Table 2.
Basic statistics and test results of age and right/left differences for the variables
| 3.5 years old | 4 years old | 4.5 years old | 5 years old | 5.5 years old | 6 years old | 6.5 years old | Total |
Two-way ANOVA |
Tukey’s HSD | Effect size | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right-left | Age | Interaction | |||||||||||||
| The ratio of anterior foot pressure in the left foot (%) |
Mean |
24.9 |
27.5 |
30.4 |
29.9 |
30.8 |
32.2 |
34.1 |
30.0 |
F-value |
37.96* |
7.23* |
0.84 |
3.5<4.5,5.5,6,6.5 |
3.5 to 4.5: 0.44 |
| SD |
11.1 |
10.4 |
11.2 |
11.6 |
11.2 |
11.5 |
11.7 |
11.4 |
P-value |
0.00 |
0.00 |
0.54 |
6.5 4<6, 6.5 |
3.5 to 5: 0.47 |
|
| CV |
44.6 |
37.9 |
36.9 |
38.8 |
36.3 |
35.8 |
34.2 |
38.0 |
|
|
|
|
|
3.5 to 5.5: 0.49 |
|
| Maximum |
60.0 |
58.0 |
67.5 |
83.0 |
70.0 |
79.5 |
68.5 |
83.0 |
|
|
|
|
|
3.5 to 6: 0.62 |
|
| Minimum |
6.0 |
8.5 |
9.5 |
11.0 |
5.5 |
11.0 |
16.0 |
5.5 |
|
|
|
|
|
3.5 to 6.5: 0.78 |
|
| Range |
54.0 |
49.5 |
58.0 |
72.0 |
64.5 |
68.5 |
52.5 |
77.5 |
|
|
|
|
|
4 to 6: 0.49 |
|
| The ratio of anterior foot pressure in the right foot (%) | Mean |
27.3 |
28.5 |
32.0 |
33.2 |
32.6 |
34.6 |
36.5 |
32.1 |
|
|
|
|
|
4 to 6.5: 0.66 |
| SD |
11.2 |
10.6 |
12.0 |
12.1 |
12.0 |
12.6 |
13.0 |
12.1 |
|
|
|
|
|
Left to right: 0.18 |
|
| CV |
40.9 |
37.0 |
37.5 |
36.4 |
36.9 |
36.2 |
35.7 |
37.9 |
|
|
|
|
|
|
|
| Maximum |
60.0 |
57.0 |
73.5 |
70.5 |
77.5 |
81.5 |
67.0 |
81.5 |
|
|
|
|
|
|
|
| Minimum |
4.0 |
8.5 |
9.5 |
8.0 |
10.0 |
9.0 |
14.0 |
4.0 |
|
|
|
|
|
|
|
| Range | 56.0 | 48.5 | 64.0 | 62.5 | 67.5 | 72.5 | 53.0 | 77.5 | |||||||
*P < 0.05. Because there were no sex differences for the variables, the analysis was conducted by considering boys and girls together. CV, coefficient of variance; SD, standard deviation.