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Journal Article > Research

Notified tuberculosis among Singapore residents by ethnicity, 2002–2011

Lim L KY, Enarson D, Satyanarayana S, Cutter J, Win KMK, Chee CBE, Wang YT
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Abstract
SETTING
The National Tuberculosis Programme in Singapore where, among resident cases, higher tuberculosis (TB) rates have been reported in ethnic Malays.

OBJECTIVE
To describe the socio-demographic and clinical characteristics of resident TB cases by ethnicity, and to assess whether Malays differ from other groups in terms of the above parameters.

DESIGN
Cross-sectional review of records from the tuberculosis registry's electronic database.

RESULTS
Among 15,622 resident cases notified, 72.2% were Chinese, 18.7% Malay, 5.8% Indian and 2.9% were from other minorities. Compared to other ethnicities, Malays were more likely to be incarcerated at the time of notification (odds ratio [OR] 3.70, 95%CI 3.03-4.52) and clustered at the same residential address (OR 1.65, 95%CI 1.44-1.89), but were less likely to be aged ≥65 years (OR 0.61, 95%CI 0.54-0.70) or to reside in high-cost housing (OR 0.11, 95%CI 0.07-0.17). In terms of disease characteristics, more Malays had diabetes mellitus (OR 1.54, 1.37-1.73), a highly-positive acid-fast bacilli smear (OR 1.64, 95%CI 1.47-1.83) and cavitary disease on chest X-ray (OR 1.41, 95%CI 1.28-1.55).

CONCLUSION
Compared to other ethnicities, reported TB cases among Malays were more severe and were likely to be more infectious. Increased vigilance in case management and contact investigations, as well as an improvement in the socio-economic conditions of this community, are required to reduce TB rates in this ethnic group.
Countries
Singapore
Subject Area
tuberculosisSORT-IT
DOI
10.5588/pha.13.0055
Published Date
21-Dec-2013
PubMed ID
26393053
Languages
English
Journal
Public Health Action
Volume / Issue / Pages
Volume 3, Issue 4, Pages 311-316
Issue Date
21-Dec-2013
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