Table 2 Linear mixed effects conducted to assess changes related to radial error and bivariate variable error.

From: Leveraging the effector independent nature of motor imagery when it is paired with physical practice

Predictors

Radial error (cm)

Bivariate variable error (cm)

Estimates

CI

p

Estimates

CI

p

(Intercept)

12.87

8.52–17.23

 < 0.001

11.71

7.23–16.19

 < 0.001

MIP-PP group

 − 0.43

 − 2.38–1.52

0.667

0.05

 − 2.31–2.42

0.964

PP-MIP group

 − 0.80

 − 2.78–1.18

0.428

 − 0.21

 − 2.60–2.18

0.862

Day 5

 − 3.19

 − 4.28 to  −2.10

 < 0.001

 − 3.47

 − 5.27 to  −1.68

 < 0.001

Day 6

 − 1.58

 − 2.67 to  −0.49

0.004

 − 0.81

 − 2.60–0.99

0.378

Day 10

 − 3.07

 − 4.16 to  −1.98

 < 0.001

 − 3.26

 − 5.05 to  −1.47

 < 0.001

Male

 − 2.26

 − 3.86 to  −0.66

0.006

 − 2.47

 − 4.09 to  −0.84

0.003

Age

 − 0.13

 − 0.31–0.05

0.168

 − 0.06

 − 0.24–0.12

0.534

MIP-PP group * Day 5

3.41

1.79–5.04

 < 0.001

2.36

 − 0.30–5.03

0.083

PP-MIP group * Day 5

1.10

 − 0.55–2.74

0.191

0.00

 − 2.66–2.67

0.999

MIP-PP group * Day 6

1.23

 − 0.39–2.86

0.137

 − 0.58

 − 3.25–2.08

0.668

PP-MIP group * Day 6

 − 0.83

 − 2.47–0.81

0.322

 − 2.41

 − 5.08–0.25

0.076

MIP-PP group * Day 10

0.59

 − 1.04–2.21

0.478

0.12

 − 2.55–2.79

0.930

PP-MIP group * Day 10

1.63

 − 0.01–3.28

0.051

0.98

 − 1.69–3.64

0.473

Random effects

σ2

30.48

  

5.58

  

τ00participantNum

3.75

  

2.96

  

ICC

0.11

  

0.35

  

NparticipantNum

36

  

36

  

Observations

2091

  

143

  

Marginal R2 /Conditional R2

0.076/0.177

  

0.283/0.532

  
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