Table 1. Clinicians by Variable and Adoption Status at the End of the Studya.
| Variable | Clinicians, No. (%) | Adopter, % | P value | |
|---|---|---|---|---|
| Nonadopter (n = 800) | Adopter (n = 227) | |||
| Clinician role | ||||
| Attending physician | 394 (49) | 112 (49) | 22.1 | .90 |
| Resident physician | 230 (29) | 68 (30) | 22.8 | |
| Advanced practice practitioner | 175 (22) | 47 (21) | 21.2 | |
| Health care system | ||||
| 1 | 244 (31) | 13 (6) | 5.1 | <.001 |
| 2 | 174 (22) | 18 (8) | 9.4 | |
| 3 | 21 (3) | 24 (11) | 53.3 | |
| 4 | 264 (33) | 68 (30) | 2.5 | |
| 5 | 96 (12) | 104 (46) | 52.0 | |
| Site status | ||||
| Intervention site | 416 (52) | 173 (76) | 29.4 | <.001 |
| Usual care site | 383 (48) | 54 (24) | 12.4 | |
| Exposure status | ||||
| Exposed ≥1 times | 110 (14) | 40 (18) | 26.7 | .18 |
| Nonexposed | 689 (86) | 187 (82) | 21.3 | |
| No. of exposures percentile | ||||
| 50th | 0 | 0 | NA | NA |
| 95th | 1 | 3 | NA | |
| 99th | 2 | 6.7 | NA | |
Abbreviation: NA, not applicable.
a
See time-to-event analysis in the text for a more detailed estimate of associations between covariate value and adoption status.