Characteristics | Crude RR | 95% CI | Adjusted RR* | 95% CI |
---|---|---|---|---|
Citizenship | Â | Â | Â | Â |
Italian | 1.00 | - | 1.00 | - |
Immigrant^ | 1.67 | 1.54-1.80 | 1.51 | 1.39-1.63 |
 Geographical Area |  |  |  |  |
 Central and Eastern Europe (n = 639) | 1.74 | 1.52-1.98 | 1.55 | 1.36-1.77 |
 Asia (n = 695) | 1.26 | 1.11-1.44 | 1.10 | 0.96-1.25 |
 Northern Africa (n = 735) | 1.77 | 1.57-2.00 | 1.60 | 1.42-1.81 |
 Sub-Saharan Africa (n = 223) | 2.31 | 1.89-2.83 | 2.12 | 1.75-2.59 |
 Latin America (n = 91) | 1.86 | 1.34-2.59 | 1.86 | 1.36-2.54 |
Mother’s educational level |  |  |  |  |
high | 1.00 | - | 1.00 | - |
medium | 1.13 | 1.02-1.25 | 1.09 | 0.99-1.21 |
low | 1.71 | 1.54-1.90 | 1.51 | 1.36-1.68 |
trend | p § < 0.001 |  | p § < 0.001 |  |
Age at delivery | Â | Â | Â | Â |
age <25 | 1.61 | 1.38-1.88 | 1.23 | 1.06-1.44 |
age 25-34 | 1.00 | - | 1.00 | - |
age > =35 | 0.98 | 0.90-1.06 | 1.03 | 0.95-1.11 |
Child gender | Â | Â | Â | Â |
Male | 1.00 | - | 1.00 | - |
Female | 0.88 | 0.82-0.95 | 0.89 | 0.82-0.95 |
Previous live birth | Â | Â | Â | Â |
None | 1.00 | - | 1.00 | - |
At least one | 0.86 | 0.80-0.92 | 0.80 | 0.75-0.87 |
Likelihood-ratio test for alpha = 0 | - | - | p < 0.001 |  |
Vuong test |  |  | p = 0.099 |  |