Stratifying variable | Sample size | Random effects | Fixed effects | Heterogeneity | P |
---|---|---|---|---|---|
Study Design | Â | Â | Â | Â | Â |
Cross-sectional | 121,035 | 1.43(1.26-1.61) | 1.37(1.33-1.41) | 281.2 | 0.001 |
Prospective cohort | 6944 | 1.36(1.17-1.59) | 1.36(1.17-1.59) | 5.93 | 0.762 |
Type of country | Â | Â | Â | Â | Â |
Developed | 65,743 | 1.50(1.34-1.68) | 1.64(1.57-1.71) | 49.7 | 0.001 |
Developing | 62,446 | 1.36(1.13-1.65) | 1.26(1.20-1.33) | 97.8 | 0.001 |
Pooled estimate | 128,199 | 1.42(1.27-1.59) | 1.37(1.33-1.41) | 286.2 | 0.001 |