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Table 4 Socio–demographic characteristics of blood donors by HCV and Treponema pallidum seropositivity

From: Seroprevalence of human immunodeficiency virus, hepatitis B and C viruses, and Treponema pallidum infections among blood donors at Shiyan, Central China

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