Risk factors for latent tuberculosis infection among health-care workers in northeastern thailand.
RISK FACTORS FOR LATENT TUBERCULOSIS INFECTION AMONG HEALTH-CARE WORKERS IN NORTHEASTERN THAILAND.
Southeast Asian J Trop Med Public Health. 2016 Nov;47(6):1198-1208
Authors: Nonghanphithak D, Reechaipichitkul W, Chaiyasung T, Faksri K
Abstract
Health-care workers (HCWs) are a high-risk population for acquiring
Mycobacterium tuberculosis infection. Understanding the risk factors for latent tuberculosis
infection (LTBI) could provide information to facilitate an appropriate
tuberculosis (TB) control program. We aimed to determine the prevalence of, and
risk factors for LTBI among HCWs in northeastern Thailand. Between 1 November
2013 and 30 September 2015, we examined 112 HCWs at Srinagarind Hospital,
Khon Kaen Province in northeastern Thailand using the QuantiFERON®-TB
Gold In-Tube (QFT) assay. Twenty-one [18.8%; 95% confidence interval (CI): 11.5-
26.0%] HCWs had a positive QFT result — all of whom were determined to have
LTBI. The exposure risks and demographic data obtained from a questionnaire
were compared between the 21 subjects who had a positive QFT assay and the
91 subjects who had a negative QFT assay. Multivariate analysis showed factors
significantly associated with a positive QFT assay were: age ≥30 years (OR=18.88;
95%CI: 1.52-234.36), having worked as a nurse (OR=2.78; 95%CI: 1.19-6.49), having
been employed at that job for ≥10 years (OR=8.78; 95%CI: 1.26-61.29) and having
been exposed to known TB patients (OR=1...
Source: Southeast Asian Journal of Tropical Medicine and Public Health - Category: Tropical Medicine Tags: Southeast Asian J Trop Med Public Health Source Type: research
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