Morning fatigue and structured exercise interact to affect non-exercise physical activity of fit and healthy older adults

Table 3 Physical activity in the second half of the day as a function of participation in a training session earlier that day

Fixed effects	ACC (N = 1219)		IG (N = 1219)		MVPA (N = 1298)
Fixed effects	β (SE)	p-value	β (SE)	p-value	β (SE)	p-value
(Intercept)	63.38 (13.98)		0.10 (0.46)		90.9 (17.7)
Session	NA	NA	−0.14 (0.05)	0.009	−3.7 (1.9)	0.049
Age	−0.61 (0.20)	0.006	−0.04 (0.01)	< 0.001	−1.0 (0.3)	< 0.001
Day of the week	NA	NA		0.015		0.016

N is the number of days entering the individual models. ACC average acceleration in milligravitational units (mg) represents the volume of physical activity, IG intensity gradient represents the intensity of physical activity, MVPA minutes of moderate to vigorous physical activity, NA not assessed, i.e., the covariate was not included in the final model

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