Table 1 Baseline characteristics by congenital disease status of 939,678 births in 551,119 women. Denmark, 1997–2014
Maternal congenital heart disease | ||||||||
|---|---|---|---|---|---|---|---|---|
No | Simple | Moderate | Complex | |||||
na | (%) | na | (%) | na | (%) | na | (%) | |
Maternal age (years) | 935,959 | 2242 | 1093 | 384 | ||||
< 25 | 12.6 | 20.0 | 15.7 | 19.3 | ||||
25–29 | 33.8 | 32.9 | 36.2 | 35.1 | ||||
30–34 | 36.1 | 33.4 | 34.1 | 34.1 | ||||
≥35 | 17.5 | 13.7 | 14.0 | 11.5 | ||||
Parity | 922,147 | 2210 | 1075 | 381 | ||||
Nulli | 43.9 | 48.5 | 48.6 | 45.1 | ||||
Primi | 38.7 | 36.3 | 36.8 | 35.2 | ||||
Multi | 17.4 | 15.2 | 14.6 | 19.7 | ||||
Maternal ethnicity | 935,959 | 2242 | 1093 | 384 | ||||
Western | 98.7 | 97.8 | 98.9 | 96.4 | ||||
Non-western | 1.3 | 2.2 | 1.1 | 3.6 | ||||
Maternal educational level | 923,832 | 2210 | 1078 | 375 | ||||
Low | 19.1 | 27.1 | 22.6 | 27.5 | ||||
Medium | 43.8 | 40.5 | 41.6 | 46.4 | ||||
High | 37.1 | 32.4 | 35.8 | 26.1 | ||||
Year of delivery (groups) | 935,959 | 2242 | 1093 | 384 | ||||
1997–2001 | 29.6 | 22.3 | 25.3 | 23.2 | ||||
2002–2006 | 28.5 | 25.3 | 26.3 | 27.9 | ||||
2007–2011 | 27.5 | 32.3 | 30.9 | 33.8 | ||||
2012–2014 | 14.4 | 20.1 | 17.5 | 16.1 | ||||
Mode of delivery | 935,959 | 2242 | 1093 | 384 | ||||
Cesarean section | 18.5 | 24.3 | 23.1 | 29.2 | ||||