Table 1 Demographic characteristics (mean ± SD) for U.S. Rugby-7s U19 players with overall injuries combined as a function of sex and playing position
Sex and playing position | N | Age (years) | Stature (cm) | Body mass (kg) |
|---|---|---|---|---|
Female | 39 | 16.7 ± 1.2 | 165.5 ± 7.1 | 62.7 ± 10.3 |
 Backs | 16 | 16.4 ± 1.2 | 164.7 ± 6.4 | 58.2 ± 5.1 |
 Forwards | 15 | 17.1 ± 1.1 | 165.5 ± 6.8 | 67.6 ± 13.3 |
 Missing1 | 8 | 16.7 ± 1.1 | 167.2 ± 9.8 | 62.8 ± 7.8 |
Male | 134 | 17.2 ± 1.5 | 176.0 ± 8.0 | 78.8 ± 11.4 |
 Backs | 76 | 17.5 ± 1.3 | 175.0 ± 8.4 | 75.4 ± 10.7 |
 Forwards | 41 | 17.3 ± 1.4 | 177.5 ± 6.8 | 85.7 ± 10.2 |
 Missing1 | 17 | 16.0 ± 1.6 | 176.5 ± 8.5 | 78.9 ± 10.6 |