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Table 2 Primary composite outcome by planned place of birth at the onset of labour

From: Birthplace in New South Wales, Australia: an analysis of perinatal outcomes using routinely collected data

Planned place of birth No. events/births Incidence of events/1000 Unadjusted OR Adjusted OR*
All women
Total* 1 481/258 045 5.7   
Hospital 1 399/242 860 5.8 1.00 1.00
Birth centre 77/14 482 5.3 0.92 (0.73-1.16) 0.87 (0.69-1.10)
Home Birth 5/703 7.1 1.17 (0.49-2.83) 1.06 (0.44-2.56)
Nulliparous women 1 018/158 866 6.4   
Hospital 949/149 417 6.4 1.00 1.00
Birth Centre 65/9 145 7.1 1.12 (0.87-1.44) 1.04 (0.81-1.34)
Home Birth 4/304 13.2 2.03 (0.75-5.44) 1.72 (0.64-4.63)
Multiparous women 461/99 022 4.7   
Hospital 448/93 298 4.8 1.00 1.00
Birth Centre 12/5 332 2.3 0.47 (0.26-0.83) 0.45 (0.26-0.81)
Home Birth 1/392 2.6 0.49 (0.07-3.52) 0.47 (0.07-3.38)
Women without complications at start of care in labour
Total* 1291/235 611 5.5   
Hospital 1221/221 193 5.5 1.00 1.00
Birth centre 66/13 723 4.8 0.87 (0.68-1.12) 0.82 (0.64-1.05)
Home birth 4/695 5.8 0.99 (0.37-2.64) 0.87 (0.33-2.35)
Nulliparous women 887/144 830 6.1   
Hospital 829/135 897 6.1 1.00 1.00
Birth centre 55/8 633 6.4 1.05 (0.80-1.37) 0.96 (0.73-1.26)
Home birth 3/300 10.0 1.60 (0.51-4.99) 1.31 (0.42-4.11)
Multiparous women 403/90 632 4.5   
Hospital 391/85 159 4.6 1.00 1.00
Birth centre 11/5 085 2.2 0.47 (0.26-0.86) 0.46 (0.25-0.83)
Home birth 1/388 2.6 0.52 (0.07-3.72) 0.50 (0.07-3.60)
  1. *Logistic regression was undertaken with adjustments occurring for maternal age, gestational age in weeks at delivery and parity. Any case with missing data was excluded from the regression.