Table 4.
Hierarchical regression results predicting anger rumination in the total sample
| Variable | B | SE B | β | p |
|---|---|---|---|---|
| Step 1. F1,184 = 2.27, p = .134; adjusted R2= .007, R2 change = .01, p = .134 | ||||
| Constant | 35.09 | 0.83 | ||
| Gender | − 2.28 | 1.52 | − 0.11 | .134 |
| Step 2. F2,183 = 1.14 p = .322; adjusted R2= .001, R2 change = 0, p = .886 | ||||
| Constant | 35.01 | 0.99 | ||
| Gender | − 2.27 | 1.52 | − 0.11 | .139 |
| ASD diagnosis | 0.21 | 1.48 | 0.01 | .886 |
| Step 3. F3,182 = 3.83, p = .011; adjusted R2= .044, R2 change = .047, p = .003 | ||||
| Constant | 34.69 | 0.98 | ||
| Gender | − 2.07 | 1.49 | − 0.10 | .169 |
| ASD diagnosis | 0.97 | 1.47 | 0.05 | .509 |
| RPQ aggression total score | 0.22 | 0.07 | 0.22 | .003 |
| Step 4. F4,181 = 3.04, p = .019; adjusted R2= .042, R2 change = .004, p = .412 | ||||
| Constant | 35.13 | 1.11 | ||
| Gender | − 2.01 | 1.499 | − 0.09 | .181 |
| ASD diagnosis | − 0.37 | 2.194 | − 0.02 | .867 |
| RPQ aggression total score | 0.17 | 0.09 | 0.17 | .073 |
| SRS-2 RRB score | 0.11 | 0.13 | 0.09 | .412 |
| Step 5. F6,179 = 2.82, p = .012; adjusted R2= .056, R2 change = .023, p = .106 | ||||
| Constant | 34.24 | 1.18 | ||
| Gender | − 2.08 | 1.49 | − 0.10 | .165 |
| ASD diagnosis | − 2.46 | 2.41 | − 0.12 | .308 |
| RPQ aggression total score | 0.27 | 0.11 | 0.27 | .016 |
| SRS-2 RRB score | − 0.12 | 0.17 | − 0.09 | .511 |
| ASD diagnosis × RPQ aggression total score | − 0.29 | 0.22 | − 0.15 | .174 |
| ASD diagnosis × SRS-2 RRB score | 0.60 | 0.28 | 0.32 | .034 |
Significant results are indicated in bold. ASD diagnosis variable represents children in the total sample with a diagnosis of ASD based on the ADOS-2 and ADI-R. Continuous variables are centered to the mean
ASD, autism spectrum disorder; RPQ, reactive–proactive aggression questionnaire; SRS-2 RRB, social responsiveness scale-second edition restricted and repetitive behaviors scale