Table 1 Characteristics of women giving birth in New South Wales Australia from 2001 to 2016
Variables | Proportion | Number |
|---|---|---|
Age | ||
  < 20 | 3.4 | 48,801 |
 20–24 | 13.4 | 194,923 |
 25–29 | 27.3 | 396,413 |
 30–35 | 33.5 | 486,675 |
 35–39 | 18.3 | 266,404 |
 40+ | 4.1 | 59,821 |
Smoking status | ||
 No | 87.6 | 1,272,641 |
 Yes | 12.2 | 177,994 |
 Unknown | 0.2 | 2402 |
Remoteness of area of residence | ||
 Major city | 79.7 | 1,157,831 |
 Inner regional | 14.7 | 214,217 |
 Outer regional/Remote | 4.4 | 63,301 |
 Unknown | 1.2 | 17,688 |
Socioeconomic status of area of residence | ||
 Q1 Most disadvantaged | 24.2 | 352,279 |
 Q2 | 24.2 | 352,229 |
 Q3 | 24.3 | 352,665 |
 Q4 Least disadvantaged | 26.0 | 378,174 |
 Unknown | 1.2 | 17,690 |
Previous pregnancy | ||
 No | 42.6 | 619,637 |
 Yes | 57.3 | 832,560 |
 Unknown | 0.1 | 840 |
Hospital of delivery | ||
 Public | 77.7 | 1,129,486 |
 Private | 22.3 | 323,496 |
Maternal country of birth | ||
 Australia | 68.2 | 991,152 |
 Overseas | 31.8 | 461,885 |
Weeks at first antenatal visit | ||
 0–13 | 68.4 | 993,634 |
 14–25 | 25.8 | 375,509 |
 26–45 | 4.6 | 66,831 |
 Unknown | 1.2 | 17,063 |
Indigenous status | ||
 Non-indigenous | 96.6 | 1,404,035 |
 Indigenous | 3.2 | 46,531 |
 Unknown | 0.2 | 2471 |
Hypertension | ||
 No | 99.1 | 1,440,457 |
 Yes | 0.9 | 12,580 |
Diabetes | ||
 No | 93.3 | 1,355,360 |
 Yes | 6.7 | 97,677 |