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. 2019 Mar 5;9:3496. doi: 10.1038/s41598-019-39695-0

Table 2.

Comparison of 6.4-m gait speed and daily gait speed between age groups.

All (n = 1965) 60–69 years (n = 1013) 70–79 years (n = 775) ≥ 80 years (n = 177) Main effects Interaction effect
Age Measurement Age × Measurement
6.4-m gait speed (cm/s) 117.0 ± 19.9 122.3 ± 18.3 114.0 ± 19.2 100.6 ± 20.9 *p < 0.001 η2 = 0.135 *p < 0.001 η2 = 0.042 p = 0.260 η2 < 0.001
Daily gait speed (cm/s) 109.7 ± 22.6 115.2 ± 23.0 105.8 ± 21.2 95.6 ± 14.9

Data are shown as the mean ± SD. Two-way repeated-measures ANOVAs were conducted. *p < 0.05, η2 > 0.01.