Table 2.

Demographic characteristics of HTLV seropositive blood donors

Characteristics	HTLV-1/2 positive donors (n = 416, seroprevalence/100,000)	OR (95% CI)	p value
Age, year			0.091
18–25	123 (5.356)	1.000
25–35	117 (5.329)	0.995 (0.772–1.282)	0.969
36–45	110 (5.169)	0.965 (0.746–1.248)	0.786
46–55	61 (3.590)	0.670 (0.493–0.911)	0.010
> 55	5 (5.404)	1.009 (0.413–2.647)	0.985
Sex
Male	238 (4.449)	1.000
Female	178 (5.814)	1.307 (1.076–1.587)	0.007
Previous donation history
Repeat donors	120 (3.405)	1.000
First-time donors	296 (6.057)	1.779 (1.439–2.199)	< 0.0001
Ethnicity
Han	398 (4.939)	1.000
Non-Han	18 (5.095)	1.032 (0.643–1.654)	0.897