Table 4.
Univariate and multivariate analyses of risk factors associated with HBV of sugar cane cutters, Northeast and Central regions of Brazil, 2016
| 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) | ||
aLogistic Regression, adjusted by work region; bOdds Ratio; cMean; standard deviation