Table 1.
Descriptive Statistics for all Variables Included in Exploratory Structural Equation Model and Child Age.
| ASD | Nonspectrum | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| n | Mean | SD | n | Mean | SD | |
|
| ||||||
| Age in Years | 184 | 3.60 | 1.05 | 215 | 3.20 | 1.18 |
| Vineland Adaptive Behavior Scales | ||||||
| Communication Standard Score | 184 | 72.18 | 13.73 | 215 | 91.70 | 16.75 |
| Daily Living Standard Score | 184 | 71.85 | 10.96 | 215 | 89.07 | 14.59 |
| Socialization Standard Score | 184 | 70.11 | 8.58 | 215 | 90.51 | 13.12 |
| Motor Skills Standard Score | 184 | 79.53 | 10.36 | 215 | 90.13 | 14.62 |
| Peabody Picture Vocabulary Test Standard Score | 56 | 78.27 | 22.45 | 109 | 95.80 | 21.30 |
| Expressive One Word Picture Vocabulary Test Standard Score | 58 | 79.47 | 20.18 | 124 | 94.44 | 21.68 |
| Mullen Scales of Early Learning | ||||||
| Visual Reception T-Score | 176 | 29.24 | 11.26 | 208 | 45.12 | 15.71 |
| Fine Motor T-Score | 176 | 25.09 | 7.85 | 208 | 40.99 | 16.14 |
| Receptive Language T-Score | 176 | 24.78 | 9.26 | 208 | 41.41 | 14.95 |
| Expressive Language T-Score | 176 | 25.00 | 7.75 | 208 | 40.24 | 14.02 |
| Autism Diagnostic Interview | ||||||
| Social Interaction Domain Total Score | 173 | 17.16 | 5.00 | 118 | 7.07 | 5.88 |
| Communication Domain Total Score | 173 | 10.14 | 3.00 | 118 | 4.78 | 3.67 |
| Restricted and Repetitive Behavior Domain Total Score | 173 | 4.40 | 1.91 | 118 | 2.32 | 2.02 |
| Social Communication Questionnaire Total Score | 154 | 19.41 | 5.56 | 164 | 9.16 | 6.65 |
| Repetitive Behavior Scales-Revised Total Score | 144 | 21.97 | 13.95 | 156 | 10.29 | 12.20 |
| Autism Diagnostic Observation Schedule | ||||||
| Social Affect CSS Score | 176 | 6.45 | 1.75 | 168 | 1.91 | 1.13 |
| Restricted and Repetitive Behavior CSS Score | 176 | 8.14 | 1.76 | 168 | 4.28 | 2.64 |
| Communication and Symbolic Behavior Scales Caregiver Questionnaire | ||||||
| Social Total Score | 119 | 27.31 | 8.09 | 133 | 38.62 | 8.24 |
| Speech Total Score | 119 | 20.50 | 13.21 | 133 | 29.80 | 11.28 |
| Symbolic Total Score | 119 | 27.39 | 13.03 | 133 | 38.91 | 11.47 |
| Child Behavior Checklist | ||||||
| Affect Problems T-score | 137 | 61.76 | 8.96 | 152 | 55.74 | 7.29 |
| Anxiety Problems T-score | 137 | 55.64 | 8.24 | 152 | 54.14 | 7.28 |
| Hyperactivity Problems T-score | 137 | 60.07 | 8.04 | 152 | 55.37 | 6.54 |
| Oppositional Defiant Problems T-score | 137 | 56.34 | 8.08 | 152 | 55.14 | 7.65 |
| Emotionally Reactive T-score | 137 | 57.55 | 8.69 | 152 | 55.01 | 7.41 |
| Sleep Problems T-score | 137 | 59.23 | 10.55 | 152 | 55.36 | 7.31 |
| Pervasive Developmental Problems T-score | 137 | 71.88 | 8.77 | 152 | 60.10 | 10.59 |