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Table 2 Daily physical activity as a function of morning fatigue

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

Fixed effects

ACC (N = 525)

IG (N = 525)

MVPA (N = 631)

β (SE)

p-value

β (SE)

p-value

β (SE)

p-value

(Intercept)

79.01 (15.17)

 

0.55 (0.49)

 

233.8 (31.5)

 

Fatigue

21.24 (6.76)

0.002

0.67 (0.28)

0.017

−3.2 (1.0)

0.002

Age

−0.74 (0.19)

< 0.001

− 0.03 (0.01)

< 0.001

−2.6 (0.5)

< 0.001

BMI

−0.09 (0.37)

0.818

−0.03 (0.01)

0.005

NA

NA

Fatigue*Age

−0.24 (0.08)

0.004

−0.01 (0.00)

0.013

NA

NA

Fatigue*BMI

−0.23 (0.09)

0.012

NA

NA

NA

NA

  1. The asterisk (*) signifies an interaction between variables. 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, BMI body mass index, NA not assessed, i.e., the covariate was not included in the final model