Analysis to date
| Controls (n, %) | Cases (n, %t) | p Value | |
| Provider degree | |||
| NP/PA | 49 (45%) | 30 (41%) | NS |
| MD/DO | 59 (55%) | 43 (59%) | |
| Practice location | |||
| Private practices/HMOs | 22 (18%) | 41 (56%) | Reference |
| STD clinics | 15 (13%) | 0 | <0.0001 |
| Emergency departments | 40 (33%) | 11 (15%) | <0.0001 |
| Community health centers/hospital clinics | 43 (36%) | 21 (29%) | 0.0004 |
| Residency graduation year | |||
| After 2000 | 27 (47%) | 15 (39%) | NS |
| 1990s | 16 (28%) | 13 (33%) | |
| Before 1990 | 14 (25%) | 11 (28%) | |
| Physician specialty | |||
| Family Medicine | 5 (9%) | 11 (24%) | Reference |
| Paediatrics | 3 (5%) | 5 (11%) | NS |
| Internal Medicine | 10 (18%) | 10 (22%) | NS |
| OB/GYN | 18 (32%) | 7 (16%) | 0.0225 |
| Emergency Medicine | 20 (36%) | 7 (16%) | 0.0101 |