Table 3 Multilevel model for the repeated-sprint ability (366 measurements).
| Step |
Fixed Effects |
Log Likelihood |
P |
At Final Step |
| Coefficient |
SE |
| 1 |
Intercept (constant) |
2065.16 |
|
86.54 |
6.76 |
| 2 |
Chronological age |
1604.11 |
<.01 |
– 2.87 |
1.11 |
| 3 |
Chronological age2 |
1595.37 |
<.01 |
.06 |
.04 |
| 4 |
Late |
|
|
0 |
|
|
On time |
|
|
– .64 |
.60 |
|
Early |
1585.85 |
<.01 |
– 1.74 |
.70 |
| 5 |
Lean body mass |
1578.69 |
<.01 |
– .25 |
.07 |
| 6 |
Body mass |
1554.02 |
<.01 |
.15 |
.05 |
| 7 |
Height |
1549.64 |
<.05 |
.06 |
.04 |
| 8 |
Aerobic endurance |
1518.04 |
<.01 |
– .05 |
.01 |
| 9 |
Lower limb explosive strength |
1505.35 |
<.01 |
– .09 |
.03 |
| 10 |
Training experience |
1503.03 |
.13 |
N.E. |
|
| 11 |
Annual volume training |
1500.47 |
<.05 |
– .01 |
.00 |
|
Random Effects |
|
|
Variance |
SE |
|
Residual variance (level 1) |
|
|
2.22 |
.21 |
|
Intercept slope variance (level 2) |
|
|
37.07 |
15.10 |
|
Deviance from the empty model |
|
|
564.69 |
|
|
p < .001 |
|
|
|
|
SE (standard error); N.E. (not entered).
