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Free Content An analysis of spatial and socio-economic determinants of tuberculosis in Hermosillo, Mexico, 2000–2006

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SETTING: The city of Hermosillo, in Northwest Mexico, has a higher incidence of tuberculosis (TB) than the national average. However, the intra-urban TB distribution, which could limit the effectiveness of preventive strategies and control, is unknown.

METHODS: Using geographic information systems (GIS) and spatial analysis, we characterized the geographical distribution of TB by basic geostatistical area (BGA), and compared it with a social deprivation index. Univariate and bivariate techniques were used to detect risk areas.

RESULTS: Globally, TB in the city of Hermosillo is not spatially auto-correlated, but local clusters with high incidence and mortality rates were identified in the northwest, central-east and southwest sections of the city. BGAs with high social deprivation had an excess risk of TB.

DISCUSSION: GIS and spatial analysis are useful tools to detect high TB risk areas in the city of Hermosillo. Such areas may be vulnerable due to low socio-economic status. The study of small geographical areas in urban settings similar to Hermosillo could indicate the best course of action to be taken for TB prevention and control.
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Keywords: Mexico; geographic information systems; social deprivation; tuberculosis

Document Type: Regular Paper

Affiliations: 1: Department of Medicine and Health Sciences, University of Sonora, Hermosillo, Sonora, Mexico 2: School of Planning, Arizona State University, Tempe, Arizona, USA 3: Center for Health Studies and Society, El Colegio de Sonora, Hermosillo, Sonora, Mexico 4: Unit of Epidemiological and Health Services Research, Mexican Social Security Institute, Hermosillo, Sonora, Mexico

Publication date: 2010-06-01

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  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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