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Hazard ratio (HR) of penile problems in circumcised vs. uncircumcised boys during the study period controlling for region (relative to Northeast) and rurality (relative to rural).
| Variables | HR | Low95 | High95 | p-value |
|---|---|---|---|---|
| Region (Midwest) | 0.78 | 0.75 | 0.82 | p<0.001 |
| Region (South) | 0.91 | 0.87 | 0.95 | p<0.001 |
| Region (West) | 1.1 | 1.04 | 1.15 | p<0.001 |
| Region (Other) | 1.14 | 1.01 | 1.3 | p=0.038 |
| Rurality (urban) | 1.23 | 1.2 | 1.3 | p<0.001 |
| Study group (circumcised) | 2.9 | 2.8 | 3 | p<0.001 |
