Table 2. Demographic characteristics and adjusted odds ratio of being reactive to HTLV antibodies and having a confirmed HTLV diagnosis, five participating sentinel centres, England, 2008–2013 (n = 29,519).

Patient characteristics	All tested (n = 29,519)	Reactive HTLV screen				Confirmed HTLV diagnosis
Patient characteristics	All tested (n = 29,519)	Number (n = 176)	aOR	95% CI	p value	Number (n = 89)	aOR	95% CI	p value
Age (aOR/10 year increase)	45 (33–59) ^a	52 (40–63) ^a	1.2	1.1–1.3	0.001	53 (42–64) ^a	1.4	1.2–1.5	< 0.001
Sex
Male	14,653	73	1	Ref		30	1	Ref
Female	13,524	102	1.7	1.2–2.3	0.001	59	2.4	1.6–3.8	< 0.001
Not reported^b	1,342	1	NA			0	NA
Service type
Primary	3,043	15	1	Ref		12	1	Ref
Secondary	23,142	152	1.2	0.7–2.0	0.6	75	0.6	0.3–1.2	0.1
Other	3,334	9	0.5	0.2–1.1	0.1	2	0.1	0.03–0.5	0.006
Year tested
2008	3,581	22	1	Ref		15	1	Ref
2009	3,977	32	1.3	0.8–2.3	0.3	14	0.9	0.4–1.9	0.8
2010	4,393	22	0.8	0.4–1.5	0.5	9	0.5	0.2–1.1	0.1
2011	4,719	37	1.3	0.8–2.2	0.3	16	0.9	0.4–1.8	0.7
2012	5,719	30	0.9	0.5–1.6	0.7	14	0.6	0.3–1.3	0.2
2013	7,130	33	0.8	0.5–1.4	0.5	21	0.8	0.4–1.6	0.5

aOR: adjusted odds ratio; CI: confidence interval; HTLV: human T-lymphotropic virus; NA: not applicable; Ref: reference value.

^a Median and interquartile ranges.

^b Persons of unknown sex were not included in the logistic regression.