Table 2 Sociodemographic characteristics in pregnancies with and without complications in pregnancy and/or birth
From: Prediction of uncomplicated pregnancies in obese women: a prospective multicentre study
|  | Complicated pregnancy, Mean (SD) or n (%) | Uncomplicated pregnancy, Mean (SD) or n (%) |
|---|---|---|
Age | 30.6 (5.4) | 30.0 (5.7) |
Body mass index | 36.6 (5.2) | 35.9 (4.1) |
Ethnicity | ||
 White | 567/904 (62.7) | 319/505 (63.2) |
 Black | 224/904 (24.8) | 132/505 (26.1) |
 Asian | 55/904 (6.1) | 31/505 (6.1) |
 Other | 58/904 (6.4) | 23/505 (4.6) |
 Multiparous | 416/904 (46.0) | 370/505 (73.3) |
 Previous history of GDM | 22/416 (5.3) | 6/370 (1.6) |
 Previous history of PE | 37/416 (8.9) | 25/370 (6.8) |
IMD fifths | ||
 1 (least deprived) | 33/899 (3.7) | 19/504 (3.8) |
 2 | 62/899 (6.9) | 32/504 (6.4) |
 3 | 95/899 (10.6) | 61/504 (12.1) |
 4 | 316/899 (35.2) | 164/504 (32.5) |
 5 (most deprived) | 393/899 (43.7) | 228/504 (45.2) |
Current smoker | 66/904 (7.3) | 32/505 (6.3) |