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The effectiveness of using interferon-gamma release assays in screening immigration employees for latent tuberculosis infection.

Authors
de Perio-MA; Niemeier-RT; Groenewold-MR
Source
Int J Occup Environ Health 2011 Oct-Dec; 17(4):322-327
NIOSHTIC No.
20039819
Abstract
We assessed the prevalence of latent tuberculosis infection in immigration employees and compared two of the screening methods. Using a cross-sectional study design, we administered questionnaires regarding demographics, work, medical history, and tuberculosis risk factors to employees at two immigration facilities. Participants underwent tuberculin skin test (TST) placement and blood collection for the QuantiFERONTB Gold in-Tube (QFT-GIT) assay. Fifty-four employees underwent QFT-GIT and TST placement. All QFT-GIT results were negative, and three employees tested TST positive. Twenty-three (49 percent) of 47 employees requiring two-step TST testing underwent second TST placement. Return rates for first and second TST reading were 76 percent and 74 percent, respectively. The QFT-GIT completion rate was higher than that for TST (100 percent vs. 39 percent, P less than 0.001). Agreement between TST and QFTGIT was 94 percent. Immigration employees had low return rates for their TST reading and second TST placement. Performing the one-visit QFT-GIT has administrative and logistical advantages in this occupational group.
Keywords
Medical-screening; Respiratory-system-disorders; Screening-methods; Health-surveys; Questionnaires; Employee-exposure; Employee-health; Demographic-characteristics; Infection-control; Disease-control; Disease-transmission; Skin-tests; Blood-tests; Diagnostic-tests; Risk-analysis; Risk-factors; Bioassays
Contact
Marie A. de Perio, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 4676 Columbia Pkwy, R-10, Cincinnati, OH 45226
CODEN
IOEHFU
Publication Date
20111001
Document Type
Journal Article
Email Address
Mdeperio@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B11122011
Issue of Publication
4
ISSN
1077-3525
NIOSH Division
DSHEFS
Priority Area
Services
Source Name
International Journal of Occupational and Environmental Health
State
OH
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