Table 1 Demographics
From: Identification of subgroups of children in the Australian Autism Biobank using latent class analysis
| Â | Australian Autism Biobank Cohort | |||
|---|---|---|---|---|
All children on the autism spectrum | Full phenotypic data availablea | |||
N | 1151 | 754 | ||
Child characteristics | ||||
Age in years | ||||
 Mean (SD) | 7.5 (3.9) | 7.5 (3.8) | ||
 Range | 1.9–20.9 | 2.1–20.9 | ||
Sex (n) | ||||
 Male | 900 | 78.2% | 595 | 78.9% |
 Female | 251 | 21.8% | 159 | 21.1% |
Maternal ethnicity (n) | ||||
 Caucasian | 755 | 65.6% | 514 | 68.2% |
 Aboriginal | 7 | 0.6% | 6 | 0.8% |
 Asian | 94 | 8.2% | 68 | 9.0% |
Maori/Pacific | ||||
 Islander | 11 | 1.0% | 8 | 1.1% |
 Other | 74 | 6.4% | 54 | 7.2% |
 Missing | 210 | 18.2% | 104 | 13.8% |
Paternal ethnicity (n) | ||||
 Caucasian | 763 | 66.3% | 525 | 69.6% |
 Aboriginal | 9 | 0.8% | 4 | 0.5% |
 Asian | 85 | 7.4% | 58 | 7.7% |
Maori/Pacific | ||||
 Islander | 10 | 0.9% | 8 | 1.1% |
 Other | 65 | 5.6% | 45 | 6.0% |
 Missing | 219 | 19.0% | 114 | 15.1% |
Overall level of autism-spectrum related symptomsb | ||||
 High | 385 | 33.5% | 259 | 34.4% |
 Moderate | 559 | 48.5% | 374 | 49.6% |
 Low | 125 | 10.9% | 74 | 9.8% |
 Minimal to Nil | 30 | 2.6% | 10 | 1.3% |
 Missing | 52 | 4.5% | 37 | 4.9% |