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Table 2 Univariate analysis of syphilis seroprevalence among first-time blood donors according to their sociodemographic characteristics

From: Decline in the seroprevalence of syphilis markers among first-time blood donors in Libreville (Gabon) between 2004 and 2016

  Years   
  2004 2016   
Characteristics % (n/N) % (n/N) OR (95% CI) P-values
  8.4 (912/10904) 2.4 (230/9747) 3.78 (3.26–4.38) <0.001
Gender
 Female 6.3 (175/2773) 2.1 (46/2239) 3.21 (2.31–4.46) <0.001
 Male 10.0 (737/8131) 2.5 (184/7508) 3.97 (3.37–4.68) <0.001
Age groups (years)
 <18 4.7 (6/127) 0/15 NA NA
 18–24 4.6 (143/3114) 1.0 (30/3042) 4.83 (3.25–7.19) <0.001
 25–35 6.3 (282/4463) 1.7 (80/4713) 3.91 (3.02–5.02) <0.001
 36–45 12.5 (301/2404) 5.0 (76/1525) 2.73 (2.10–3.54) <0.001
 >45 22.6 (180/796) 9.7 (44/452) 2.71 (1.90–3.86) <0.001
First time donor type
 VNRD 8.1 (347/4246) 2.0 (36/1822) 4.42 (3.12–6.25) <0.001
 FRD 8.5 (565/6658) 2.5 (194/7925) 3.70 (3.13–4.36) <0.001
Occupation
 Healthcare workers 5.2 (3/58) 3.4 (3/89) 1.56 (0.31–8.03) 0.63
 Students 5.4 (16/298) 1.2 (31/2545) 4.60 (2.48–8.52) <0.001
 Teachers/researchers 9.2 (9/98) 7.3 (15/206) 1.29 (0.54–3.06) 0.73
 Police and armed forces 9.1 (168/1846) 1.6 (19/1196) 6.20 (3.84–10.03) <0.001
 Drivers 4.9 (8/162) 3.6 (22/613) 1.40 (0.61–3.20) 0.57
 Government employees 3.0 (7/234) 2.3 (10/437) 1.32 (0.50–3.51) 0.77
 Tailors and hairdressers 0/84 3.6 (10/282) NA NA
 Hotel and restaurant workers 0 (0/12) 9.3 (5/54) NA NA
 Merchants 8.3 (2/24) 3.1 (3/98) 2.88 (0.45–18.28) 0.25
 Others 8.6 (699/8088) 2.7 (112/4227) 3.48 (2.84–4.26) <0.001
  1. VNRD volunteer non-remunerated donor, FRD family/replacement donor, OR Odds ratio, CI Confidence Interval