TABLE 3.

Linear model for associations of physical activity (PA) with Δ-fatigue (model 1) and for associations of PA and psychostimulant use (model 2). Model 2 included all covariates shown for Model 1.

		Δ-Fatigue
		B		95%CI	P
Model 1	Intercept	−1.506	0.703	−2.885 – −0.128	0.032
	Age	−0.003	0.005	−0.013 – 0.007	0.59
	Sex1	0.654	0.300	0.066 – 1.241	0.029
	Race2	−0.034	0.334	−0.689 – 0.621	0.92
	BMI	0.017	0.022	−0.025 – 0.059	0.42
	PA	−0.785	0.300	−1.374 - −0.197	0.009
Model 2	Stimulant start 3	−0.858	0.321	−1.487 – −0.229	0.008
	PA	−0.692	0.298	−1.275 – −0.109	0.020

¹female is reference

²Caucasian is reference

³No change in stimulant use is reference.