Table 1 Baseline characteristics
| Â | Cases (n = 100) | Controls (n = 100) | Â | ||
|---|---|---|---|---|---|
n | Median (IQRa) or % | n | Median (IQR) or % | Pb | |
Mother’s age (years) | 100 | 31 (28–34) | 100 | 30 (26–33) | 0.02 |
Year of blood serum sampling | 100 | 2003 (2001–2005) | 100 | 2002 (1999–2005) | 0.07 |
Month of birth, child | 100 | 7 (4–10) | 100 | 8 (4–10) | 0.50 |
Child sex, boy | 76 | 76% | 78 | 78% | 0.87 |
ASD diagnosis | Â | Â | Â | Â | Â |
Infantile autism (F84.0) | 74 | 74% | Â | Â | Â |
Asperger’s syndrome (F84.5) | 26 | 26% |  |  |  |