| Frequency | % | Frequency | % | |
| Sex | ||||
| Male | 337 | 57.71 | 327 | 47.95 |
| Female | 247 | 42.29 | 355 | 52.05 |
| Days from injury to assessment | ||||
| 0–2 | 118 | 44.87 | 614 | 90.03 |
| 3 or more | 145 | 55.13 | 68 | 9.97 |
| Able to bear weight at baseline assessment | ||||
| No | 446 | 77.03 | 179 | 26.44 |
| Yes | 133 | 22.97 | 498 | 73.56 |
| Recurrent sprain | ||||
| No | 517 | 90.38 | 583 | 91.38 |
| Yes | 55 | 9.62 | 55 | 8.62 |
| Current employment | ||||
| None | 132 | 22.60 | 161 | 23.68 |
| Part time | 92 | 15.75 | 92 | 13.53 |
| Full time | 360 | 61.64 | 427 | 62.79 |
| Injury mechanism | ||||
| At home | 99 | 18.00 | 144 | 21.56 |
| Practising sports | 203 | 36.91 | 230 | 34.43 |
| At work | 79 | 14.36 | 91 | 13.62 |
| Outside, in public | 169 | 30.73 | 203 | 30.39 |
CAST, Collaborative Ankle Support Trial; SPRAINED, Synthesising a Clinical Prognostic Rule for Ankle Injuries in the Emergency Department.