Table 3.

Seroprevalence of HIV and HBsAg infection by sociodemographic characteristics of blood donors in Koula-Moutou

	HIV				HBsAg
	Total	N (%)	OR (95% CI)	P-value	N (%)	OR (95% CI)	P-value
Year of donation
2012	771	29 (3.8)	2.16 (1.20-3.89)	0.008	52 (6.7)	1.48 (0.97-2.25)	0.072
2013	864	30 (3.5)	1.98 (1.11-3.56)	0.019	64 (7.4)	1.63 (1.09-2.45)	0.016
2014	1292	23 (1.8)	Reference	Reference	78 (6.0)	1.31 (0.89-1.93)	0.176
2015	546	13 (2.4)	1.35 (0.64-2.80)	0.506	32 (5.9)	1.27 (0.78-2.06)	0.366
2016	1205	41 (3.4)	1.94 (1.13-3.36)	0.015	64 (5.3)	1.15 (0.77-1.71)	0.555
2017	1028	40 (3.9)	2.23 (1.29-3.88)	0.003	48 (4.7)	Reference	Reference
Sex
Male	4765	146(3.1)	Reference	Reference	294 (6.2)	1.34 (0.96-1.88)	0.089
Female	941	30 (3.2)	1.07 (0.71-1.63)	0.803	44 (4.7)	Reference	Reference
Age groups
17-25 yrs	2396	76 (3.6)	1.09 (0.70-1.72)	0.768	145 (6.1)	1.35 (0.95-1.92)	0.098
26-35 yrs	2169	66 (3.0)	1.05 (0.66-1.66)	0.928	139 (6.4)	1.43 (1.01-2.04)	0.045
36- 45 yrs	1030	30 (2.9)	Reference	Reference	47 (4.6)	Reference	Reference
˃ 45 yrs	111	4 (3.6)	1.25 (0.37-3.80)	0.565	7 (6.3)	1.41 (0.57-3.34)	0.558