| Parameters Studied | Size | Fracture | Bivariate analysis | Multivariate analysis |
| N | N (%) | OR (min-max) | OR (min-max) | |
| Genital activity periods (years) |
|
|
|
|
| ≤35 | 269 | 146 (54.3%) | 1 | 1 |
| 36 - 39 | 380 | 197 (51.9%) | 0.9 (0.6 - 1.3) | 0.9 (0.6 - 1.3) |
| ≥40 | 207 | 91 (44.0%) | 0.7 (0.5 - 1.0) | 0.7 (0.5 - 1.0) |
| Parity (children) |
|
|
|
|
| 0 | 176 | 80 (45.5%) | 1 | 1 |
| 1 - 3 | 578 | 291 (50.9%) | 1.2 (0.8 - 1.8) | 1.2 (0.8 - 1.8) |
| ≥4 | 107 | 64 (59.8%) | 1.5 (1.0 - 2.3)* | 1.1 (0.7 - 1.8) |
| Lactation (months) |
|
|
|
|
| 0 - 1 | 438 | 212 (48.4%) | 1 | 1 |
| 2 - 5 | 206 | 94 (45.6%) | 0.9 (0.6 - 1.2) | 0.9 (0.6 - 1.2) |
| ≥6 | 217 | 129 (59.4%) | 1.6 (1.1 - 2.2)* | 1.5 (1.0 - 2.1)* |
| Body mass index (Kg/m2) |
|
|
|
|
| ≤25 | 439 | 207 (47.2%) | 1 | 1 |