Table 3.
Baseline clinical characteristics (number and percentage) of study sample
| Characteristics | Intervention Group (n = 74) No. (%) | Control Group (n = 29) No. (%) |
|---|---|---|
| 1. Years in practice | ||
| A) <1960–1980 | 8 (10.8) | 6 (20.7) |
| B) 1981–1990 | 23 (31.1) | 6 (20.7) |
| C) 1991–2000 | 26 (35.1) | 9 (31) |
| D) 2001–2007 | 17 (22.9) | 8 (27.6) |
| 2. Postgraduate degree | ||
| A) Yes | 13 (17.6) | 4 (13.8) |
| B) No | 61 (82.4) | 25 (86.2) |
| 3. Practice | ||
| A) Full Time | 49 (66.2) | 21 (72.4) |
| B) Part Time | 25 (33.8) | 8 (27.6) |
| 4. Type of practice | ||
| A) Solo | 27 (36.5) | 18 (62.1) |
| B) Group or multidisciplinary | 47 (63.5) | 11 (37.0) |
| 5. On-site access to radiography | ||
| A) Yes | 61 (82.4) | 17 (58.6) |
| b) No | 13 (17.6) | 12 (41.4) |
| 6. Average number of spine x-ray series ordered per week | ||
| A) Less then 5 | 42 (56.8) | 21 (72.4) |
| B) Over 5 | 32 (43.2) | 8 (27.6) |
| 7. Average number of referrals for special imaging of the spine per month | ||
| A) Less then 5 | 58 (78.4) | 25 (86.2) |
| B) Over 5 | 16 (21.6) | 4 (13.8) |