Demographic data for the study population (all players, teams and player positions). Values are mean (SD)
| Number of players | Age (years) | Body mass (kg) | Height (m) | Body mass index (kg/m2) | |
|---|---|---|---|---|---|
| All players | 152 | 25.0 (3.4) | 101.5 (12.1) | 1.87 (0.07) | 29.1 (2.9) |
| Teams | |||||
| A | 18* | 22.7 (3.3) | 105.6 (12.9) | 1.87 (0.07) | 29.9 (3.4) |
| B | 29 | 25.9 (3.6) | 101.1 (11.5) | 1.86 (0.07) | 29.3 (2.4) |
| C | 33 | 24.8 (3.4) | 99.4 (12.4) | 1.86 (0.07) | 28.6 (2.8) |
| D | 35 | 25.7 (3.1) | 100.9 (13.0) | 1.86 (0.07) | 29.1 (3.3) |
| E | 37 | 25.0 (3.1) | 102.3 (11.3) | 1.88 (0.07) | 28.9 (2.8) |
| Main player position | |||||
| Forwards | 85 | 24.9 (3.3) | 110.0 (7.9) | 1.89 (0.07) | 30.7 (2.8) |
| Backs | 67 | 25.2 (3.6) | 90.5 (6.3) | 1.83 (0.06) | 27.0 (1.5) |
*Only 18 of the approximately 34 players in this team gave consent to participate in the study. There were no significant differences in the age (p=0.278), height (p=0.456) and body mass (p=0.899) between the teams.