Table 2.
Characteristics of Swiss chiropractor participants, EPR users, and EPR non-users
| Characteristic | Study population (n = 217) | EPR users (n = 102) | EPR non-users (n = 115) | |||
|---|---|---|---|---|---|---|
| N | % | N | % | N | % | |
| Sex | ||||||
| Female | 77 | 35.5 | 43 | 42.2 | 34 | 29.6 |
| Male | 140 | 64.5 | 59 | 57.8 | 81 | 70.4 |
| Age – mean ± SD (y) | 50.7 ± 11.2 | 47.2 ± 10.9 | 53.8 ± 10.4 | |||
| Age (y) | ||||||
| ≤ 29 | 4 | 1.8 | 3 | 2.9 | 1 | 0.9 |
| 30–39 | 27 | 12.4 | 18 | 17.6 | 9 | 7.8 |
| 40–49 | 68 | 31.3 | 42 | 41.2 | 26 | 22.6 |
| 50–59 | 71 | 32.7 | 26 | 25.5 | 45 | 39.1 |
| 60–69 | 35 | 16.1 | 9 | 8.8 | 26 | 22.6 |
| ≥ 70 | 10 | 4.6 | 4 | 3.9 | 6 | 5.2 |
| NA | 2 | 0.9 | 0 | 0 | 2 | 1.7 |
| Language | ||||||
| German | 140 | 64.5 | 68 | 66.7 | 72 | 62.6 |
| French | 67 | 30.9 | 28 | 27.5 | 39 | 33.9 |
| Italian | 10 | 4.6 | 6 | 5.9 | 4 | 3.5 |
| Clinical experience – mean ± SD (y) | 22.1 ± 10.1 | 18.9 ± 10.2 | 25.1 ± 9.2 | |||
| Clinical experience (y) | ||||||
| ≤ 10 | 28 | 12.9 | 22 | 21.6 | 6 | 5.2 |
| 11–20 | 71 | 32.7 | 37 | 36.3 | 34 | 29.6 |
| 21–30 | 79 | 36.4 | 31 | 30.4 | 48 | 41.7 |
| 31–40 | 28 | 12.9 | 9 | 8.8 | 19 | 16.5 |
| 41–50 | 9 | 4.1 | 3 | 2.9 | 6 | 5.2 |
| ≥ 50 | 1 | 0.5 | 0 | 0 | 1 | 0.9 |
| NA | 1 | 0.5 | 0 | 0 | 1 | 0.9 |
| Practice size – N chiropractors | ||||||
| 1 | 102 | 47.0 | 39 | 38.2 | 63 | 54.8 |
| 2–3 | 81 | 37.3 | 36 | 35.3 | 45 | 30.7 |
| ≥ 4 | 34 | 15.7 | 27 | 26.5 | 7 | 6.1 |