Table 2 Prevalence ratios* for risk factors in HBV-positive and HBV-negative groups.
From: Risk factors for hepatitis B virus infection in Rio de Janeiro, Brazil
HBV-positive† (n = 616) | HBV-negative §(n = 933) | HBV-positive Versus HBV-negative* | |||||
|---|---|---|---|---|---|---|---|
n | % | n | % | PR | 95% CI | P | |
Male gender' | 389 | 63 | 437 | 47 | 1.4 | 1.24 – 1.50 | < .0001 |
Blood transfusion | 94 | 15 | 132 | 14 | 1.0 | 0.79 – 1.29 | 0.90 |
Surgery | 249 | 40 | 343 | 37 | 1.1 | 0.93 – 1.18 | 0.42 |
Health-care professional | 46 | 8 | 73 | 8 | 1.3 | 0.87 – 1.84 | 0.21 |
Hemodialysis | 55 | 9 | 69 | 8 | 1.3 | 0.84 – 1.97 | 0.27 |
IDU | 7 | 1 | 5 | 0.5 | 1.9 | 0.58 – 5.90 | 0.31 |
Intranasal cocaine use | 28 | 5 | 24 | 3 | 1.6 | 0.93 – 2.74 | 0.11 |
Tattoo | 24 | 4 | 25 | 3 | 1.5 | 0.85 – 2.63 | 0.17 |
STD | 61 | 10 | 65 | 7 | 1.1 | 0.75 – 1.46 | 0.78 |
Multiple sexual partners | 72 | 12 | 58 | 6 | 1.5 | 1.06 – 2.07 | 0.02 |
Homosexuality | 20 | 3 | 20 | 2 | 1.1 | 0.58 – 1.95 | 0.87 |
Non or incomplete schooling | 363 | 59 | 536 | 58 | 1.00 | 0.89 – 1.05 | 0.47 |
Monthly wage (< 225 U$) | 284 | 46 | 447 | 48 | 0.95 | 0.86 – 1.06 | 0.39 |
Living in AP3 region | 210 | 34 | 311 | 34 | 1.00 | 0.86–1.15 | 0.96 |