Table 2.
Stratifying variable | Sample size | Random effects | Fixed effects | Heterogeneity | P |
---|---|---|---|---|---|
Study Design |
|
|
|
|
|
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 |
|
|
|
|
|
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 |