|
Continuous variables, medians (interquartile range)
1
|
|
Age, years
|
32 (27-36)
|
|
Weeks' gestation
|
13 (12-20)
|
|
Body mass index, kg/m2
|
29.3 (27.5-33.8)
|
|
Categorized variables, numbers (%)
|
|
Weeks' gestation category
| |
|
11-14
|
32 (55.2)
|
|
≥20
|
26 (44.8)
|
|
BMI category
| |
|
25.0-29.9 kg/m2
|
35 (60.3)
|
|
≥30.0 kg/m2
|
22 (39.7)
|
|
Parity
| |
|
0
|
27 (46.6)
|
|
1
|
21 (36.2)
|
|
≥2
|
10 (17.2)
|
|
Education (highest qualification)2
| |
|
GCSE or equivalent (at age ≥16 years)
|
9 (17.0)
|
|
A level or equivalent (at age ≥18 years)
|
13 (24.5)
|
|
Degree or higher postgraduate qualification
|
31 (58.5)
|
|
Ethnicity
| |
|
White
|
48 (88.9)
|
|
Other
|
6 (11.1)
|
|
Smoked during the last year
| |
|
Yes
|
7 (12.7)
|
|
No
|
48 (87.3)
|
|
Employed at the beginning of pregnancy
| |
|
Yes
|
48 (84.2)
|
|
No
|
9 (15.8)
|
|
Hours of employment3
| |
|
Full time (≥37 h/week)
|
30 (63.8)
|
|
Part time (<37 h/week)
|
17 (36.2)
|
|
Living with a partner/husband
| |
|
Yes
|
55 (96.5)
|
|
No
|
2 (3.5)
|
