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Table 3 Bivariate analysis of the potential factors associated with HBV exposure in people living in poverty. Goiânia, Goiás, Central-West Region of Brazil, 2016

From: Epidemiology of hepatitis B virus infection in people living in poverty in the central-west region of Brazil

Variables Totala HBV exposure PR (95.0% CI) p-valueb
Negative Positive
Age (years) 33.0 (23.0–46) 32.0 (21.0–42.5) 47.0 (34.5–54.0) 1.03 (1.01–1.06) <0.001
Education (years) 7.0 (4.0–9.0) 7.0 (4.0–9.0) 7.0 (2.0–10.0) 0.97 (0.89–1.07) 0.657
Sex
 Male 144 130 90.3 14 9.7 1.00  
 Female 138 115 83.3 23 16.7 1.71 (0.88–3.33) 0.112
Marital status
 Married 167 147 88.0 20 12.0 1.00  
 Divorced/separated/widowed 28 23 82.1 5 17.9 1.49 (0.55–3.97) 0.424
 Single 87 75 86.2 12 13.8 1.15 (0.56–2.35) 0.699
Tattoo
 No 195 171 87.7 23 12.3 1,00  
 Yes 87 74 85.1 13 14.9 1.21 (0.61–2.38) 0.573
Body piercing
 No 219 187 85.4 32 14.6 1,00  
 Yes 63 58 92.1 5 7.9 0.54 (0.21–1.39) 0.204
Sharing of personal objects
 No 83 73 88.0 10 12.0 1,00  
 Yes 198 172 86.9 26 13.1 1.08 (0.52–2.26) 0.817
History of hepatitis in the family
 No 204 178 87.3 26 12.7 1,00  
 Yes 32 23 71.9 9 28.1 2.20 (1.03–4.70) 0.041
Blood transfusion
 No 245 216 88.2 29 11.8 1,00  
 Yes 30 24 80.0 6 20.0 1.68 (0.70–4.06) 0.242
History of imprisonment
 No 220 192 87.3 28 12.7 1,00  
 Yes 50 42 84.0 8 16.0 1,11 (0,54-2,26) 0,772
Marijuana use
 No 212 182 85.8 30 14.2 1,00  
 Yes 70 63 90.0 7 10.0 0.70 (0.31–1.60) 0.408
Crack use
 No 253 221 87.4 32 12.6 1,00  
 Yes 29 24 82.8 5 17.2 1.36 (0.53–3.49) 0.519
Intranasal cocaine use
 No 244 211 86.5 33 13.5 1,00  
 Yes 38 34 89.5 4 10.5 0.77 (0.27–2.19) 0.636
Injecting drug use
 No 278 243 87.4 35 12.6 1,00  
 Yes 4 2 50.0 2 50.0 3.97 (0.95–16.51) 0.058
Alcohol use
 No 139 128 92.1 11 7.9 1,00  
 Yes 143 117 81.8 26 18.2 2.29 (1.13–4.64) 0.021
Alcoholic dependence
 No 181 160 88.4 21 11.6 1,00  
 Yes 84 69 82.1 15 17.9 1.53 (0.79–2.98) 0.202
STIs history
 No 249 219 88.0 30 12.0 1,00  
 Yes 33 26 78.8 7 21.2 1.76 (0.77–4.00) 0.178
Treponema pallidum exposure
 Negative 252 226 89.7 26 10.3 1,00  
 Positive 30 19 63.3 11 36.7 3.55 (1.75–7.19) <0.001
Condom use at last sexual intercourse
 Yes 60 52 86.7 8 13.3 1,00  
 No 195 166 85.1 29 14.9 1.11 (0.50–2.43) 0.785
Anal sex
 No 153 129 84.3 24 15.7 1,00  
 Yes 98 85 86.7 13 13.3 0.84 (0.43–1.66) 0.626
Sexual relation homosexual
 No 233 201 86.3 32 13.7 1,00  
 Yes 21 16 76.2 5 23.8 1.73 (0.67–4.44) 0.253
Sexual intercourse with illicit drug users
 No 230 197 85.7 33 14.3 1,00  
 Yes 26 22 84.6 4 15.4 0.86 (0.45–1.64) 0.653
Sexual intercourse with sex workers
 No 195 166 85.1 29 14.9 1,00  
 Yes 60 52 86.7 8 13.3 00.89 (0.40–1.96) 0.785
Sexual intercourse with STIs carriers
 No 230 196 85.2 34 14.8 1,00  
 Yes 25 22 88.0 3 12.0 0.81 (0.24–2.64) 0.729
Sexual intercourse under the influence of alcohol
 Never 139 126 90.6 13 9.4 1,00  
 Sometimes/always 117 117 79.5 24 20.5 1.19 (1.11–4.30) 0.027
Age of first sexual intercourse 15.0 (13.5–17.0) 15.0 (14.0–16.0) 15.0 (13.0–17.5) 1.04 (0.99–1.11) 0.100
Number of sexual partners 6.0 (3.0–15.0) 6.0 (3.0–15.0) 9.0 (2.2–28.7) 1.00 (0.99–1.00) 0.792
Number of sexual partners 1.0 (1.0–1.0) 1.0 (1.0–1.0) 1.0 (1.0–1.0) 1.02 (0.90–1.15) 0.716
  1. Abbreviations: HBV: hepatitis B virus; PR: Prevalence ratio; STIs: Sexually transmitted infections; 95.0% CI: 95.0% Confidence interval
  2. Note: quantitative variables presented as medians and IQR
  3. aNumber of valid answers
  4. bWald statistic