Table 1.
Demographics and Diagnostic Variables.
| ASD (n = 137) |
TD (n = 102) |
||||||
|---|---|---|---|---|---|---|---|
| N | Proportion | Proportion | 𝜒 2 | p | |||
| Sex: F | 239 | 0.26 (35/137) | 0.43 (44/102) | 8.182 | <0.01 | ||
| Race | 239 | 9.542 | 0.01 | ||||
| Caucasian | 0.87 (89/102) | 0.81 (111/137) | |||||
| Black | 0.02 (2/102) | 0.12 (17/137) | |||||
| Mixed Race | 0.11 (11/102) | 0.07 (9/137) | |||||
| N | M | SD | M | SD | F | p | |
| IQ | 237 | 100.91 | 20.77 | 117.37 | 13.83 | 43.433 | <0.01 |
| SCQ | 236 | 17.36 | 8.34 | 2.51 | 2.68 | 287.513 | <0.01 |
| ADOS Total | 137 | 12.57 | 4.58 | -- | -- | -- | -- |
| BMI (Percentile) | 235 | 65.36 | 31.19 | 55.43 | 31.29 | 6.493 | 0.01 |
| SES Education | 230 | 3.73 | 1.37 | 4.64 | 1.31 | 25.893 | <0.01 |
N is the number of non-missing value.
1
Kruskal-Wallis.
2
Pearson.
3
Wilcoxon.
Note. ASD, Autism spectrum disorder; TD, Typical development; F, Female; IQ, Intelligence Quotient; SCQ, Social Communication Questionnaire; ADOS, Autism Diagnostic Observation Schedule; BMI, Body Mass Index; SES, Socioeconomic Status. BMI Percentile defined as age- and sex-adjusted percentile according to CDC guidelines (https://www.cdc.gov/healthyweight/bmi/calculator.html).