TABLE 4.

Overall TTI incidence by demographic characteristics of blood donors.

Characteristic		Total donors	No. of new cases	Person time (years)	Incidence per year (95% CI)	p-Value
Overall		62 367	3635	59133.1	0.0615 (0.0595, 0.0635)	N/A
Sex
	Female	12 066	484	11374.3	0.0426 (0.0388, 0.0465)	<0.001
	Male	50 301	3151	47758.8	0.0660 (0.0637, 0.0683)
Age
	16–25	51 931	2801	45709.4	0.0613 (0.0500, 0.0636)	<0.001
	26–35	6772	568	8681.6	0.0654 (0.0602, 0.0710)
	≥36	3664	266	47,42.1	0.0561 (0.0496, 0.0633)
Marital status
	Married	6880	499	7806.4	0.0639 (0.0584, 0.0698)	0.05
	Single	55 487	3136	51326.7	0.0611 (0.0590, 0.0633)
Occupation
	Student	49 636	2700	45397.3	0.0595 (0.0573, 0.0618)	0.7
	Non-student	12 731	935	13735.8	0.0681 (0.0638, 0.0726)