Training volume

n (%)

OR (95% CI)

Gender

671

Girl

288 (43)

1

Boy

383 (57)

2.1 (1.4 - 3.2)**

Goal orientation

670

No orientation

136 (20)

1

Junior level

253 (38)

1.7 (0.8 - 3.6)

Adult level

282 (42)

3.6 (1.8 - 7.3)***

Competition level

671

Regional /recreational

231 (35)

1

National

424 (65)

5.3 (3.0 - 9.3)***