Table 3 Results of linear mixed-effects models with the final model addressing the convergence and singularity problems.

From: The effect of low-intensity exercise on emotional and cognitive engagement in the classroom

 

Vigour

Fatigue

Depression

Interest

Sleep frequency

Mind-wandering

B

t

P value

B

t

P value

B

t

P value

B

t

P value

B

t

P value

B

t

p value

Intercept

2.85

43.38

0.00

2.72

37.87

0.00

1.54

29.41

0.00

5.16

69.84

0.00

0.30

5.62

0.00

3.77

28.34

0.00

Condition

0.10

3.85

0.00

−0.09

−2.61

0.01

−0.04

−1.77

0.08

0.04

1.61

0.11

−0.06

−1.40

0.20

−0.05

−0.79

0.43

Time

−0.02

−1.70

0.09

0.00

0.03

0.97

−0.01

−1.33

0.19

−0.06

−4.82

0.00

0.02

1.08

0.32

−0.01

−0.36

0.72

  1. Note. The code of the condition was exercise condition = 1 and control condition = −1. P value = two-tailed P value.