Table 2 Characteristics of the participants
| Â | Intervention: N = 392 | Comparison: N = 394 | ||
|---|---|---|---|---|
Maternal age | N | % | N | % |
<20 | 10 | 2.6 | 18 | 4.6 |
20–24 | 81 | 20.9 | 70 | 17.9 |
25–29 | 127 | 32.4 | 144 | 36.9 |
30–34 | 135 | 34.2 | 129 | 33.1 |
35–39 | 36 | 9.2 | 27 | 6.9 |
≥ 40 | 0 | - | 2 | 0.5 |
Missing data | 3 | - | 4 | - |
Region of birth (Mother) | Â | Â | Â | Â |
Australia | 254 | 64.5 | 279 | 70.8 |
New Zealand/UK | 23 | 5.9 | 13 | 3.3 |
Europe | 28 | 7.1 | 24 | 6.1 |
Asia/Middle East | 75 | 19.1 | 71 | 18.0 |
Africa | 6 | 1.5 | 4 | 1.0 |
America | 5 | 1.3 | 3 | 0.8 |
Missing data | 1 | - | 0 | - |
Occupation (Father) | Â | Â | Â | Â |
Professional | 16 | 4.1 | 14 | 3.6 |
Proprietor/Manager | 24 | 6.1 | 15 | 3.8 |
Office and sales worker | 89 | 22.7 | 111 | 28.2 |
Farmer | 87 | 22.2 | 83 | 21.1 |
Skilled worker | 60 | 15.3 | 53 | 13.5 |
Semiskilled worker | 72 | 18.4 | 79 | 20.0 |
Unskilled worker | 42 | 10.7 | 39 | 9.9 |
Missing data | 2 | - | 0 | - |
Local Government area | Â | Â | Â | Â |
A | 181 | 46.1 | 190 | 48.2 |
B | 120 | 30.6 | 112 | 28.4 |
C | 66 | 16.8 | 72 | 18.3 |
Other | 25 | 5.6 | 20 | 5.1 |
Prior problems | Â | Â | Â | Â |
Infertility | 31 | 7.9 | 36 | 9.1 |
Prior miscarriage ≥ 1 | 37 | 9.4 | 43 | 10.9 |
Prior termination ≥ 1 | 43 | 11.0 | 36 | 9.1 |
1st birth unplanned | 105 | 26.8 | 115 | 29.2 |
1st birth unwanted | 11 | 2.8 | 7 | 1.8 |
First birth | Â | Â | Â | Â |
Spontaneous vaginal* | 180 | 46.1 | 206 | 52.3 |
Forceps | 118 | 30.0 | 115 | 29.2 |
Vacuum | 3 | 0.8 | 2 | 0.5 |
Elective caesarean | 15 | 3.6 | 9 | 2.3 |
Emergency caesarean | 48 | 12.3 | 40 | 10.2 |
Missing data | 28 | 7.2 | 22 | 5.6 |