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Free Content Pulmonary tuberculosis and risk factors in Portugal: a spatial analysis

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Tuberculosis (TB) is a multidimensional disease, and interactions between individuals and groups are of extreme importance in its development. The aim of this study was to estimate the occurrence of pulmonary TB (PTB) to identify potential risk factors and to define high-risk areas in Portugal (2004–2006). The relevance of the common risk factors identified was evaluated at the national and local levels. Considering local public health at the municipality level, the main objective of this study was the support of local interventions, identifying local high-risk areas and the corresponding local risk factors. A complex statistical methodology based on correlation analysis, spatial clustering, risk maps and multivariate regression models was developed. The results showed that some areas were at higher risk of PTB than others due to high incidence of HIV/AIDS, incarceration, nonstandard (abnormal) and/or crowded accommodation, unemployment and immigrant populations. The majority of these areas showed increased TB incidence rates.
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Keywords: CLUSTERING; GIS; PLACE; PULMONARY TUBERCULOSIS; RISK AREAS; RISK FACTORS; SPACE

Document Type: Research Article

Affiliations: 1: Office of the High Commissioner for Health, Ministry of Health, Lisbon, Portugal 2: Centre for Geography and Territorial Planning, Centre of Geographical and Planning Studies, University of Coimbra, Coimbra, Portugal 3: Centre of Malaria and Tropical Diseases, Universidade Nova de Lisboa, Lisbon, Portugal; National School of Public Health, Universidade Nova de Lisboa, Lisbon, Portugal

Publication date: November 1, 2011

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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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