| Sexual activity* |
| Use of diaphragm with spermicide* |
| Older age |
| Female sex |
| Diabetes mellitus |
| Neurogenic bladder |
| Hemodialysis |
| Urinary retention |
| Urinary catheter use |
| Indwelling |
| Intermittent |
| External (condom) |
| *In sexually active, non-pregnant women ages 18-40.29 |