Table 1 Characteristics of women included in the dataset
Characteristic | N = 3,307 |
|---|---|
Maternal age in years, mean (SD) | 30.5 (5.3) |
Ethnic group, n (%) | |
White | 2,730 (82.6) |
Non-white | 502 (15.2) |
Missing | 75 (2.3) |
Age when left fulltime education, n (%) | |
< 17 | 569 (17.2) |
17 to 18 | 875 (26.5) |
19 or more or still in education | 1,817 (54.9) |
Missing | 46 (1.4) |
Parity, n (%) | |
Primiparous | 1,319 (39.9) |
Multiparous | 1,607 (48.6) |
Missing | 381 (11.5) |
Birthweight in grams, mean (SD) | 3,351.2 (598.4) |
Gestation in weeks, mean (SD) | 39.6 (1.9) |
Mode of birth, n (%) | |
Spontaneous vaginal | 2,642 (79.9) |
Instrumental | 665 (20.1) |
Antenatal anxiety or depression, n (%) | |
No | 2,855 (86.3) |
Yes | 452 (13.7) |