Characteristic | Number | Percent |
---|---|---|
Sociodemographic factors | ||
 Maternal age (years) | ||
   < 25 | 93 | 9.9 |
  25–29 | 255 | 27.3 |
  30–34 | 351 | 37.5 |
   ≥ 35 | 236 | 25.2 |
 Maternal education | ||
   < Year 12 | 141 | 15.1 |
  Year 12 completed | 208 | 22.2 |
  College/TAFE | 179 | 19.1 |
  University | 407 | 43.5 |
 Marital status | ||
  Married | 734 | 78.5 |
  Living with a partner/ De facto | 110 | 11.8 |
  Single Mother | 91 | 9.7 |
 Mother’s occupation | ||
  Home duties/ student | 170 | 18.2 |
  Managers | 61 | 6.5 |
  Professionals | 241 | 25.8 |
  Sales/Clerical | 294 | 31.4 |
  Unskilled | 169 | 18.1 |
 Mother’s country of birth | ||
  Australia | 436 | 46.6 |
  China | 57 | 6.1 |
  Vietnam | 132 | 14.1 |
  Asia other | 111 | 11.9 |
  Middle East/Africa | 81 | 8.7 |
  Others | 117 | 12.5 |
 Partner’s country of birth | ||
  Australia | 359 | 38.4 |
  China | 42 | 4.5 |
  Vietnam | 115 | 12.3 |
  Asia Other | 105 | 11.2 |
  Middle East/Africa | 96 | 10.3 |
  Others | 120 | 12.8 |
 Index for relative socioeconomic disadvantage | ||
  Least Disadvantaged | 50 | 5.3 |
  2nd Quintile | 238 | 25.5 |
  3rd Quintile | 80 | 8.6 |
  4th Quintile | 183 | 19.6 |
  Most Disadvantaged | 384 | 41.1 |
Biomedical factors | Â | Â |
 Parity | ||
  Primiparous | 468 | 50.1 |
  Multiparous | 467 | 49.9 |
 Infant gender | ||
  Female | 458 | 49.0 |
  Male | 477 | 51.0 |
 Infant birth weight | ||
  Average or greater | 889 | 95.1 |
  Low | 46 | 4.9 |
 Smoking status of the mother post partum | ||
  No | 852 | 91.1 |
  Yes | 83 | 8.9 |
 Smoking status of the mother during pregnancy | ||
  No | 884 | 94.5 |
  Yes | 51 | 5.5 |
 Alcohol drinking status of the mother post partum | ||
  No | 633 | 67.7 |
  Yes | 302 | 32.3 |
 Alcohol drinking status of the mother during pregnancy | ||
  No | 843 | 90.2 |
  Yes | 92 | 9.8 |
 Method of delivery | ||
  Vaginal | 653 | 69.8 |
  Caesarean | 282 | 30.2 |