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National use of asbestos in relation to economic development
Giang Vinh Le1, Ken Takahashi, Antti Karjalainen
1Department of Environmental Epidemiology, University of Occupational and Environmental Health, Yahatanishiku, Kitakyushu, Japan.
Background:
National disparities in asbestos use will likely lead to an unequal burden of asbestos diseases.
Objectives:
As economic status may be linked to asbestos use, we assessed, globally, the relationship between indicators of national economic development and asbestos use.
Methods:
For the 135 countries that have ever used asbestos, per capita asbestos use (kilograms per capita per year) was compared with per capita gross domestic product (GDP) in 1990 Geary-Khamis dollars (GKD) for the period 1920-2003. Countries were grouped into three income levels (high, middle, and low) that were adapted from the 2003 World Bank categories.
Results:
The historical pattern of asbestos use followed the environmental Kuznets curve in which use by high-income countries peaked when incomes attained 10,000-15,000 GKD and essentially ceased at income levels over 20,000 GKD. Currently, middle- and low-income countries are increasing their use of asbestos, closely following the paths once traced by higher income countries.
Conclusions:
Developing countries have the opportunity to eliminate asbestos use sooner than high-income countries and thus reduce the future burden of asbestos diseases.