Characteristic | Category | n (%) or mean (SD) |
---|---|---|
Maternal age (missing=3) | <20 | 6 (2.5) |
20-34 | 138 (57.3) | |
>35 | 97 (40.3) | |
Ethnicity (missing=3) | European | 150 (62.2) |
Other | 59 (24.5) | |
Maori | 17 (7.1) | |
Pacific | 15 (6.2) | |
Marital status (missing=40) | Married | 168 (82.3) |
De facto | 28 (13.7) | |
Single | 8 (3.9) | |
Current smoker (missing=4) | Yes | 10 (4.2) |
Sleep with partner (missing=0) | Yes | 200 (82.0) |
Gestation (weeks) (missing=11) | Â | 35.0 (2.7) |
Gestation, categorised (weeks) | 28 to<32 | 25 (10.8) |
32 to <34 | 49 (21.1) | |
34 to <36 | 42 (18.1) | |
36 to <38 | 73 (31.5) | |
≥38 | 43 (18.5) | |
Parity (missing=6) | 0 | 108 (45.4) |
1 | 87 (36.6) | |
2 | 35 (14.7) | |
≥3 | 8 (3.4) | |
Pre-pregnancy BMI, calculated (missing=19) | Â | 23.8 (4.5) |
Pre-pregnancy BMI categorised (missing=19) | <18.5 | 6 (2.7) |
18.5 – 24.9 | 159 (70.7) | |
25.0 – 29.9 | 36 (16.0) | |
≥30 | 24 (10.7) |