Factors Associated with Repeat Blood Donation at the Northern Zone Blood Transfusion Centre in Tanzania

Table 3

Factors associated with repeat donation among blood donors ().

Variables	Repeated donation
	COR (95% CI)	value	AOR (95% CI)	value
Living area
Kilimanjaro	1
Arusha	0.54 (0.34–0.87)	0.01	0.47 (0.29–0.08)	0.002
Tanga	1.05 (0.53–2.05)	0.899
Manyara	—	0.999
Outside NZ	2.03 (1.02–4.03)	0.04	2.09 (1–4.34)	0.049
Intention to donate
Low	1		1
High	2.35 (1.55–3.55)	0.000	2.09 (1.34–3.24)	0.001
Donation interval
Others	1		1
3-4 months	1.64 (1.11–2.42)	0.01	1.56 (1.02–2.36)	0.039
Experience in last donation
Bad	1		1
Good	2.16 (1.46–3.18)	0.000	2.15 (1.42–3.25)	0.000
Altruistic score	1.03 (1.01–1.05)	0.01	1.03 (1–1.05)	0.036