Table 2.
Demographic data of children within studied ASD subgroups.
| GIIIa N = 21 | GIIIb N = 12 | GIIIc N = 12 | p-values | |||
|---|---|---|---|---|---|---|
| GIIIa vs GIIIb | GIIIa vs GIIIc | GIIIb vs GIIIc | ||||
| Age of sampling (years) | ||||||
| Range | 7–10 | 5–9 | 4–6 | 0.053 | 0.001* | 0.01* |
| Mean ± SD | 8.5 ± 1.1 | 7.2 ± 2.1 | 5.5 ± 1.7 | |||
| Age of diagnosis (years) | ||||||
| Range | 4–5 | 4–5 | 3–5 | 0.6 | 0.003* | 0.03* |
| Mean ± SD | 4.7 ± 0.5 | 4.1 ± 0.7 | 3.1 ± 0.9 | |||
| Sex (%) | ||||||
| Male | 14(66.7%) | 8(66.7%) | 10(83.3%) | 0.7 | 0.5 | 0.6 |
| Female | 7(33.3%) | 4(33.3%) | 2(16.7%) | |||
| Siblings (%) | ||||||
| No | 19(90.5%) | 7(58.3%) | 2(16.7%) | 0.08 | 0.001* | 0.09 |
| Yes | 2(9.5%) | 5(41.7%) | 10(83.3%) | |||
| Age of mother (years) | ||||||
| At time of childbirth | ||||||
| Range | 24–38 | 28–40 | 30–44 | 0.007* | 0.001* | 0.08 |
| Mean ± SD | 29.8 ± 4.1 | 33.9 ± 3.6 | 36.7 ± 4.1 | |||
| Age of father (years) | ||||||
| At time of childbirth | ||||||
| Range | 29–43 | 35–47 | 38–52 | 0.002* | 0.001* | 0.09 |
| Mean ± SD | 35.4 ± 4.03 | 40.4 ± 3.7 | 43.3 ± 4.5 | |||
GIIIa; mild autism spectrum disorder, GIIIb; moderate autism spectrum disorder, GIIIc; severe autism spectrum disorder, N; number, SD; standard deviation, *p-value < 0.05 = significant.