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oa Southern African Journal of Epidemiology and Infection - Risk factors for latent tuberculosis infection among healthcare workers in a university-affiliated hospital : original research

Volume 27, Issue 1
  • ISSN : 1015-8782
  • E-ISSN: 2220-1084

 

Abstract

Healthcare workers represent an important risk group for exposure, infection, and potentially disease by . The aim of this study was to assess the prevalence and risk factors for latent tuberculosis infection among healthcare workers in a teaching hospital. A cross-sectional study was conducted in 2009 at the Fatemieh Hospital, Semnan, Iran. Information about age, gender, occupation, history of BCG vaccination and duration of employment was obtained by a structured questionnaire. All subjects received a Mantoux tuberculin skin test. Induration of ≥10 mm was considered a positive test. A total of 180 healthcare workers (60.5% female, 39.5% male) were enrolled. Twenty-five (13.9%) had a positive skin test. History of BCG vaccination was detected in 159 (88.3%) of participants. In logistic regression analysis, employment for >five years (OR=4.10; 95% CI, 1.07-15.68) and for >10 years (OR=4.59; 95% CI, 1.45-14.59) was significantly associated with increased risk of a positive test. Age, gender, history of BCG vaccination and type of occupation were not significantly associated with a positive TST response. A low prevalence of latent tuberculosis infection was found among healthcare workers in this hospital. Longer duration of employment was significantly associated with increased risk of positive tuberculin skin test.

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/content/mp_sajei/27/1/EJC119186
2012-01-01
2017-10-18

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