Table 3.
Multiple regression analysis of the association of demographic and clinical characteristics with developmental delays (ASQ-3 scores less than 2 standard deviations below the population mean)
| Variable | Adjusted odds ratio | 95% CI | P value | |
|---|---|---|---|---|
| Trimester at SARS-CoV-2 infection | 3rd | Reference | ||
| 2nd | 8.1 | 2.4–27.7 | 0.001* | |
| 1st | 8.2 | 1.1–55.9 | 0.039* | |
| Maternal age | 1.04 | 0.96–1.1 | 0.305 | |
| Gestational age at birth | ≤ 31 weeks | 7.7 | 1.4.-45.8 | 0.032* |
| > 31 | Reference | |||
| Maternal education (diploma and above) | 1.8 | 0.59–5.4 | 0.300 | |
| Paternal education (diploma and above) | 0.5 | 0.2–1.3 | 0.172 | |
| Male | 1.6 | 0.68–3.5 | 0.297 | |
| Type of feeding in the first 6 months | Mixed feeding | Reference | ||
| Bottle feeding (formula) | 1.3 | 0.46–3.4 | 0.652 | |
| Breastfeeding (breast milk) | 0.5 | 0.14–1.6 | 0.239 | |
Values are expressed as adjusted odds ratios and 95% confidence intervals (95% CIs)