Table 1 Sample demographics.
From: Paternal age increases the risk for autism in an Iranian population sample
|
Children with autism spectrum disorder (N= 179) |
Comparison cohort (N= 549,354) | p-value | |
|---|---|---|---|
| Mean paternal age | 33.3 | 32.0 | 0.542 |
| Mean maternal age | 27.5 | 26.9 | 0.126 |
| Paternal education | |||
| College graduate + (%) | 35.6 | 10.9 | 0.000 |
| < High school (%) | 34.6 | 61.3 | |
| Maternal education | |||
| College graduate + (%) | 30.7 | 7.3 | 0.000 |
| < High school (%) | 35.4 | 64.4 | |
| Birth order | |||
| First born (%) | 55.3 | 43.6 | 0.003 |
| Sex | |||
| Male (%) | 79.9 | 51.6 | 0.000 |
| Consanguinity (%) | |||
| Related parents | 32.4 | 30.4 | 0.573 |
| Urban/rural | |||
| Urban (%) | 97 | 79 | 0.000 |