Table 1.
Participant demographics and characteristics by treatment group at randomization
| TI (n = 35) M (SD) or % | WL (n = 33) M (SD) or % | t (df) or χ2 | p‐value | |
|---|---|---|---|---|
| Age | ||||
| Child | 9.63 (1.26) | 9.88 (1.29) | −0.81 (66) | .42 |
| Parent | 43.23 (4.54) | 44.65 (3.61) | −1.39 (64) | .17 |
| FSIQ‐2 | 104.23 (14.88) | 101.23 (14.34) | 0.83 (64) | .41 |
| SCQ | 21.69 (4.38) | 19.88 (4.35) | 1.71 (66) | .09 |
| SRS‐2 | 73.40 (9.29) | 73.91 (9.77) | −0.22 (66) | .83 |
| Gender | ||||
| Child (female) | 11.4% | 12.1% | 0.01 | .93 |
| Parent (mothers) | 85.7% | 81.8% | 0.19 | .66 |
| Ethnicity | 0.91 | .34 | ||
| White/Caucasian | 76.7% | 84.6% | ||
| Visible minority | 23.3% | 11.5% | ||
| Prefer not to disclose | 0% | 3.8% | ||
| Psychotropic medication use (Yes) | 40.0% | 27.3% | 1.06 | .30 |
| Parent marital status (married) | 85.7% | 84.8% | 0.01 | .92 |
| Parent graduated from college | 77.1% | 72.7% | 0.73 | .39 |
| Family income (CAD before taxes) | 3.73 | .59 | ||
| <$49,999 | 0% | 3% | ||
| $50,000–$99,999 | 17.1% | 9.1% | ||
| $100,000–$149,999 | 14.3% | 18.2% | ||
| $150,000–$199,999 | 22.9% | 12.1% | ||
| $200,000 or more | 11.4% | 18.2% | ||
| Prefer not to disclose | 20.0% | 15.2% | ||
FSIQ‐2, Wechsler Abbreviated Scale of Intelligence Full Scale IQ – 2 subscales; SCQ, Social Communication Questionnaire‐Lifetime Version; SRS‐2, Social Responsiveness Scale, 2nd Edition.