Table 1.
Mixed longitudinal study design with numbers of rhythmic gymnasts (untrained controls) measured at each test year by age and biological maturation categories.
Test year
1st year
2nd year
3rd year
4th year
Total
Age
7
14(4)
14(4)
8
20(23)
11(2)
31(25)
9
11(17)
16(20)
10(2)
37(39)
10
12(17)
16(20)
9(2)
37(39)
11
10(14)
17(19)
27(33)
12
9(14)
9(14)
Total
45(44)
39(39)
36(36)
35(35)
155(154)
Tanner stage
I
45(44)
39(30)
32(10)
5(4)
121(88)
II
0(9)
4(19)
26(17)
30(45)
III
0(6)
4(10)
4(16)
IV
0(1)
0(4)
0(5)
Total
45(44)
39(39)
36(36)
35(35)
155(154)