Table 1.
Women’s socio-demographic and clinical characteristics
| Number | Percent | ||
|---|---|---|---|
| Age at delivery (years) | <=24 | 13,483 | 7.1 |
| 25-29 | 36,524 | 19.2 | |
| 30-34 | 67,665 | 35.6 | |
| 35-39 | 56,622 | 29.8 | |
| > = 40 | 15,629 | 8.2 | |
| Nationality | Italian | 170,161 | 89.6 |
| Other | 19,762 | 10.4 | |
| Level of educationa | None or Elementary school (<=5 years) | 9777 | 5.1 |
| Middle school (8 years) | 42,535 | 22.4 | |
| High school (12-13 years) | 97,271 | 51.2 | |
| Bachelor degree (> 13 years) | 39,309 | 20.7 | |
| Gestagional age | Preterm (< 37 weeks) | 13,289 | 7.0 |
| Full-term (37 e 42 weeks) | 176,103 | 92.7 | |
| Post-term (> 42 weeks) | 531 | 0.3 | |
| Paritya | 0 | 116,144 | 61.1 |
| 1 | 58,587 | 30.8 | |
| ≥2 | 15,175 | 8.0 |
aThe percentages may not sum 100% due to missing data