Table 2

Age-adjusted odds ratio of hepatitis C infection for blood route-related factors in the urban Brazilian population
Risk factors Participants HCV infection n (%) ORadjusted (CI)* p-value
Dental treatment
 Never 2,034 22 (1.1) 1.0 -
 Past 12 months 8,655 99 (1.1) 0.77 (0.41 – 1.47) 0.436
 Ever 8,772 114 (1.3) 0.91 (0.47 – 1.77) 0.795
Surgery
 Never 11,481 108 (0.9) 1.0 -
 Past 12 months 1,689 31 (1.8) 1.38 (0.72 – 2.64) 0.327
 Ever 6,270 96 (1.5) 0.93 (0.60 – 1.42) 0.730
Blood transfusion
 Never 18,122 196 (1.1) 1.0 -
 Past 12 months 256 10 (3.9) 1.45 (0.65 – 3.21) 0.365
 Ever 843 24 (2.9) 1.83 (1.01 – 3.30) 0.043
Hospitalization
 Never 13,095 143 (1.1) 1.0 -
 Past 12 months 1,308 25 (1.9) 1.87 (1.04 – 3.38) 0.037
 Ever 5,032 67 (1.3) 1.46 (0.97 – 2.19) 0.065
Endoscopy
 Never 16,695 190 (1.1) 1.0 -
 Past 12 months 904 13 (1.4) 1.14 (0.53 – 2.47) 0.729
 Ever 1,785 29 (1.6) 1.17 (0.64 – 2.15) 0.615
Tatoo
 No 18,034 202 (1.1) 1.0 -
 Yes 1,459 33 (2.3) 1.63 (0.95 – 2.80) 0.076
Body piercing
 No 17,859 215 (1.2) 1.0 -
 Yes 1,634 20 (1.2) 0.97 (0.51 – 1.87) 0.935
Health-care related job
 No 15,424 195 (1.3) 1.0 -
 Yes 1,206 20 (1.7) 0.91 (0.46 – 1.80) 0.783

* Adjusted for random effect and age weighted by age groups and regions.

Pereira et al.

Pereira et al. BMC Infectious Diseases 2013 13:60   doi:10.1186/1471-2334-13-60

Open Data