Characteristics of PCC interviewees
| Characteristic | n (%) |
| Provider type | |
| Medical doctor (MD) | 28 (70) |
| Doctor of osteopathy (DO) | 3 (9) |
| Nurse practitioner (NP) | 9 (23) |
| Total number interviewed | 40 |
| Clinician specialty (physicians only) | |
| Family medicine | 10 (25) |
| Internal medicine | 21 (53) |
| Years in practice: average (range) | 17 (4–32) |
| Practice type | |
| Community clinic | 1 (3) |
| Outpatient clinic | 14 (35) |
| Private practice | 16 (40) |
| University health services | 9 (23) |
| Regional location of practice | |
| New England | 9 (23) |
| Mid-Atlantic | 4 (10) |
| Midwest | 5 (13) |
| Southeast | 13 (33) |
| West | 9 (23) |
| Practice location | |
| Urban | 17 (43) |
| Suburban | 19 (48) |
| Rural | 4 (10) |
| Number of spine pain patients seen per week | |
| 4–9 | 15 (38) |
| 10–19 | 14 (35) |
| 20–39 | 7 (18) |
| >39 | 4 (10) |
PCC, primary care clinician.