All cases n = 346 | Infected before pregnancy n = 173 | Possibly infected during pregnancy n = 80 | Certainly infected during pregnancy n = 93 | |||||
---|---|---|---|---|---|---|---|---|
Maternal age in years; mean (SD) | 29.6 (5.3) | 29.8 (5.3) | 29.02 (5.1) | 29.6 (5.4) | ||||
Parity (n & %) | ||||||||
P0 | 166 | 49.7 | 82 | 48.8 | 42 | 52.5 | 42 | 48.8 |
P ≥ 1 | 168 | 50.3 | 86 | 51.2 | 38 | 47.5 | 44 | 51.2 |
Missing information | 12 | 5 | 7 | |||||
Nationality (n & %) | ||||||||
Norwegian | 281 | 81.2 | 143 | 82.7 | 63 | 78.8 | 75 | 80.6 |
Northern Europe/Northern America | 12 | 3.5 | 6 | 3.5 | 2 | 2.5 | 4 | 4.3 |
Other | 53 | 15.3 | 24 | 13.8 | 15 | 18.8 | 14 | 15.1 |