Table 1. Descriptive and inferential statistics for long-term development variables.
Age (yrs) Roller-hockey Volleyball Soccer Basketball
Sport starting age 6-10 100 71.4 92.9 68.8
11-14 - 14.3 7.1 26.0
15-18 - 7.1 - 5.2
≥19 - 7.1 - -
Main sport starting age 6-10 100 28.6 90.5 41.6
11-14 - 35.7 9.5 48.1
15-18 - 28.6 - 10.4
≥19 - 7.1 - -
* Significant differences were at p < 0.001, with a) Roller-hockey vs. Volleyball, b) Roller-hockey vs. Soccer, c) Roller hockey vs. Basketball, d) Volleyball vs. Soccer, e) Volleyball vs. Basketball, f) Soccer vs Basketball.