Characteristics | Assessment at first and subsequent antenatal visits | All advice at first antenatal visit | Referral to other support services at any visit | All antenatal care (assessment at first and subsequent antenatal visits, and all advice) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n (%) or mean (SD) | Adjusted OR (95% CI) | p-value | n (%) or mean (SD) | Adjusted OR (95% CI) | p-value | n (%) or mean (SD) | Adjusted OR (95% CI) | p-value | n (%) or mean (SD) | Adjusted OR (95% CI) | p-value | |||
Age, years | 29.32 (5.31)a | 0.96 [0.89–1.03] | 0.26 | 29.50 (5.07)b | 0.95 [0.90-1.00] | 0.046 | 30.22 (5.16)c | 0.95 [0.87–1.03] | 0.18 | 28.62 (4.98)d | 0.90 [0.81-1.00] | 0.041 | ||
Aboriginal or Torres Strait Islander, or both | ||||||||||||||
Yes | 9 (40.91%) | 3.98 [1.09–14.52] | 0.036 | 11 (44.00%) | 2.91 [0.94–8.99] | 0.06 | 3 (12.00%) | 0.53 [0.05–5.48] | 0.59 | 7 (28.00%) | 24.54 [4.98-120.94] | < 0.001 | ||
No (referent) | 50 (11.66%) | 143 (29.24%) | 48 (9.82%) | 27 (5.52%) | ||||||||||
Education level | 0.07 | 0.84 | 0.49 | 0.09 | ||||||||||
Completed high school certificate or less | 19 (18.63%) | 2.77 [1.16–6.57] | 37 (31.90%) | 1.14 [0.60–2.16] | 10 (8.62%) | 1.06 [0.37–3.04] | 12 (10.34%) | 3.63 [1.10-11.95] | ||||||
Completed technical certificate or diploma | 26 (16.99%) | 1.81 [0.82–4.02] | 59 (33.33%) | 1.17 [0.68–2.01] | 28 (15.82%) | 1.62 [0.69–3.79] | 14 (7.91%) | 1.51 [049-4.72] | ||||||
Completed university or college degree or higher (referent) | 14 (7.14%) | 58 (26.24%) | 13 (5.88%) | 8 (3.62%) | ||||||||||
Area index of advantage | 0.050 | 0.52 | 0.32 | 0.011 | ||||||||||
Most disadvantaged | 35 (17.86%) | 1.53 [0.64–3.64] | 67 (30.45%) | 0.78 [0.42–1.45] | 20 (9.09%) | 0.46 [0.16–1.31] | 22 (10.00%) | 0.71 [0.23–2.22] | ||||||
Mid disadvantaged | 10 (7.81%) | 0.47 [0.17–1.32] | 42 (28.38%) | 0.70 [0.38–1.31] | 16 (10.81%) | 0.88 [0.33–2.32] | 2 (1.35%) | 0.05 [0.01–0.38] | ||||||
Least disadvantaged (referent) | 14 (11.02%) | 45 (30.82%) | 15 (10.27%) | 10 (6.85%) | ||||||||||
First pregnancy | ||||||||||||||
Yes | 23 (13.14%) | 1.06 [0.53–2.11] | 0.87 | 82 (40.59%) | 2.34 [1.43–3.83] | < 0.001 | 24 (11.88%) | 1.41 [0.65–3.08] | 0.38 | 19 (9.41%) | 3.36 [1.27–8.86] | 0.014 | ||
No (referent) | 36 (13.04%) | 72 (23.08%) | 27 (8.65%) | 15 (4.81%) | ||||||||||
Singleton pregnancy | ||||||||||||||
No | 1 (14.29%) | 0.75 [0.08–7.18] | 0.81 | 5 (62.50%) | 9.49 [1.71–52.68] | 0.010 | 48 (9.49%) | 8.24 [1.45–46.93] | 0.018 | 33 (6.52%) | 6.19 [0.48–79.84] | 0.16 | ||
Yes (referent) | 58 (13.06%) | 149 (29.45%) | 3 (37.50%) | 1 (12.50%) | ||||||||||
Weeks pregnant at first antenatal visit | 17.59 (6.37)j | 0.94 [0.89-1.00] | 0.07 | 19.94 (5.81)k | 1.07 [1.02–1.11] | 0.003 | 18.18 (6.14)l | 1.00 [0.93–1.07] | 0.90 | 18.82 (6.96)m | 1.05 [0.97–1.14] | 0.20 | ||
Pre-pregnancy BMI, kg/m2 | 29.73 (7.72)e | 1.06 [1.01–1.11] | 0.021 | 27.13 (7.18)f | 1.04 [1.00-1.08] | 0.027 | 29.69 (9.28)g | 1.06 [1.01–1.11 | 0.022 | 31.19 (8.99)h | 1.13 [1.05–1.21] | < 0.001 | ||
Gestational diabetes mellitus during this pregnancy | ||||||||||||||
Yes | 11 (19.30%) | 1.78 [0.72–4.37] | 0.21 | 19 (30.65%) | 0.78 [0.37–1.63] | 0.51 | 17 (27.42%) | 3.28 [1.40–7.68] | 0.006 | 5 (8.06%) | 0.59 [0.15–2.25] | 0.44 | ||
No / don’t know (referent) | 48 (12.18%) | 135 (29.87%) | 34 (7.52%) | 29 (6.42%) | ||||||||||
Pregnancy risk level | ||||||||||||||
Low risk | 37 (12.09%) | 1.32 [0.56–3.12] | 0.53 | 104 (29.80%) | 1.21 [0.65–2.25] | 0.55 | 27 (7.74%) | 0.74 [0.30–1.80] | 0.51 | 21 (6.02%) | 2.44 [0.67–8.92] | 0.18 | ||
High risk (referent) | 22 (15.17%) | 50 (30.30%) | 24 (14.55%) | 13 (7.88%) | ||||||||||
Provider/s seen in antenatal visit | 0.50 | 0.30 | 0.45 | 0.21 | ||||||||||
Doctor only | 9 (18.00%) | 1.78 [0.58–5.52] | 17 (32.69%) | 1.46 [0.60–3.55] | 10 (19.61%) | 2.43 [0.76–7.76] | 6 (11.54%) | 5.44 [1.11–26.74] | ||||||
Midwife and doctor | 11 (12.22%) | 0.72 [0.28–1.82] | 31 (29.81%) | 1.86 [0.98–3.53] | 15 (14.42%) | 1.84 [0.72–4.71] | 6 (5.77%) | 1.29 [0.36–4.61] | ||||||
Midwife only (referent) | 39 (12.66%) | 105 (29.66%) | 26 (7.34%) | 22 (6.21%) | ||||||||||
Other provider involved | 0 (0.00%) | N/Ai | 1 (50.00%) | 0.92 [0.04–24.02] | 0 (0%) | N/Ai | 0 (0.00%) | N/Ai | ||||||
Maternity service location | ||||||||||||||
Regional or rural | 19 (22.09%) | 1.03 [0.45–2.37] | 0.95 | 31 (32.98%) | 1.23 [0.62–2.44] | 0.55 | 12 (12.77%) | 1.92 [0.66–5.60] | 0.23 | 14 (14.89%) | 2.14 [0.70–6.61] | 0.18 | ||
Major city (referent) | 40 (10.96%) | 123 (29.29%) | 39 (9.29%) | 20 (4.76%) |