Table 2.
Percent change and correlations between the three test moments for stature, body mass and YYIR1 within all performance groups by 2- and 4-year follow-up subsamples.
low (n=7)
average (n=7)
high (n=7)
2-year follow-up
Test
Mean
SD
95% CI
Mean
SD
95% CI
Mean
SD
95% CI
Stature (%)
1-2
4.3
1.4
± .6
4.2
1.2
± .5
4.2
1.5
± .6
2-3
3.4
1.5
± .6
3.4
1.8
± .7
3.4
1.8
±0.7
1-3
7.9
2.6
± 1.0
7.8
2.5
± 1.0
7.8
3.0
± 1.2
Body mass (%)
1-2
14.1
6.3
± 2.5
14.1
5.2
± 2.0
13.3
5.4
± 2.2
2-3
12.0
5.2
± 2.1
12.2
5.3
± 2.0
11.7
7.2
± 2.9
1-3
27.8
8.9
± 3.6
28.0
9.2
± 3.5
26.7
11.1
± 4.4
YYIR1 (%)
1-2
70.6
75.4
± 30.2
17.2
21.3
± 8.2
11.7
19.2
± 7.7
2-3
18.5
30.0
± 12.0
22.2
25.9
± 10.0
15.2
23.0
± 9.2
1-3
97.1
91.7
± 36.7
39.1
23.8
± 9.2
25.3
14.0
± 5.6
low (n=7)
average (n=7)
high (n=7)
4-year follow-up
Test
Mean
SD
95% CI
Mean
SD
95% CI
Mean
SD
95% CI
Stature (%)
1-2
10.0
2.1
± 1.6
9.0
2.3
± 1.7
9.9
2.7
± 2.0
2-3
4.8
3.3
± 2.4
6.8
2.9
± 2.2
5.7
2.2
± 1.6
1-3
15.3
3.2
± 2.4
16.4
2.7
± 2.0
16.2
2.7
± 2.0
Body mass (%)
1-2
35.7
9.6
± 7.1
28.3
7.7
± 5.7
32.2
8.4
± 6.2
2-3
17.3
12.5
± 9.3
26.0
9.6
± 7.1
21.2
8.6
± 6.4
1-3
58.8
16.4
± 12.2
61.2
10.2
± 7.6
59.9
12.2
± 9.0
YYIR1 (%)
1-2
170.7
118.1
± 87.5
30.3
27.5
± 20.4
45.2
15.3
± 11.3
2-3
25.7
13.3
± 9.9
47.2
30.6
± 22.7
11.9
6.2
± 4.6
1-3
235.7
132.7
± 98.3
86.8
28.4
± 21.0
62.2
15.7
± 11.6
SD=standard deviation; CI=confidence interval.