Table 4.
Parameter estimates (standard errors) for the mixed-effects regression models predicting T1 and T2 scores
| ADOS Severity Score |
Vineland Communication Score |
CBCL Externalizing |
CBCL Internalizing |
|
|---|---|---|---|---|
|
| ||||
| Model term | ||||
| Estimated trajectory for High Challenges group | ||||
|
| ||||
| Baseline (T1) | 8.15 (0.34)*** | 63.36 (2.56)*** | 55.60 (2.04)*** | 61.38 (1.72)*** |
| Time effect (T2-T1) difference) | −0.15 (0.35) | −6.74 (2.87)* | 0.70 (2.42) | −3.84 (1.15)** |
|
| ||||
| Estimated difference between Stable Low and High Challenges groups | ||||
|
| ||||
| Baseline (T1) | −0.93 (0.53) | 10.36 (3.94)** | 6.59 (3.20)* | 0.60 (2.55) |
| Time effect (T2-T1) difference) | 0.90 (0.55) | 15.60 (4.56)*** | −4.58 (3.79) | – |
|
| ||||
| Estimated difference between Changers and High Challenges groups | ||||
|
| ||||
| Baseline (T1) | −1.13 (0.44)* | 14.46 (3.30)*** | 5.96 (2.68)* | 0.87 (2.15) |
| Time effect (T2-T1) difference) | −0.49 (0.46) | 19.53 (3.77)*** | −8.92 (3.16)** | – |
|
| ||||
| Estimated difference between Lesser Challenges and High Challenges groups | ||||
|
| ||||
| Baseline (T1) | −1.34 (0.50)** | 24.50 (3.68)*** | 1.22 (2.98) | 2.67 (2.39) |
| Time effect (T2-T1) difference) | −1.61 (0.52)** | 14.09 (4.14)*** | −2.57 (3.52) | – |
Note:
*
p < .05,
**
p < .01,
***
p < .001.
ADOS = Autism Diagnostic Observation Schedule; CBCL = Child Behavior Checklist