Table 4 Regression coefficients depicting group membership as a predictor of cardiac autonomic indices

 Intercept

5.87

0.88

6.70

<0.001*

0.18

 Group^a

−0.75

0.37

−2.04

0.046*

 Age

−0.01

0.02

−0.44

0.659

 Medication use

−0.33

0.23

−1.48

0.144

 Parenting stress

<0.01

0.01

0.27

0.785

 Intercept

1.92

<0.01

466.47

<0.001*

0.17

 Group^a

<0.01

<0.01

0.16

0.876

 Age

<0.01

<0.01

2.92

0.005*

 Medication use

<0.01

<0.01

−1.11

0.272

 Parenting stress

<0.01

<0.01

0.47

0.641