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Table 4 Univariate and multivariate analyses of risk factors associated with HBV of sugar cane cutters, Northeast and Central regions of Brazil, 2016

From: Epidemiology of HIV, syphilis, and hepatitis B and C among manual cane cutters in low-income regions of Brazil

Variable Univariate analysisa Multivariate analysisa
HBV Pvalue ORb(95% CI) HBV
Positive Negative Pvalue ORb (95% CI)
(n = 149) (595)
Age (years) (36.7; 8.9)c
 18–29 31 (19.4%) 129 (80.6%)   1   
 30–39 65 (20.4%) 254 (79.6%) 0.796 1.06 (0.66–1.71)   
  > =40 53 (20%) 212 (80%) 0.875 1.04 (0.63–1.70)   
Education (years) (4.7; 3.5)c
  < =4 74 (19.2%) 311 (80.8%)   1   
  > 4 75 (20.9%) 284 (79.1%) 0.569 1.10 (0.77–1.59)   
Civil Status
 Married 110 (18.5%) 484 (81.5%)   1   1
 Single 39 (26%) 111 (74%) 0.042 1.54 (1.02–2.35) 0.300 1.27 (0.81–1.98)
Reported shared accommodation
 No 112 (21%) 422 (79%)   1   
 Yes 37 (17.6%) 173 (82.4%) 0.304 0.80 (0.53–1.22)   
Work region
 Northeast 44 (17.7%) 204 (82.3%)   1   
 Midwest 105 (21.2%) 391 (78.8%) 0.271 1.24 (0.84–1.84)   
History of incarceration
 No 129 (19.3%) 541 (80.7%)   1   1
 Yes 20 (27%) 54 (73%) 0.115 1.55 (0.89–2.69) 0.122 1.55 (0.89–2.70)
History of marijuana use
 No 136 (20.9%) 516 (79.1%)   1   1
 Yes 13 (14.1%) 79 (85.9%) 0.134 0.62 (0.34–1.15) 0.084 0.58 (0.31–1.08)
History of cocaine/crack use
 No 147 (20.7% 564 (79.3%)   1   1
 Yes 2 (6.1%) 31 (93.9%) 0.058 0.25 (0..6–1.05) 0.067 0.26 (0.06–1.10)
Tattoos or piercings on body
 No 131 (19.8%) 530 (80.2%)   1   
 Yes 18 (21.7%) 65 (78.3%) 0.689 1.12 (0.64–1.95)   
Drinking alcohol
 No 29 (16.8%) 144 (83.2%)   1   
 Yes 120 (21%) 451 (79%) 0.222 1.32 (0.84–2.06)   
Previous transfusion
 No 144 (20.1%) 574 (79.9%)   1   
 Yes 5 (19.2%) 21 (80.8%) 0.918 0.95 (0.35–2.56)   
Previous hospitalization
 No 54 (16.2%) 280 (83.8%)   1   1
 Yes 95 (23.2%) 315 (76.8%) 0.018 1.56 (1.07–2.26) 0.027 1.53 (1.05–2.24)
Previous work accident
 No 64 (18.5%) 281 (81.5%)   1   
 Yes 85 (21.3%) 314 (78.7%) 0.350 1.18 (0.83–1.71)   
Sharing sharp personal care items
 No 78 (18.8%) 337 (81.2%)   1   
 Yes 71 (21.6%) 258 (78.4%) 0.346 1.18 (0.83–1.70)   
Age at first sexual intercourse (years) (15.7; 2.7)c
 7–15 86 (22.9%) 289 (77.1%)   1   1
  > =16 63 (17.1%) 306 (82.9%) 0.046 0.69 (0.48–0.99) 0.116 0.74 (0.51–1.07)
History of STI
 No 126 (18.9%) 539 (81.1%)   1   1
 Yes 23 (29.1%) 56 (70.9%) 0.035 1.75 (1.04–2.96) 0.088 1.59 (0.93–2.72)
History of homosexual relations
 No 139 (19.8%) 564 (80.2%)   1   
 Yes 10 (24.4%) 31 (75.6%) 0.474 1.30 (0.62–2.73)   
History of sexual abuse
 No 146 (19.9%) 589 (80.1%)   1   
 Yes 3 (33.3%) 6 (66.7%) 0.325 2.02 (0.49–8.16)   
Number of sexual partners in the last 12 months (2.6; 3.4)c
  < =1 74 (16.2%) 383 (83.8%)   1   1
  > =2 75 (26.1%) 212 (73.9%) 0.001 1.83 (1.27–2.63) 0.002 1.8 (1.25–2.60)
No condom use at least once in the past 12 months
 No 84 (22.2%) 295 (77.8%)   1   1
 Yes 65 (17.8%) 300 (82.2%) 0.138 0.76 (0.53–1.09) 0.866 1.04 (0.67–1.61)
Report of genital ulcer/sore in the last 12 months
 No 140 (19.6%) 573 (80.4%)   1   
 Yes 9 (29%) 22 (71%) 0.205 1.67 (0.75–3.72)   
Report of genital discharge in the last 12 months
 No 144 (20.1%) 574 (79.9%)   1   
 Yes 5 (19.2%) 21 (80.8%) 0.918 0.95 (0.35–2.56)   
  1. aLogistic Regression, adjusted by work region; bOdds Ratio; cMean; standard deviation