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Table 11 Three-Step Regression for Externalizing Behavior – Age, Cognitive Level, and RBS-R

From: Repetitive and restricted behaviors and interests in autism spectrum disorder: relation to individual characteristics and mental health problems

Model

B

SE.B

β

t

R 2

R2

ηp2

1 (Constant)

Age

60.12

− 0.033

0.551

0.005

− 0.132

109.03*

-6.93*

0.017

0.017

0.02

2 (Constant)

Age

Cognitive

level

60.12

− 0.033

0.000

0.552

0.007

0.006

− 0.133

0.001

109.01*

-4.92*

0.03

0.017

0.000

0.01

0.00

3 (Constant)

Age

Cognitive level

R/S

SIB

STER

COMP

REST

53.46

− 0.048

0.016

6.51

6.96

0.99

− 0.55

0.15

0.601

0.006

0.005

0.458

0.560

0.446

0.451

0.282

− 0.195

0.074

0.332

0.235

0.049

− 0.026

0.012

90.60*

-8.53*

2.92

14.22*

12.43*

2.22

-1.22

0.544

0.254

0.236

0.02

0.00

0.07

0.05

0.00

0.00

0.00

 F (7, 2689) = 130.59*

  1. Note. R/S = Ritualistic/Sameness; SIB = Self-Injurious; STER = Stereotypy; COMP = Compulsive; REST = Restricted Interests
  2. * p < .001