|
Age (years): mean (range;SD)
|
29.75 (17.62–40.20;5.33)
|
29.89 (18.40–43.88;6.42)
|
P = 0.893
|
|
Teenage pregnancy = Yes : % (n)
|
4.4 (5)
|
4.5 (2)
|
P = 0.965
|
|
Maternal age > 35 years = Yes: % (n)
|
19.3 (22)
|
25.0 (11)
|
P = 0.429
|
|
Parity: median (range)
|
0 (0–4)
|
1 (0–6)
|
P = 0.046
|
|
Multiparous: % (n)
|
49.1 (56)
|
59.1 (26)
|
P = 0.261
|
|
Married/Partnership = No: % (n)
|
43.9 (50)
|
65.9 (29)
|
P = 0.013
|
|
White ethnicity = No: % (n)
|
27.2 (31)
|
25.0 (11)
|
P = 0.780
|
|
Employment = No: % (n)
|
21.6 (24)
|
31.8 (14)
|
P = 0.183
|
|
Further education: % (n)
|
No qualifications
|
2.7 (3)
|
4.7 (2)
| |
|
Up to NVQ level 2
|
28.3 (32)
|
32.6 (14)
| |
|
Up to NVQ level 3
|
15.9 (18)
|
25.6 (11)
|
P = 0.440
|
|
Up to professional qualifications
|
46.0 (52)
|
32.6 (14)
| |
|
Foreign qualifications
|
7.1 (8)
|
4.7 % (2)
| |
|
Smoking status = Yes: %(n)
|
8.8 (10)
|
15.9 (7)
|
P = 0.201
|
|
Body mass index (kg/m2): mean (range, SD)
|
25.12 (17.54–42.24;5.21)
|
22.96 (18.59–30.47;3.38)
|
P = 0.082
|
