Table 4 Frontal 3–36 months EEG power models

From: Longitudinal EEG power in the first postnatal year differentiates autism outcomes

Parameters

ASD vs. HRA− B coefficient (SE) p value

ASD vs. LRC

B coefficient (SE) p value

HRA- vs. LRC

B coefficient (SE) p value

Model intercept

−11.27 (4.25)

0.008

0.47 (7.39)

0.95

11.03 (3.43)

0.001

Sex

1.05 (1.05)

0.138

Parental Education 1

1.29 (0.92)

0.162

−1.4 (1.27)

1.27

−1.78 (0.86)

0.038

Parental Education 2

−0.62 (0.85)

0.465

−2.72 (1.24)

0.028

−2.06 (0.76)

0.007

6-month Intercept

Delta

8.17 (10.9)

0.454

11.99 (13.91)

0.389

Theta

9.44 (12.22)

0.44

−15.63 (15.82)

0.323

−1.83 (3.21)

0.57

Low Alpha

−16.48 (6.75)

0.015

7.71 (8.9)

0.386

High Alpha

16.46 (5.77)

0.004

2.16 (11.64)

0.852

−5.36 (4.35)

0.218

Beta

0.68 (8.45)

0.936

−1.44 (3.01)

0.633

Gamma

−7.34 (3.34)

0.028

−7.77 (5.88)

0.186

Slope 3–36 months

Delta

74.03 (74.03)

0.031

83.66 (50.61)

0.098

9.35 (5.64)

0.097

Theta

−39.15 (−39.15)

0.221

−121.48 (65.78)

0.065

17.9 (13.17)

0.174

Low Alpha

−20.6 (8.2)

0.012

74.56 (37.72)

0.048

High Alpha

−59.94 (44.13)

0.174

−25.01 (13.67)

0.067

Beta

7.4 (5.34)

0.166

71.93 (29.12)

0.014

36.07 (14.95)

0.016

Gamma

−10.64 (4.92)

0.031

−24.7 (11.23)

0.028

Intercept × Slope

Delta

−56.39 (26.88)

0.036

−54.61 (37.77)

0.148

Theta

56.61 (27.9)

0.042

95.13 (52.8)

0.072

−23.54 (9.97)

0.018

Low Alpha

−55.91 (27.5)

0.042

High Alpha

47.25 (36.4)

0.194

25.74 (13.33)

0.053

Beta

−46.04 (18.58)

0.013

−28.13 (11.16)

0.012

Gamma

15.94 (8.79)

0.07

  1. SE standard error; bold values indicate statistically significant parameters (determined by Student’s t test) within each model at the level of p < 0.05