TABLE 1.
Maternal characteristics of sample
| Study sample N = 52 | Women booking for maternity care during 2017 at participating hospital N = 6,312 a | |
|---|---|---|
| Age years, mean (SD) | 31.2 (5.32) | 31.7 (5.76) |
| Parity (at recruitment) (n = 48), N (%) | ||
| Nulliparous | 26 (54.2) | 2,739 (44.1) |
| Parous | 22 (45.8) | 3,573 (55.9) |
| Ethnicity (n = 52), N (%) | ||
| White | 44 (84.6) | 4,706 (74.6) |
| Black/African/Caribbean | 0 | 292 (4.6) |
| Mixed | 2 (3.8) | 191 (3.0) |
| Asian | 1 (1.6) | 537 (8.5) |
| Other | 5 (9.6) | 268 (4.2) |
| BMI category N (%) (n = 52) | ||
| Underweight (BMI < 18) | 1 (1.9) | 75 (1.4) |
| Healthy (BMI 18 to <25) | 24 (46.2) | 2,453 (44.4) |
| Overweight (BMI 25 to <30) | 18 (34.6) | 1,656 (30.0) |
| Obese (BMI 30 to <40) | 8 (15.4) | 1,135 (20.6) |
| Morbidly obese (BMI 40+) | 1 (1.9) | 202 (3.7) |
Abbreviation: BMI, body mass index.
a
Includes some missing data.