Table 1 Participant characteristics of 457 Autistic Children form Autism Genetic Resource Exchange (n = 318 families)
From: Glutathione pathway gene variation and risk of autism spectrum disorders
Count (%) | |
|---|---|
Sibships | 321 (mean 1.67) |
Male | 352 (77.62) |
Race | |
White | 419 (91.68) |
Black | 1 (0.22) |
Unknown | 37 (8.10) |
Ethnicity | |
Non-Hispanic | 380 (83.15) |
Hispanic | 40 (8.75) |
Unknown | 37 (8.10) |
Family type | |
Multiplex | 446 (98.02) |
Simplex | 9 (1.98) |
Zygosity | |
DZ Twin | 33 (7.22) |
Triplet | 6 (1.31) |