Table 3.
Descriptive statistics for children in the highest and lowest quartiles on the CASI-Anxiety scale
| Frequency (%) | High anxiety (N=107) | Low anxiety (N=110) | |||
|---|---|---|---|---|---|
| IQ <70 (%) | 36 (35%) | 62 (61%) | |||
| Verbal (%) | 96 (90%) | 70 (64%) | |||
| Male (%) | 95 (89%) | 91 (83%) | |||
|
| |||||
| Scale | Mean (sd) | t statistic | p value | ||
|
| |||||
| Aberrant Behavior Checklist | Irritability | 25.42 (10.75) | 16.26 (10.04) | 6.40 | <0.01** |
| Social Withdrawal | 16.63 (9.25) | 11.17 (7.27) | 4.77 | <0.01** | |
| Stereotypy | 9.22 (5.35) | 7.61 (4.97) | 2.29 | 0.02* | |
| Hyperactivity | 33.30 (12.19) | 25.75 (11.62) | 4.60 | <0.01** | |
| Inappropriate Speech | 7.73 (3.27) | 4.25 (3.69) | 7.24 | <0.01** | |
|
| |||||
| Vineland Adaptive Behavior Scores | Communication | 61.97 (21.61) | 52.46 (22.15) | 3.19 | <0.01** |
| Daily Living | 50.39 (21.04) | 43.50 (20.78) | 2.41 | 0.02* | |
| Socialization | 59.87 (15.96) | 53.91 (15.19) | 2.80 | <0.01** | |
|
| |||||
| CYBOCS-PDD | 15.11 (2.60) | 14.61 (2.78) | 1.36 | 0.18 | |
|
| |||||
| CASI | PDD scale | 23.48 (7.63) | 19.61 (8.09) | 3.58 | <0.01** |
**
p<0.01;
*
p<0.05