Table 5. Intercepts and Slopes of Functional Skill Trajectories by Autism Severity Trajectory Class.
Persistent High (n = 47) |
Persistent Moderate (n = 54) |
Worsening (n = 10) |
Improving (n = 18) |
|
---|---|---|---|---|
Mullen Developmental Quotient | ||||
Intercept | 70.79 | 76.46 | 84.31 | 83.18 |
Slope | −1.11 | 0.29 | 0.18 | 1.02 |
Vineland-II Daily Living Skills Standard Score |
||||
Intercept | 76.28 | 82.97 | 83.08 | 84.76 |
Slope | −0.89 | −0.44 | 0.49 | 0.56 |
PLS-4 Auditory Comprehension Standard Score |
||||
Intercept | 56.64 | 58.15 | 67.24 | 65.97 |
Slope | 3.66 | 6.88 | 12.78 | 10.93 |
PLS-4 Expressive Communication Standard Score |
||||
Intercept | 69.58 | 71.61 | 72.52 | 74.84 |
Slope | −2.04 | 1.64 | 8.29 | 8.20 |
Note. PLS-4 indicates the Preschool Language Scale, 4th Edition.