| |
Elite
|
Recreational
|
p-values (ES)
|
|---|
|
Supplementation
|
Group
|
Supplementation x Group
|
|---|
|
Wmax
|
Caffeine
|
10.85 ± 0.48
|
11.52 ± 0.62
|
0.003** (0.44)
|
0.009** (0.36)
|
0.431 (0.04)
|
| |
Placebo
|
10.19 ± 0.59
|
11.11 ± 0.8
|
|
Wavg
|
Caffeine
|
8.69 ± 0.38
|
8.8 ± 0.67
|
0.001**(0.53)
|
0.378 (0.07)
|
0.290 (0.05)
|
| |
Placebo
|
8.25 ± 0.37
|
8.54 ± 0.51
|
|
Wmin
|
Caffeine
|
6.49 ± 0.22
|
6.01 ± 1.1
|
0.452 (0.04)
|
0.345 (0.06)
|
0.422 (0.04)
|
| |
Placebo
|
6.19 ± 0.56
|
6.02 ± 0.89
| | | |
|
T Wmax
|
Caffeine
|
8.00 ± 1.6
|
7.2 ± 1.55
|
<0.001*** (0.57)
|
0.783 (0.05)
|
0.077 (0.18)
|
| |
Placebo
|
8.88 ± 1.64
|
9.3 ± 1.49
| | | |
- Data are provided as the mean ± standard deviation. Adjusted values for the test statistic (F) and degrees of freedom (df) are shown when inequality of variances were found between groups
- Abbreviations: ES: effect size; Wmax: maximum power; Wavg: average power; Wmin: minimum power; T Wmax: time to maximum power
- **: p < 0.01; ***: p < 0.001
