Table 2.

Predictors of Objective and Perceived Fatigability (N = 48)^a

	Objective fatigabilityb (Response time)			Perceived fatigabilityb (Self-report fatigue)
Psychological factor	Session	Factor	Factor × session	Session	Factor	Factor × session
Subjective chronic fatigue	0.005 (0.005), p = .26	−0.050 (0.062), p = .42	0 (0.002), p = .81	5.26, p = .027	30.38, p < .001	0.08, p = .78
Executive control	0.006 (0.001), p < .001	0.121 (0.091), p = .18	−0.004 (0.002), p = .046	3.26, p = .08	3.12, p = .08	0.64, p = .43
Depressive symptom	0.004 (0.002), p = .11	0.008 (0.105), p = .94	−0.001 (0.003), p = .80	5.01, p = .030	5.47, p = .024	0.61, p = .44
Physiological factor
Vascular risk = 1 (vascular risk > 1 as reference)	0.007 (0.002), p < .001	0.021 (0.101), p = .83	−0.002 (0.003), p = .56	5.31, p = .026	1.70, p = .20	1.06 p = .31
Sleepiness	0.003 (0.003), p = .27	−0.379 (0.196), p = .06	0.003 (0.003), p = .40	3.59, p = .07	9.27, p = .004	0.43, p = .52
Taking anti-inflammation (not taking anti-inflammation as reference)	0.008 (0.003), p = .008	0.201 (0.098), p = .041	−0.003 (0.003), p = .28	4.98, p = .031	1.69, p = .20	0.20, p = .66
Taking beta-blocker (not taking beta-blocker as reference)	0 (0.004), p = .93	0.198 (0.104), p = .06	0.004 (0.004), p = .35	5.04, p = .030	1.37, p = .39	0.40, p = .53
Situational factor
History of mental activities	0.014 (0.005), p = .009	−0.251 (0.106), p = .018	−0.003 (0.002), p = .024	3.91, p = .05	0.02, p = .90	1.95, p = .17

^aA participant failed to attend the fatigability-manipulation task

^bControlled for age, education, and sex.