| Number of Estimates | RR (95% CI) |  |  | Heterogeneity χ2(df), p |
---|---|---|---|---|---|
 |  | Fixed-effect |  | Random-effects |  |
Overall | 4 | 0.95 (0.80-1.13) | Â | 0.95 (0.80-1.13) | 0.95 (3), 0.81 |
Males | 4 | 1.11 (0.88-1.39) | Â | 1.13 (0.86-1.47) | 3.76 (3), 0.29 |
Females | 4 | 0.78 (0.60-1.01) | Â | 0.78 (0.60-1.01) | 2.84 (3), 0.42 |
White people | 2 | 1.02 (0.71-1.46) | Â | 1.02 (0.71-1.46) | 0.01 (1), 0.92 |
Black people | 2 | 1.09 (0.66-1.81) | Â | 1.09 (0.66-1.81) | 0.30 (1), 0.59 |