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

Gerardo Álvarez-Hernández, Francisco Lara-Valencia, P. A. Reyes-Castro, R. A. Rascón-Pacheco

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)708-713
Number of pages6
JournalInternational Journal of Tuberculosis and Lung Disease
Issue number6
StatePublished - Jun 2010


  • Geographic information systems
  • Mexico
  • Social deprivation
  • Tuberculosis

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Infectious Diseases


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