Table 8.

Model‐adjusted mean ability scores, differences in means, 95% CIs and P values by time of observation

Activity	Time (days)	Mean ability score	95% CI mean ability scores	P value *	Contrasts	Mean differences in mean ability scores	P value †
Walking on a flat surface	0	26.46	22.81 to 30.10	0.005	0 versus 30	4.43	0.004
	30	22.03	18.56 to 25.50		0 versus 120	4.05	0.17
	120	22.41	17.48 to 27.33		30 versus 120	−0.38	0.98
Jogging on a flat surface	0	26.57	22.36 to 30.79	0.006	0 versus 30	4.97	0.004
	30	21.60	17.69 to 25.52		0 versus 120	2.94	0.58
	120	23.63	17.27 to 30.00		30 versus 120	−2.03	0.75
Sitting/lying	0	17.74	14.82 to 21.08	<0.001	0 versus 30	5.11	<0.001
	30	12.63	10.26 to 15.46		0 versus 120	6.78	<0.001
	120	10.96	8.14 to 14.62		30 versus 120	1.67	0.49
Walking up stairs	0	24.50	21.28 to 28.03	0.003	0 versus 30	2.50	0.25
	30	22.00	18.90 to 25.45		0 versus 120	10.22	0.003
	120	14.28	9.94 to 20.08		30 versus 120	7.72	0.025
Walking down stairs	0	18.86	15.98 to 22.13	0.03	0 versus 30	2.95	0.023
	30	15.91	13.24 to 19.00		0 versus 120	1.20	0.86
	120	17.66	13.26 to 23.14		30 versus 120	−1.75	0.69

CI Confidence intervals

^* Overall significance test (F test)

^† P values represent Tukey–Kramer's adjustment for multiple comparisons. P values <0.05 represent statistically significant differences in ability scores between times