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| 5.0-year | 5.5-year | 6.0-year | 6.5-year |
| Two-way ANOVA (group × age) | |||
Group | Age | Interaction | ||||||||||
Boys | Age | Barefoot group | Mean | 5.2 | 5.7 | 6.2 | 6.7 | F | 1.15 | 1411.98 | 0.73 | |
S.D. | 0.1 | 0.1 | 0.1 | 0.1 | p | 0.28 | 0.00* | 0.53 | ||||
Non barefoot group | Mean | 5.2 | 5.7 | 6.2 | 6.7 | |||||||
S.D. | 0.2 | 0.1 | 0.1 | 0.1 | ||||||||
Height | Barefoot group | Mean | 107.2 | 110.2 | 113.9 | 116.4 | F | 0.00 | 35.59 | 0.53 | ||
(cm) | S.D. | 4.9 | 4.2 | 4.7 | 4.3 | p | 0.96 | 0.00* | 0.66 | |||
Non barefoot group | Mean | 105.8 | 109.7 | 114.4 | 117.7 | |||||||
S.D. | 16.9 | 4.3 | 4.8 | 4.6 | ||||||||
Body mass | Barefoot group | Mean | 17.3 | 18.4 | 20.0 | 20.7 | F | 11.08 | 26.93 | 0.39 | ||
(kg) | S.D. | 1.9 | 2.2 | 3.1 | 2.2 | p | 0.00* | 0.00* | 0.76 | |||
Non barefoot group | Mean | 18.5 | 19.2 | 20.5 | 21.9 | |||||||
S.D. | 2.1 | 2.4 | 2.3 | 3.1 | ||||||||
Girls | Age | Barefoot group | Mean | 5.2 | 5.7 | 6.2 | 6.7 | F | 0.03 | 1609.82 | 0.21 | |
S.D. | 0.1 | 0.1 | 0.1 | 0.1 | p | 0.87 | 0.00* | 0.89 | ||||
Non barefoot group | Mean | 5.2 | 5.7 | 6.2 | 6.6 | |||||||
S.D. | 0.2 | 0.1 | 0.1 | 0.1 | ||||||||
Height | Barefoot group | Mean | 106.3 | 110.1 | 113.3 | 116.0 | F | 0.26 | 76.83 | 1.47 | ||
(cm) | S.D. | 4.2 | 4.2 | 4.7 | 4.2 | p | 0.61 | 0.00* | 0.22 | |||
Non barefoot group | Mean | 107.0 | 108.5 | 114.3 | 116.9 | |||||||
S.D. | 4.0 | 5.3 | 3.3 | 4.4 | ||||||||
Body mass | Barefoot group | Mean | 16.9 | 18.2 | 19.3 | 20.5 | F | 15.84 | 31.93 | 0.78 | ||
(kg) | S.D. | 2.1 | 1.9 | 2.7 | 2.5 | p | 0.00* | 0.00* | 0.51 | |||
Non barefoot group | Mean | 18.5 | 18.7 | 20.4 | 21.9 | |||||||
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| S.D. | 1.7 | 2.9 | 2.2 | 2.6 |
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