Table 1 A regression model of primary and secondary outcome measures post-treatment (t1) and at a 3-week follow-up (t2), while covarying for baseline scores.

From: Transcranial random noise stimulation combined with cognitive training for treating ADHD: a randomized, sham-controlled clinical trial

 

Beta weights (standardized)

Std error

DF

t value

P value

Clinical symptoms (ADHD-RS)

Intercept

−0.34

0.27

22

1.23

0.0078**

Baseline score

0.66

0.15

20

4.53

0.0002***

Treatment

−0.61

0.29

20

−2.11

0.047*

Time

−0.15

0.12

22

−1.25

0.22

Sleep Index total score

Intercept

−0.44

0.413

20

−1.07

0.3

Baseline score

0.12

0.06

19

1.87

0.08

Treatment

0.48

0.24

19

2

0.059

Time

−0.14

0.23

20

−0.62

0.54

Sleep Onset Latency score

Intercept

−0.67

0.38

22

−1.78

0.9

Baseline score

0.31

0.16

20

1.92

0.07

Treatment

0.66

0.28

20

2.37

0.02*

Time

0.11

0.21

22

0.56

0.58

Wake-Up score

Intercept

−0.33

0.4

22

−0.82

0.42

Baseline score

0.23

0.17

20

1.36

0.19

Treatment

0.6

0.28

20

2.13

0.046*

Time

−0.12

0.22

22

−0.56

0.58

RS-EEG measures periodic Beta bandwidth

Intercept

0.75

0.28

56

2.72

0.009**

Baseline

0.06

0.09

56

0.69

0.5

Treatment

−0.55

0.18

56

−3.03

0.004**

Time

−0.33

0.16

56

−2.05

0.04*

Aperiodic exponent (Fz)

Intercept

0.71

0.26

21

2.74

0.01*

Baseline

0.58

0.17

20

3.41

0.002**

Treatment

−0.11

0.06

20

−1.99

0.06

Time

−0.02

0.04

21

−0.6

0.55

  1. Std standard, DF degrees of freedom.
  2. *p < 0.05; **p < 0.005; ***p < 0.0005.
  3. Bold values indicate significant differences at a level of p < .05.