Table 2.  Descriptive and inferential statistics for developmental stages variables.
Developmental stages
Roller-hockey
Volleyball
Soccer
Basketball
IN
OR
SP
HP
IN
OR
SP
HP
IN
OR
SP
HP
IN
OR
SP
HP
Number of sports practiced
0
1
2
3
≥4
-
52.6 21.1 21.1 5.3
-
63.2 21.1 10.5 5.3
-
78.9 10.5 5.3 5.3
-
94.7 5.3
-
-
28.6 42.9 7.1 14.3 7.1
14.3 50.0 21.4 14.3
-
7.1 92.9
-
-
-
-
100
-
-
-
9.5 54.7 33.3 2.4
-
-
90.5 9.5
-
-
-
97.6 2.4
-
-
-
100
-
-
-
18.2 31.2 28.6 16.9 5.2
3.9 71.4 23.4 1.3
-
-
98.7 1.3
-
-
-
100

-
-
Type of sports practiced
None
Main team sport
Other team sports (TS) Individual sports (Individual) Combinations of several sports
- 52.6 -
- 47.4
- 63.2 -
- 36.9
- 78.9 -
- 21.0
- 94.7 -
-
5.3
28.6 21.4 28.6 - 21.3
14.3 50.0 21.4 - 14.3
7.1 92.9 -
-
-
-
100
-
-
-
9.5 54.7 -
- 35.7
- 88.1 -
- 14.4
- 97.6 -
-
2.4
-
100
-
-
-
18.2 13.0 14.3 9.1 45.5
3.9 66.2 5.2 1.3 23.4
- 98.7 -
-
1.3
-
100
-
-
-
Average minutes per week
None
60 minutes
60-120 minutes
120-180 minutes
180-240 minutes
240-300 minutes
300 minutes
-
-
-
- 26.3 26.3 47.4
-
-
-
-
- 31.6 68.4
-
-
-
-
- 10.5 89.5
-
-
-
-
-
-
100
28.6 -
7.1
- 42.9 14.3 7.1
14.3 -
-
- 28.6 35.7 21.4
7.1
-
-
-
7.1 28.6 57.1
-
-
-
-
-
-
100
9.5
-
2.4 11.9 9.5 26.2 40.5

-
-
2.4
-
7.1
16.7
73.8
-
-
-
-
4.8
- 95.2
-
-
-
-
2.4
- 97.6
18.2 1.3 2.6 10.4 18.2 11.7 37.7
3.9
-
-
1.3 3.9 16.9 74.0
-
-
1.3
-
-
2.6 96.1
-
-
-
-
-
-
100
Participation in competition
None
Yes
No
-
100
-
-
100
-
-
100
-
-
100
-
28.6 64.3 7.1
14.3 85.7 -
7.1 92.9 -
-
100
-
9.5 90.5 -
- 97.6 2.4
-
100
-
-
100
-
18.2 62.3 19.5
3.9 96.1 -
- 98.7 1.3
-
100
-

 

 

 

 

 

 

 

 



All statistical significant differences are described in the results section.