Table 1 Participant characteristics

Age (yrs)

15.3 ± 1.4 yrs

 Male

37

 Female

64

 Year 7 (13 yrs)

11

 Year 8 (14 yrs)

19

 Year 9 (15 yrs)

25

 Year 10 (16 yrs)

21

 Year 11 (17 yrs)

21

 Year 12 (18 yrs)

4

  < 1 yr

26

 2–4 yrs

63

 5–7 yrs

10

 8 + yrs.

2

Training hours per week

 4–6 h

40

 7–10 h

42

 11–14 h

15

 15 + hrs

4