Table 4.

Bivariate and multivariable associations between reported receipt of assessment (AUDIT-C), complete care and all guideline elements and maternal and antenatal service characteristics at subsequent antenatal visits (N = 890)

Characteristic	Assessment (AUDIT-C)					Complete Care (complete advice and referral offered or followed up)					All guideline elements (assessment, complete advice and referral offered or followed up)
	n (%)	Bivariate Unadjusted OR (95% CI)	p-value	Multivariable Adjusted OR (95% CI)	p-value	n (%)	Bivariate Unadjusted OR (95% CI)	p-value	Multivariable Adjusted OR (95% CI)	p-value	n (%)	Bivariate Unadjusted OR (95% CI)	p-value	Multivariable Adjusted OR (95% CI)	p-value
Age	28 years (SD: 6 years)	0.95 (0.91–1.00)	< 0.05	0.98 (0.93–1.04)	0.57	27 years (SD: 6 years)	0.88 (0.84–0.92)	< 0.001	0.91 (0.86–0.96)	< 0.01	26 years (SD: 5 years)	0.88 (0.82–0.94)	< 0.001	0.91 (0.84–0.99)	0.03
Aboriginal or Torres Strait Islander origin or both			< 0.01		0.01			< 0.001		0.02			< 0.001		0.02
Yes	11 (19.6%)	3.27 (1.61–6.66)		2.70 (1.23–5.92)		14 (25.0%)	4.08 (2.11–7.87)		2.40 (1.15–5.04)		8 (14.3%)	5.18 (2.23–12.05)		3.17 (1.22–8.24)
No (referent)	58 (7.0%)					63 (7.6%)					26 (3.1%)
Education level			< 0.01		0.04			< 0.001		0.07			0.02		0.23
Completed high school certificate or less	31 (12.2%)	2.32 (1.26–4.25)		1.96 (1.01–3.80)		36 (14.2%)	3.12 (1.69–5.76)		2.01 (1.00–4.01)		17 (6.7%)	3.19 (1.30–7.81)		1.84 (0.67–5.05)
Completed technical certificate or diploma	20 (6.3%)	1.12 (0.58–2.16)		0.97 (0.49–1.94)		25 (7.9%)	1.61 (0.84–3.08)		1.17 (0.58–2.34)		10 (3.1%)	1.44 (0.54–3.84)		0.94 (0.33–2.68)
Completed university or college degree or higher (referent)	18 (5.7%)					16 (5.0%)					7 (2.2%)
Area index of disadvantage			0.39		0.43			0.69		0.97			0.43		0.69
Most disadvantaged	33 (8.8%)	1.61 (0.81–3.19)		1.61 (0.76–3.40)		36 (9.6%)	1.22 (0.67–2.23)		1.07 (0.53–2.15)		18 (4.8%)	1.48 (0.61–3.59)		1.41 (0.51–3.84)
Mid disadvantaged	24 (7.9%)	1.43 (0.70–2.93)		1.50 (0.72–3.14)		24 (7.9%)	0.99 (0.52–1.89)		1.00 (0.50–1.97)		9 (3.0%)	0.90 (0.33–2.45)		0.98 (0.34–2.78)
Least disadvantaged (referent)	12 (5.7%)					17 (8.0%)					7 (3.3%)
First pregnancy			0.57		0.59			0.13		0.55			0.83		0.63
Yes	27 (7.2%)	0.87 (0.52–1.43)		0.86 (0.50–1.48)		39 (10.3%)	1.44 (0.90–2.30)		1.17 (0.69–1.98)		15 (4.0%)	1.08 (0.54–2.15)		0.83 (0.38–1.78)
No (referent)	42 (8.2%)					38 (7.4%)					19 (3.7%)
Pregnancy risk level			0.52		0.95			0.84		0.33			0.29		0.84
Low risk pregnancy	35 (8.4%)	1.18 (0.72–1.92)		1.02 (0.54–1.94)		37 (8.9%)	1.05 (0.66–1.67)		0.74 (0.41–1.35)		19 (4.6%)	1.45 (0.73–2.89)		0.92 (0.39–2.17)
High risk pregnancy (referent)	34 (7.2%)					40 (8.5%)					15 (3.2%)
Consumed alcohol since pregnancy recognition			0.33		0.63			0.91		0.26			0.85		0.30
Yes	5 (5.2%)	0.63 (0.25–1.60)		0.79 (0.30–2.06)		8 (8.3%)	0.96 (0.44–2.05)		1.60 (0.71–3.60)		4 (4.2%)	1.11 (0.38–3.21)		1.83 (0.59–5.70)
No (referent)	64 (8.1%)					69 (8.7%)					30 (3.8%)
Antenatal service location			0.78		0.85			0.41		0.68			0.48		0.82
Regional or rural	12 (8.3%)	1.10 (0.57–2.10)		0.93 (0.44–1.97)		15 (10.4%)	1.28 (0.71–2.32)		1.17 (0.56–2.41)		7 (4.9%)	1.36 (0.58–3.19)		1.12 (0.41–3.08)
Major city (referent)	57 (7.6%)					62 (8.3%)					27 (3.6%)
Provider/s seen in antenatal visit			0.27		0.73			< 0.01		0.03			0.11		0.48
Midwife only	39 (8.4%)	1.26 (0.65–2.47)		1.20 (0.52–2.77)		44 (9.4%)	2.55 (1.13–5.77)		2.72 (1.07–6.90)		22 (4.7%)	2.89 (0.85–9.78)		2.70 (0.67–10.84)
Midwife and doctor	13 (6.1%)	0.89 (0.40–2.01)		0.87 (0.38–1.99)		18 (8.4%)	2.24 (0.92–5.50)		2.37 (0.95–5.95)		6 (2.8%)	1.68 (0.41–6.83)		1.71 (0.41–7.12)
Other provider involved	5 (15.6%)	2.56 (0.84–7.85)		1.64 (0.48–5.63)		8 (25.0%)	8.14 (2.71–24.48)		6.17 (1.83–20.82)		3 (9.4%)	6.03 (1.16–31.35)		3.35 (0.54–20.60)
Doctor only (referent)	12 (6.7%)					7 (3.9%)					3 (1.7%)