Table 3. Statistics of the regression analyses with the forward method for the total group and by sex with dependent variable ranking at U13 and U16 in junior elite tennis players (n = 92).
|
B |
SE B |
β |
R2 |
Boys
(n=44) |
Ranking U13 |
Constant |
33.35 |
6.48 |
|
.250 |
| Upper body power |
-0.53 |
0.14 |
-.50* |
|
| Girls (n=42) |
Ranking U13 |
Constant |
-66.32 |
28.72 |
|
.147 |
| APHV |
6.29 |
2.40 |
-.38* |
|
| Ranking U16 |
Constant |
138.09 |
51.92 |
|
.126 |
| APHV |
-10.39 |
4.33 |
-.36* |
|
* p < 0.05; R
2 is the explained variance by the regression.
