Table 4.

Socio–demographic characteristics of blood donors by HCV and Treponema pallidum seropositivity

Characteristics	HCV No. (%, 95 % CI)	OR (95 % CI)	P-Values	T. pallidum No. (%, 95 % CI)	OR (95 % CI)	P-Values
Gender
Male	235 (0.19, 0.17–0.21)	1.00	N/A	569 (0.46, 0.42–0.5)	1.00	N/A
Female	179 (0.20, 0.17–0.23)	1.06 (0.87–1.28)	0.583	629 (0.71, 0.65–0.77)	1.54 (1.37–1.72)	0.000
Age group (years)
18–25	132 (0.23, 0.19–0.27)	1.27 (0.93–1.72)	0.128	132 (0.23, 0.19–0.27)	0.33 (0.27–0.41)	0.000
26–35	96 (0.18, 0.14–0.22)	0.97 (0.70–1.33)	0.831	338 (0.63, 0.56–0.7)	0.89 (0.75–1.05)	0.175
36–45	126 (0.18, 0.15–0.21)	0.99 (0.73–1.34)	0.928	499 (0.72, 0.66–0.78)	1.02 (0.88–1.20)	0.775
>45	60 (0.18, 0.13–0.23)	1.00	N/A	229 (0.71, 0.62–0.8)	1.00	N/A
Occupation
Worker	46 (0.12, 0.09–0.15)	1.00	N/A	228 (0.59, 0.51–0.67)	1.00	N/A
Student	66 (0.29, 0.22–0.36)	2.43 (1.67–3.54)	0.000	32 (0.14, 0.09–0.19)	0.24 (0.16–0.34)	0.000
Farmer	59 (0.31, 0.23–0.39)	2.59 (1.76–3.82)	0.000	191 (1.00, 0.86–1.14)	1.70 (1.40–2.06)	0.000
Merchant	38 (0.20, 0.14–0.26)	1.70 (1.11–2.62)	0.014	136 (0.73, 0.61–0.85)	1.23 (0.99–1.52)	0.056
Office staff	18 (0.12, 0.06–0.18)	1.04 (0.60–1.79)	0.888	79 (0.55, 0.43–0.67)	0.92 (0.71–1.19)	0.526
Doctor	18 (0.14, 0.08–0.2)	1.14 (0.66–1.96)	0.640	20 (0.15, 0.08–0.22)	0.25 (0.16–0.40)	0.000
Govt. employee	20 (0.17, 0.1–0.24)	1.39 (0.82–2.35)	0.218	47 (0.39, 0.28–0.5)	0.66 (0.48–0.90)	0.008
Teacher	13 (0.16, 0.07–0.25)	1.32 (0.71–2.45)	0.374	25 (0.30, 0.18–0.42)	0.51 (0.34–0.77)	0.001
Soldier	1 (0.06, −0.06–0.18)	0.53 (0.07–3.84)	0.792	3 (0.19, −0.03–0.41)	0.32 (0.10–1.0)	0.039
Others	135 (0.21, 0.17–0.25)	1.78 (1.27–2.48)	0.001	437 (0.69, 0.63–0.75)	1.16 (0.99–1.36)	0.071

Note: No., OR, N/A and 95 % CI represent Number, Odd Rate, No data and 95 % confidence interval, respectively