.5% | 4.0% |
LBW: Low birth weight, PTB: Preterm birth, SGA: Small for gestational age.