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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)
  1. GDM gestational diabetes mellitus, IMD index of multiple deprivation, PE preeclampsia