Confounding variables within the third next available appointment exposure groups
| Variable | TNA exposure group; mean ± SD* | ||
|---|---|---|---|
| Improved n = 96 | Stable n = 669 | Worsened n = 107 | |
| Practice characteristics | |||
| Female physicians, no. (%) | 38 (39.6) | 186 (27.8) | 37 (34.6) |
| Rural physicians, no. (%) | 49 (51.0) | 338 (50.5) | 51 (47.7) |
| No. of days worked per week | 4.1 ± 1.4 | 4.0 ± 1.4 | 4.0 ± 1.4 |
| No. of physicians per clinic | 8.8 ± 4.3 | 8.0 ± 4.0 | 8.0 ± 3.9 |
| Panel characteristics | |||
| Physician panel size | 1412.8 ± 934.4 | 1388.1 ± 791.7 | 1363.3 ± 938.2 |
| Age of panel, yr | 39.2 ± 5.3 | 40.0 ± 6.6 | 39.2 ± 6.9 |
| Patients on multiple panels, % | 13.3 ± 7.8 | 13.1 ± 8.4 | 12.4 ± 8.4 |
| Complex patients, % | 5.6 ± 2.4 | 5.3 ± 2.0 | 5.4 ± 1.8 |
| Female patients, % | 57.4 ± 12.8 | 54.2 ± 13.5 | 55.7 ± 13.7 |
| Starting TNA value | 11.7 ± 10.7 | 4.4 ± 5.0 | 4.1 ± 4.1 |
Note: SD = standard deviation, TNA = third next available appointment.
↵* Except where noted otherwise.