Table 1
Means (±SD) of anthropometrics in the three groups together with the effect size and observed power.
Level
n
Age (yr)
Height m)
Weight (kg)
Experience (yr)
Elite
36
26.9 (3.4)
1.90 (7.8)
90.3 (5.6)
18.7 (4.6)
Amateur
30
24.0 (2.2)
1.86 (7.2)
88.2 (6.9)
14.9 (2.9)
Under 18
53
17.2 (1.3)
1.81 (5.0)
82.9 (3.4)
8.8 (1.4)
p
<.001
<.001
<.001
<.001
η
2
.783
.265
.292
.668
Statistical power
1.0
1.0
1.0
1.0
All differences among groups were significant at the p<0.05 level