Table 6.
Significant univariate practitioner and practice variables associated with unorthodox category
| N | OR (95% CI) | p | |
|---|---|---|---|
| Practitioner Characteristics | |||
| Female | 418 | 1.0 | – |
| Male | 738 | 2.1 (1.5 to 3.0) | 0.00 |
| Age | |||
| 20–29 | 170 | 1.0 | – |
| 30–39 | 372 | 1.6 (1.1 to 2.6) | 0.04 |
| 40–49 | 316 | 1.3 (0.8 to 2.2) | 0.24 |
| 50–59 | 203 | 1.1 (0.6 to 1.8) | 0.82 |
| 60–69 | 80 | 1.0 (0.5 to 2.1) | 0.94 |
| > 70 | – | – | – |
| Always practiced in single country | |||
| No | 296 | 1.0 | |
| Yes | 865 | 0.6 (0.4 to 0.8) | 0.00 |
| Practice Characteristics | |||
| Country | |||
| Norway* | 142 | 1.0 | |
| Belgium | 55 | 1.0 (0.3 to 3.4) | 0.90 |
| Germany | 65 | 6.7 (3.0 to 15.4) | 0.00 |
| Ireland | 39 | 3.4 (1.2 to 9.3) | 0.02 |
| Italy | 39 | 9.2 (3.7 to 22.7) | 0.00 |
| Spain | 78 | 17.1 (7.8 to 37.4) | 0.00 |
| Sweden | 122 | 2.7 (1.2 to 6.1) | 0.01 |
| Switzerland | 113 | 1.4 (0.6 to 3.5) | 0.45 |
| Netherlands | 98 | 2.8 (1.2 to 6.3) | 0.02 |
| UK | 296 | 3.3 (1.6 to 6.6) | 0.00 |
| Weekly Patient visits | |||
| 0–50 | 372 | 1.0 | |
| 51–100 | 456 | 1.3 (0.9 to 2.0) | 0.15 |
| 101–150 | 163 | 2.2 (1.4 to 3.6) | 0.00 |
| 151 to 200 | 61 | 7.0 (3.9 to 12.7) | 0.00 |
| 201 to 250 | 23 | 9.4 (3.9 to 22.8) | 0.00 |
| 251 to 300 | 19 | 38.7 (10.8 to 132) | 0.00 |
| > 300 | 17 | 10.4 (3.8 to 28.6) | 0.00 |
| Perform differential diagnosis | |||
| Yes | 1028 | 1.0 | |
| No | 132 | 11.8 (7.9 to 17.6) | 0.00 |
| Proportion of new patients given X ray (%) | |||
| 0–5 | 587 | 1.0 | |
| 6–20 | 291 | 1.0 (0.7 to 1.4) | 0.89 |
| 21–50 | 115 | 1.7 (1.1 to 2.6) | 0.04 |
| 51–80 | 40 | 3.8 (2.0 to 7.4) | 0.00 |
| 81–100 | 54 | 8.8 (4.8 to 15.9) | 0.00 |
Significant variables in bold, * = Norway had lowest proportion of unorthodox respondents and was used as the comparator, - = too few numbers to calculate