Table 1 Maternal characteristics and key social indicators by antenatal model of care, 2004-2009
Indicator | Definition | MC | SC | % difference | p |
|---|---|---|---|---|---|
n (%) | n (%) | ||||
Age | <20 | 61 (16.9) | 73 (18.2) | −1.3 | 0.587 |
20-24 | 96 (26.7) | 106 (26.4) | 0.3 | ||
25-29 | 80 (22.2) | 106 (26.4) | −4.2 | ||
30-34 | 74 (20.6) | 75 (18.7) | 1.9 | ||
35-39 | 40 (11.1) | 33 (8.2) | 2.9 | ||
40+ | 9 (2.5) | 8 (2.0) | 0.5 | ||
BMI | Underweight (≤18.50) | 26 (8.8) | 32 (9.3) | −0.6 | 0.207 |
Optimal (18.51-<25) | 121 (40.9) | 164 (47.8) | −6.9 | ||
Overweight (25–30) | 71 (24.0) | 78 (22.7) | 1.3 | ||
Obese (>30) | 78 (26.4) | 69 (20.1) | 6.2 | ||
Parity | Primiparous | 103 (28.7) | 151 (38.2) | −9.5 | 0.002 |
One | 82 (22.8) | 99 (25.1) | −2.2 | ||
Two | 55 (15.3) | 63 (16.0) | −0.6 | ||
Three | 45 (12.5) | 36 (9.1) | 3.4 | ||
More than three | 74 (20.6) | 46 (11.7) | 9.0 | ||
Marital status | Married/de facto | 153 (46.5) | 240 (62.2) | −15.7 | <0.001 |
Single/never married | 165 (51.6) | 126 (35.2) | 15.8 | ||
Divorced/separated | 8 (2.4) | 10 (2.6) | −0.2 | ||
Cannabis use at first visit | Asked at booking | 34 (9.5) | 24 (6.0) | 3.5 | 0.071 |
Alcohol consumption during pregnancy | Asked at booking | 22 (6.1) | 33 (8.2) | −2.1 | 0.260 |
Smoking | Asked at booking | 188 (52.4) | 184 (46.1) | 6.3 | 0.086 |
Iron deficiency anaemia a | Asked at booking pre-existing or current issue | 13 (7.1) | 22 (14.7) | −7.5 | 0.026 |
Domestic Violence (afraid for physical safety) a | Asked at booking | 5 (3.0) | 4 (3.3) | −0.3 | 1.000 |
Domestic Violence (emotional abuse) a | Asked at booking | 8 (4.9) | 8 (6.7) | −1.8 | 0.605 |
DOCS involvement a | Asked at booking “Have you ever had any help from DOCs” | 14 (13.9) | 15 (10.0) | 3.9 | 0.287 |