You are viewing the site in preview mode

Skip to main content

Advertisement

Table 4 HBV infection by past exposure to potential risk factors among HCWs at KCMC Moshi Tanzania 2016/17

From: Seroprevalence of hepatitis B virus infection and associated factors among healthcare workers in northern Tanzania

Variable Total Serology n (%) χ2* p-value
Negative Positive   
History of surgery*     8.897 0.003**
Yes 144 129 (89.6) 15 (10.4)   
No 295 285 (96.6) 10 (3.4)   
History of blood splash to the eyes or mouth*     2.137 2.26**
Yes 121 111 (91.7) 10 (8.3)   
No 316 301 (95.3) 15 (4.7)   
Don’t know 2 2 (100) 0 (0)   
Ever had intravenous injections*     0.446 0.78**
Yes 365 343 (94.0) 22 (6.0)   
No 74 71 (96.0) 3 (4.0)   
Ever had intramuscular injections*     0.414 0.75**
Yes 386 363 (94.0) 23 (6.0)   
No 53 51 (96.2) 2 (3.8)   
History of needle stick injury*     0.452 0.50
Yes 165 154 (93.3) 11 (6.8)   
No 273 259 (94.9) 14 (5.1)   
History of invasive procedure such as endoscopy*     0.151 1.00**
Yes 39 37 (94.9) 2 (5.1)   
No 397 374 (94.2) 23 (5.8)   
Don’t know 2 2 (100) 0 (0)   
Ever had blood transfusion*     65.946 < 0.001
Yes 34 22 (64.7) 12 (35.3)   
No 399 388 (97.2) 11 (2.8)   
HBV Vaccine uptake*     23.420 < 0.001**
Yes 293 289 (98.6) 4 (1.4)   
No 142 125 (88.0) 17 (12.0)   
Knowledge on HBV infection     5.886 0.04**
Poor 108 98 (90.7) 10 (9.3)   
Fair 217 204 (94.0) 13 (6.0)   
Good 114 112 (98.2) 2 (1.8)   
  1. *Frequencies do not tally to the total due to missing values either in the outcome variable (serology status) or the independent variables, this also causes variations from numbers in Table 4; **p-value by Fisher’s exact estimation