Table 1.
Summary of current policies for competition across ages, sexes and levels of contact across a selection of collision sports
| Sport | Consistent age of introduction | Range of age (years) groups | Consistent rules between sexes | Mixed age grades permitted | Type of introduction of contact (i.e., restricted/full-contact) |
|---|---|---|---|---|---|
| Rugby union | No | U8-U12 | Yes | Country specific | Restricted |
| Rugby league | No | U6-U8 | Yes | Country specific | Restricted |
| Australian Rules footballa | No | U10-U11 | No | Until U14 | Restricted |
| Gaelic Football (men’s)a | Yes | No age restriction | No | Until U12 | Full-contact |
| Hurlinga,b | Yes | No age restriction | No | Until U12 | Full-contact |
| Box lacrosse | Yes | U6-U15 | No | Until U17 | Full-contact |
| Field lacrosse | Yes | U15 | No | Until U17 | Full-contact |
| Ice hockey | Yes | U15 | No | Until U18 | Full-contact |
| Tackle football | No | U7-U11 | Until U18 | Full-contact |
See Electronic Supplementary Material Table S1 for full details
U under
aSubject to local guidelines at under 12 years and lower age grades
bMale version with Camogie the female alternative