Table 2.

Demographic variables of individual infections among reactive and non-reactive blood donors

Characteristics	HIV (n = 14)		p-value	HBV (n = 42)		p-value	HCV (n = 39)		p-value	Syphilis (n = 19)		p-value
	Non-reactive	Reactive		Non-reactive	Reactive		Non-reactive	Reactive		Non-reactive	Reactive
Counties
Homabay	322	7	0.062	317	12	0.824	318	11	0.633	323	6	0.192
Kisumu	503	3	ref.	489	17	ref.	492	14	ref.	502	4	ref.
Siaya	376	4	0.45	367	13	0.96	366	14	0.441	371	9	0.66
Age groups years
Teenagers (16–19)	965	11	ref.	945	31	ref.	947	29	ref.	961	15	ref.
Adults (20–65)	236	3	0.863	228	11	0.282	229	10	0.348	235	4	0.879
Gender
Female	510	5	ref.	501	14	ref.	498	17	ref.	508	7	ref.
Male	691	9	0.613	672	28	0.23	678	22	0.877	688	12	0.623
Marital status
Married	50	0		49	1	ref.	50	0		50	0
Single	1151	14	–	1124	41	0.57	1126	39	–	1146	19	–
Drug use
No	1189	14		1161	42		1164	39		1185	18	ref.
Yes	12	0	–	12	0	–	12	0	–	11	1	0.095
High risk sex
No	1139	13	ref.	1115	37	ref.	1116	36	ref.	1134	18	ref.
Yes	62	1	0.741	58	5	0.046	60	3	0.476	62	1	0.988
No. donations
First	888	12	ref.	869	32	ref.	869	31	ref.	884	16	ref.
Repeats	313	2	0.329	305	10	0.75	307	8	0.435	312	3	0.317
Blood transfusion
No	1180	14		1153	41	ref.	1157	37	ref.	1175	19
Yes	21	0	–	20	1	0.742	19	2	0.118	21	0	–

High risk sex was significantly associated with HBV infections p = 0.046

Data shown are: ref., reference category; n, numbers; HIV-1/2Ag/Ab, human immunodeficiency virus 1 and 2 antigen and antibody; HBVsAg, hepatitis B surface antigen; Anti-HCV, antibody to hepatitis C virus; –, no analysis done due to lack of cases; No, not exposed; Yes, exposed; Reactive, seropositive; Non-reactive, seronegative