Table 4.

Logistic regression of HBV status and age categories of voluntary and replacement blood donors

Age (years)	Voluntary blood donors				Replacement blood donors
	OR	p-value	95% C.I.		OR	p-value	95% C.I.
50-69	-				1.00
40-49	1.00				1.97	0.266	0.5953	6.5411
30-39	0.06	0.006	0.0086	04604	2.48	0.126	0.7739	7.9368
20-29	2.13	0.009	1.2063	3.7488	4.06	0.018	1.2754	12.9532
11-19	1.39	0.273	0.7727	2.4938	4.04	0.023	1.2118	13.4702

OR Odds Ratio; C.I. Confidence Interval