Table 2. Accuracy and average response time of all executive function tests (mean ± SD).

Condition	Sitting	Standing	Self-paced walking	Faster walking
Stroop
Accuracy (%)
Congruent	99.1 ± 2.1	99.3 ± 1.9	99.3 ± 2.5	98.8 ± 2.3
Incongruent	97.3 ± 3.1	96.9 ± 3.7	96.9 ± 3.6	97.1 ± 3.5
Response time (ms)
Congruent	654.1 ± 145.6	668.6 ± 123.2	652.1 ± 127.7	625.9 ± 117.7
Incongruent	768.0 ± 121.5	742.6 ± 137.4	716.2 ± 133.6	710.6 ± 125.9
N-back
Accuracy (%)
0-back	97.6 ± 3.8	98.4 ± 2.2	99.2 ± 1.5	98.5 ± 2.7
1-back	96.4 ± 6.9	96.9 ± 5.3	96.2 ± 4.2	98.1 ± 2.4
2-back	78.1 ± 5.5	83.0 ± 8.2	74.9 ± 4.5	74.0 ± 6.0
Response time (ms)
0-back	743.2 ± 112.2	753.8 ± 144.3	728.1 ± 104.4	782.4 ± 140.2
1-back	804.4 ± 146.2	792.3 ± 120.3	781.1± 135.2	770.6 ± 125.1
2-back	1163.1 ± 635.7	1064.9 ± 400.7	1082.9 ± 369.0	1043.7 ± 325.2
More-odd shifting
Accuracy (%)
More-trials	97.0 ± 3.0	98.4 ± 1.8	97.7 ± 2.8	97.9 ± 2.6
Odd-trials	96.2 ± 4.1	96.0 ± 4.4	95.7 ± 4.4	95.6 ± 3.8
Mixed trials	95.8 ± 3.7	96.1 ± 2.8	96.5 ± 4.0	95.1 ± 3.1
Response time (ms)
More-trials	658.4 ± 118.6	663.9 ± 94.3	646.2 ± 93.6	623.5 ± 94.0
Odd-trials	795.0 ± 172.5	749.7 ± 144.6	740.0 ± 129.4	703.1 ± 100.2
Mixed trials	1060.7 ± 278.4	1052.3 ± 233.9	1008.5 ± 213.4	1006.7 ± 288.6