1Tuberculosis Surveillance and Research Department, National Center for Communicable Diseases, Mongolia
2Mongolian Anti Tuberculosis Coalition
3Department of Epidemiology and Biostatistics, Health Sciences University of Mongolia
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Tuberculosis (TB) has been recognized as an occupational hazard for health care workers in many countries. In the last few years, number of MDR TB cases and even deaths registered among health care workers. Therefore, the screening of people employed in the health care sector for active and LTBI is fundamental to infection control programmers’ in health care facilities. A cross sectional study was conducted including 844 health care workers who working in randomly selected health care facilities in the capital Ulaanbaatar city from January to June 2012. The overall prevalence rate of latent tuberculosis infection among health care workers was 52.1% (95% CI 48.8-55.5). The prevalence rate of latent TB infection among men is 55.7% (95% CI: 45.3%; 65.4%) while among women this rate is 51.7% (95% CI: 48.2%; 55.2%) (p=0.481). Presence active tuberculosis was 6 (0.7%) cases and inactive tuberculosis was 53 (6.3%) cases among health care workers, the overall prevalence rate of TB disease is 699/10000 and prevalence of TB disease for HCWs working in TB-related health care facilities 19.4% was significantly high (p<0.001).
On multivariate analysis, the risk factors found to be significantly associated with latent tuberculosis infection were working at tuberculosis facilities aOR=6.8 and working at the secondary level health care service aOR=2.2, working night shift аOR=1.5 (p<0.001).
The prevalence of latent tuberculosis infection among health care workers in Mongolia was relatively same level of low and middle income counters. The result of our study demonstrates that TB is a significant occupational problem among health care workers in Mongolia.
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