Table 2 Defining the interactions among high risk groups for smoking in pregnancy in NSW
| Â | Percentage of smoking during pregnancy (SIP) | |||||||
|---|---|---|---|---|---|---|---|---|
| Â | Maternal age (years) | Aboriginal status | Weeks of gestation at 1st antenatal visit | |||||
|  | <20 years | 20–34 | 35+ | Aboriginal | Non-Aboriginal | 0–12 | 13–26 | 27+ |
Maternal age (years) | Â | Â | Â | Â | Â | Â | Â | Â |
<20 years | - | - | - | 60.5 | 40.5 | 43.0 | 41.6 | 44.7 |
20–34 | - | - | - | 56.7 | 15.9 | 14.3 | 18.3 | 31.4 |
35+ | - | - | - | 60.2 | 10.7 | 9.4 | 12.7 | 24.6 |
Aboriginal status | Â | Â | Â | Â | Â | Â | Â | Â |
Aboriginal | 60.5 | 56.7 | 60.2 | - | - | 51.3 | 58.2 | 72.5 |
Non-Aboriginal | 40.5 | 15.9 | 10.7 | - | - | 13.6 | 17.6 | 28.7 |
Socio-economic status (SES) | Â | Â | Â | Â | Â | Â | Â | Â |
Lowest SES | 42.8 | 21.5 | 17.4 | 59.8 | 20.7 | 20.1 | 22.1 | 34.4 |
Moderate SES | 43.7 | 16.6 | 11.5 | 55.1 | 16.0 | 14.5 | 18.8 | 32.1 |
Highest SES | 36.3 | 6.9 | 4.8 | 36.5 | 6.5 | 5.0 | 9.1 | 16.3 |
Country of birth | Â | Â | Â | Â | Â | Â | Â | Â |
English speaking background | 45.7 | 19.8 | 13.5 | - | - | 16.1 | 23.9 | 45.0 |
Non-English speaking background | 10.3 | 4.9 | 4.8 | - | - | 3.8 | 5.2 | 9.4 |
Weeks of gestation at 1st antenatal visit | Â | Â | Â | Â | Â | Â | Â | Â |
0–12 weeks | 43.0 | 14.3 | 9.4 | 51.3 | 13.6 | - | - | - |
13–26 weeks | 41.6 | 18.3 | 12.7 | 58.2 | 17.6 | - | - | - |
27 weeks + | 44.7 | 31.4 | 24.6 | 72.5 | 28.7 | - | - | - |