Table 4.

Multivariate logistic regression showing likelihood of scheduled appointment non‐attendance by gender × indigenous status, age, modality, distance from facility and referral source

Factors	Multivariate logistic regression
	Odds ratio (OR)	95% confidence interval (CI)	P‐value
Gender × indigenous status
Female not Aboriginal and Torres Strait Islander	Reference
Male not Aboriginal and Torres Strait Islander	1.69	1.39–2.05	<0.001
Female Aboriginal and Torres Strait Islander	3.06	2.40–3.89	<0.001
Male Aboriginal and Torres Strait Islander	3.00	1.95–4.61	<0.001
Age
0–9 years	1.64	1.00–2.71	0.053
10–17 years	1.68	0.97–2.89	0.063
18–24 years	1.12	0.81–1.53	0.501
25–34 years	1.10	0.83–1.44	0.516
35–44 years	1.32	0.99–1.76	0.061
45–54 years	1.58	1.22–2.05	0.001
55–64 years	1.23	0.94–1.60	0.125
65 years and over	Reference
Modality
Modality combinationa	Reference
Ultrasound	1.64	1.04–2.59	0.033
CTb	1.94	1.22–3.07	0.005
Interventional radiology	1.97	1.13–3.45	0.017
Mammography	3.07	1.00–9.47	0.051
Distance from facility
<51 km	Reference
51–300 km	1.14	0.94–1.37	0.194
>300 km	1.00	0.77–1.29	0.978
Referral source
Other clinicsc	Reference
Cancer/ONCd	1.23	0.81–1.89	0.335
Medical	1.63	1.14–2.32	0.007
Othere	1.45	0.96–2.18	0.079
Rural facilities	1.96	1.16–3.32	0.012
Surgical	2.34	1.57–3.49	<0.001

^aCombination of any two or more of the following modalities – ultrasound, CT, mammography, interventional radiology.

^bComputed tomography.

^cWards not classed as medical, surgical or palliative.

^dOncology.

^eFacilities outside of the regional hospital health service.