Table 2.
Simple Logistic Regression of Risk Factors for Antibiotic Prescribing at Visits for Which Antibiotics Were Not Indicated
| Variable | Antibiotics prescribed, No. (%) | Odds ratio (95% CI) | P value |
|---|---|---|---|
| Physician evaluating patient | |||
| Attending physician only | 160/367 (43.6) | Reference | |
| Resident supervised by attending physician clinic preceptor | 62/415 (14.9) | 0.23 (0.16-0.32) | <.001 |
| Attending physician age (y) | |||
| ≤40 | 76/343 (22.2) | Reference | |
| >40 | 146/439 (33.3) | 1.75 (1.3-2.4) | <.001 |
| Attending physician sex | |||
| Female | 61/311 (19.6) | Reference | |
| Male | 161/471 (34.2) | 2.13 (1.5-3.0) | <.001 |
| Patent age (y) | |||
| <65 | 166/593 (28.0) | Reference | |
| ≥65 | 56/189 (29.6) | 1.08 (0.76-1.6) | .66 |
| Patient sex | |||
| Female | 139/548 (25.4) | Reference | |
| Male | 83/234 (35.5) | 1.62 (1.2-2.2) | .004 |
| Patient race | |||
| Non-white | 51/261 (19.5) | Reference | |
| White | 171/521 (32.8) | 2.01 (1.4-2.9) | <.001 |
| Evaluated in the preceding 30 days for same symptoms | |||
| No | 205/717 (28.6) | Reference | |
| Yes | 17/65 (26.2) | 0.89 (0.50-1.6) | .68 |