Table 2

Frequencies of maternal outcomes at the time of birth of all Aboriginal mothers by smoking status during pregnancy

All birthsNon-smokingSmokingUnadjustedAdjusted
n=18 154Nns=9235Ns=8919RR (95% CI)RR (95% CI)
n%n%n%
Severe maternal morbidity
Yes5232.92572.82663.00.94 (0.79 to 1.12)0.92* (0.77 to 1.11)
Inter-hospital transfer
Yes7934.43373.74565.10.73 (0.63 to 0.84)0.76† (0.66 to 0.89)
  • *Adjusted for maternal age, any hypertension, any diabetes, parity and socioeconomic status (Socio-Economic Index for Areas (SEIFA)).

  • †Adjusted for maternal age, any hypertension, any diabetes, parity and remoteness area.

  • RR, relative risk.