Stratifying variable | Sample size | Random effects | Fixed effects | Heterogeneity | P |
---|---|---|---|---|---|
Study Design | Â | Â | Â | Â | Â |
Cross-sectional | 48,740 | 1.66(1.49-1.85) | 1.61(1.48-1.75) | 17.16 | 0.192 |
Prospective cohort | 3104 | 1.56(1.05-2.19) | 1.38(1.11-1.71) | 4.77 | 0.092 |
Type of country | Â | Â | Â | Â | Â |
Developed | 35,147 | 1.86(1.62-2.14) | 1.86(1.62-2.14) | 1.18 | 0.991 |
Developing | 40,837 | 1.54(1.33-1.77) | 1.50(1.37-1.63) | 15.75 | 0.028 |
Pooled estimate | 75,984 | 1.64(1.47-1.82) | 1.58(1.46-1.71) | 23.7 | 0.096 |