Table 4.

Percentage of those (n = 1980) who bypass a local service to access a centre of excellence or specialist service, by demographics and infection route

			Chi Square			Logistic Regression
	n	df	%	X2	P	Adj odds ratio	(95% CI)	P
Age				54.6	<0.001
Under 20	74	3	87.8			Ref		0.015
20–34	603	1	47.4			0.612	(0.25, 1.502)	0.284
35–49	1038	1	59.8			0.882	(0.36, 2.159)	0.783
50+	265	1	57.7			0.772	(0.304, 1.959)	0.586
Route and sex				100.7	<0.001
Sex between men	1121	3	51.3			Ref		<0.001
Male heterosexual	236	1	57.2			1.071	(0.758, 1.515)	0.697
Female heterosexual	431	1	56.1			1.032	(0.739, 1.441)	0.854
Other	192	1	90.1			8.057	(4.597, 14.122)	<0.001
Deprivation and urban category				28.2	<0.001
Not urban, least deprived	88	3	30.7			Ref		<0.001
Urban, least deprived	659	1	55.5			2.703	(1.602, 4.561)	<0.001
Urban, average	680	1	59.1			3.607	(2.133, 6.100)	<0.001
Urban, most deprived	553	1	59.7			3.622	(2.123, 6.180)	<0.001
Ethnicity and residency				19.7	0.001
British white	1350	5	54.4			Ref		0.032
British black African	193	1	63.7			1.22	(0.805, 1.850)	0.348
British other/unknown	118	1	57.6			0.931	(0.600, 1.443)	0.748
Asylum seeker	153	1	58.2			1.069	(0.683, 1.673)	0.771
Overseas student	48	1	81.3			3.953	(1.774, 8.808)	0.001
Other non national	118	1	61.0			1.127	(0.689, 1.842)	0.634
Level of antiretroviral therapy				154.4	<0.001
None	568	2	35.4			Ref		<0.001
Mono/dual/triple	1019	1	67.3			3.56	(2.821, 4.491)	<0.001
Quad or more	393	1	60.6			2.576	(1.940, 3.420)	<0.001
Total	1980		56.8

Univariate Chi square analysis and logistic regression to predict visiting a centre of excellence/specialist services.