Table 1 Sociodemographic data of the mothers and data of the VLBW infants
Mother’s age (Mean, Min–Max, SD) | 34.3 (21–53, SD: 4.5) |
|---|---|
Highest graduation certificate achieved: | |
Without a school graduation certificate | 2.1% (n = 9) |
Still in vocational training (training, internship, student) | 0.5% (n = 2) |
Completed vocational training | 47.1% (n = 206) |
University degree | 49.7% (n = 217) |
Missing | 0.7% (n = 3) |
Native language | |
German | 84.7% (n = 370) |
Another native language | 14.9% (n = 65) |
Missing | 0.5% (n = 2) |
Birth weight of the child | |
< 500 g | 2.5% (n = 11) |
500–999 g | 38.2% (n = 167) |
1000–1499 g | 58.1% (n = 254) |
Missing | 1.1% (n = 5) |
Multiple pregnancies | |
Yes | 35.5% (n = 155) |
No | 63.2% (n = 276) |
Missing | 1.4% (n = 6) |