Prevalence of pulmonary tuberculosis and associated risk factors among people working in two Marble Stone Factories in Tigray Region, Northern Ethiopia
DOI:
https://doi.org/10.20372/ejphn.v6i1.360Keywords:
Marble stone factory, prevalence, pulmonary tuberculosis, risk factors, Tigray region, Northern EthiopiaAbstract
Background: Tuberculosis is a chronic infectious disease caused mainly by Mycobacterium tubercule that causes severe public health problem in Ethiopia. Employees working in construction, mines and stone crushing are exposed to silica dust, and hence, are expected to be vulnerable to pulmonary tuberculosis. However, there is little information on the epidemiology of pulmonary tuberculosis in people working in construction and stone crushing marble factories. This study was, therefore, conducted to estimate the prevalence of pulmonary tuberculosis and to assess associated risk factors in employees working in Saba and Semayata Marble Stone factories, Tigray, Northern Ethiopia.
Methods: A cross-sectional study was conducted in people working in Saba and Semayata marble stone factories between February and April 2018. A total of 106 study participants were selected using simple random sampling and then screened for pulmonary tuberculosis based on cardinal signs and symptoms. Sputum samples were collected from participants with symptoms of pulmonary tuberculosis and tested with GeneXpert MTB/RIF for the diagnosis of M. tuberculosis. Data were analyzed using SPSS version 20.0. Associations of the potential risk factors with the prevalence were assessed using binary and multivariable logistic regression analyses. Variables which had a P value less than 0.05 were considered statistically significant in the final model.
Result: The prevalence of pulmonary tuberculosis was 1.9% (95% CI, 1.87-1.93). Work experience (AOR=1.48, 95%CI=1.03-8.58), history of contact with chronic coughers (AOR= 4.0, 95% CI=1.19-14.02) and loss of appetite (AOR=8.6, 95% CI=2.0-32.52) were significantly associated with the prevalence of pulmonary TB in people working in Saba and Semayata Marble Stone factories
Conclusion: The prevalence of pulmonary tuberculosis among employees working in Saba and Semayata marble stone factories was relatively higher as compared to the Ethiopian National prevalence of pulmonary tuberculosis, which warrants for strengthening of systematic screening for tuberculosis prevention and control activities in marble stone factories.
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