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Table 1 Participant characteristics

From: Identifying the risk: a prospective cohort study examining postpartum haemorrhage in a regional Australian health service

  Sample N (%) Min, Max Mean (SD)
Demography
 Maternal age (years) 522   14, 44 29.10 (5.56)
 Body Mass Index (BMI) at antenatal ‘booking-in’ visit 514   15, 47 24.25 (5.42)
 Birth weight, g 505   1690, 4820 3487 (473)
   < 2500   5 (1)   
  2500–3999   439 (84.1)   
   > 4000   61 (11.7)   
 Baby’s gestation at birth 521   33.6, 42.3 39.6 (1.4)
  - < 32 weeks   0 (0)   
  - 32–36 weeks   20 (3.8)   
  - ≥ 37 weeks   501 (96.2)   
 Marital Status 522    
  - Married/defacto   446 (85.4)   
  - Never married   68 (13.0)   
  - Widowed, divorced, separated   8 (1.6)   
 Aboriginal and/or Torres Strait Islander (yes) 522 18 (3.5)   
 Any smoking during pregnancy (yes) 518 49 (9.5)   
 Previous pregnancy (yes) 522 358 (69.1)   
 Previous birth (yes) 522 303 (58.0)   
Previous Births
 Total number of previous pregnancies (excluding nulliparous women) 354   1, 11 2.08 (1.5)
 Previous birth typea     
  - Spontaneous Vaginal Birth 303 247 (81.5)   
  - Instrumental Vaginal Birth 303 44 (14.5)   
  - Caesarean Birth 303 19 (6.3)   
 Previous PPH (yes)     
  - No 271 241 (88.9)   
  - Yes 271 14 (5.2)   
  - Unknown 271 16 (5.9)   
Current Birth
 Received antenatal care (yes) 522 516 (99.6)   
 Primary mode of care 518    
  - Midwife (public)   297 (57.3)   
  - Midwife (private)   32 (6.2)   
  - Obstetric clinic (public)   16 (3.1)   
  - GP shared clinic   160 (30.9)   
  - Other   13 (2.5)   
 Place of birth 522    
  - Regional maternity unit   466 (89.3)   
  - Rural maternity unit   35 (6.7)   
  - Regional maternity unit (EPPM care)   13 (2.5)   
  - Home birth (EPPM care)   8 (1.5)   
 Placental Birth Management 522    
  - Active   291 (55.7)   
  - Modified/mixed active   191 (36.6)   
  - Physiological   40 (7.7)   
  1. aWomen may have had more than one previous birth