Table 3.
Comparison of prenatal characteristics between ASD and TD children.
| Prenatal characteristics | Total | ASD N (%) | TD N (%) | p-value |
|---|---|---|---|---|
| Pregnancy-related factors | ||||
| Smoking | 17 (16.5) | 10 (19.2) | 7 (13.7) | 0.452 |
| Disease during pregnancy | 32 (31.1) | 19 (36.5) | 13 (25.5) | 0.226 |
| Prenatal supplements intake | 88 (85.4) | 39 (75.0) | 49 (96.1) | 0.002 |
| Folic acid intake before pregnancy | 29 (28.2) | 9 (17.3) | 20 (39.2) | 0.013 |
| Type of delivery | ||||
| Normal | 60 (58.3) | 23 (44.2) | 37 (72.5) | 0.004 |
| Cesarean | 43 (41.7) | 29 (55.8) | 14 (27.5) | |
ASD, autism spectrum disorder; TD, typically developing children.
Significant difference at p < 0.05. Chi-square (χ2) test.