Table 3.

Effect of time on the M-VAS measurements in both conditions.

Mental Fatigue				Control
M-VAS	Mean Diff.	95% CI	p	M-VAS	Mean Diff.	95% CI	p
1 ↔ 2	−5.0	[−18.4; 8.6]	1.000	1 ↔ 2	−1.2	[−17.0; 14.6]	1.000
1 ↔ 3	−7.2	[−25.0; 10.6]	1.000	1 ↔ 3	−7.4	[−30.1; 15.4]	1.000
1 ↔ 4	−34.3	[−57.0; −11.6]	0.002 *	1 ↔ 4	−3.3	[−24.8; 18.3]	1.000
1 ↔ 5	−45.6	[−67.8; −23.5]	<0.001 *	1 ↔ 5	−6.3	[−28.4; 15.8]	1.000
1 ↔ 6	−55.0	[−78.4; −31.6]	<0.001 *	1 ↔ 6	−12.8	[−30.3; 4.7]	0.340
1 ↔ 7	−61.5	[−83.7; −39.2]	<0.001 *	1 ↔ 7	−17.5	[−36.7; 1.8]	0.094
1 ↔ 8	−47.4	[−73.8; −20.9]	0.001 *	1 ↔ 8	−20.8	[−40.9; −0.8]	0.038 *
1 ↔ 9	−38.9	[−66.8; −11.1]	0.004 *	1 ↔ 9	−24.8	[−49.5; −0.1]	0.049 *

* = significant difference between time point 1 and the present time point.