Table 1 Participant characteristics
| Â | Total (n 565) | Male (n 278) | Female (n 287) | p value |
|---|---|---|---|---|
Age n (%) | ||||
 <30 years | 41 (7.3) | 16 (5.8) | 25 (8.7) | 0.180 |
 30–50 years | 300 (53.2) | 121 (43.7) | 179 (62.4) | 0.288 |
 >50 years | 223 (39.5) | 140 (50.5) | 83 (28.9) | <0.0001 |
Membership of the ICGP n (%) | ||||
 Associate, part-time, others | 18 (3.2) | 8 (2.9) | 10 (3.5) | 0.681 |
 Full-time | 403 (71.3) | 204 (73.4) | 199 (69.3) | 0.288 |
 Retired | 36 (6.4) | 24 (8.6) | 12 (4.2) | 0.030 |
 Trainee | 108 (19.1) | 42 (15.1) | 66 (23.0) | 0.017 |
Training n (%) | ||||
 On the GP specialist register | 435 (77.5) | 216 (78.3) | 219 (76.8) | 0.687 |
 Working in general practice | 482 (85.3) | 242 (87.1) | 240 (83.6) | 0.250 |
 Working in academic general practice | 129 (23.0) | 64 (23.4) | 65 (22.7) | 0.859 |
 Level 1-trained GP managing opioid users | 169 (29.9) | 77 (27.7) | 92 (32.1) | 0.258 |
 Level 2-trained GP managing opioid users | 25 (4.4) | 16 (5.8) | 9 (3.1) | 0.130 |
Practice population n (%) | ||||
 Mixed | 211 (39.7) | 110 (41.5) | 101 (38.0) | 0.405 |
 Rural | 88 (16.6) | 42 (15.8) | 46 (17.3) | 0.655 |
 Urban | 232 (43.7) | 113 (42.6) | 119 (44.7) | 0.626 |
 Working in an area of deprivation | 211 (39.4) | 99 (37.4) | 112 (41.5) | 0.329 |