Details of the junior and senior sample, including average age and proportions of white players, forward positions and those who had never had a sprain, previously
| Junior (n=2279) | Senior (n=1642) | |
|---|---|---|
| Age in years (mean±SD) | 17±1 (n=2162) | 25±4 (n=1586) |
| Ethnicity—Caucasian* (%) | 46 (n=2167) | 64 (n=1586) |
| Forwards (%) | 54 (n=2167) | 55 (n=1590) |
| Never injured† (%) | 17 (n=2161) | 11 (n=1559) |
| Coach safety‡—yes (%) | 87 (n=2116) | 87 (n=1558) |
*This was the ethnicity classification used by South African Rugby Union in the knowledge, attitude and behaviour questionnaire (see online supplementary appendix I).
†Players who answered ‘never’ to the question, “When was your last Rugby ligament sprain or muscle strain?”
‡Players were asked, “Do you think it is important that your coach complete an annual safety course?”