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Chronic airflow obstruction attributable to poverty in the multinational Burden of Obstructive Lung Disease (BOLD)
Jaymini H Patel1, Andre F S Amaral2, Cosetta Minelli2
1National Heart and Lung Institute, Imperial College London, London, UK j.patel@imperial.ac.uk.
Abstract:
Poverty is strongly associated with all-cause and chronic obstructive pulmonary disease (COPD) mortality. Less is known about the contribution of poverty to spirometrically defined chronic airflow obstruction (CAO)-a key characteristic of COPD. Using cross-sectional data from an asset-based questionnaire to define poverty in 21 sites of the Burden of Obstructive Lung Disease study, we estimated the risk of CAO attributable to poverty. Up to 6% of the population over 40 years had CAO attributable to poverty. Understanding the relationship between poverty and CAO might suggest ways to improve lung health, especially in low-income and middle-income countries.
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