Abstract
Background: Tuberculosis affects around 30% of the population of the world. Tuberculosis causes an increase in early mortality and thus has the potential to increase the number of years of life lost. Globalization directly or indirectly by affecting the factors that increase the susceptibility for tuberculosis infection has the potential to increase the spread and mortality due to tuberculosis. This study assessed the causal link between globalization and the years of life lost due to tuberculosis. Methods: Data from the Demographic and Health Survey (DHS) and World Bank for 2004 and 2005 were used for a number of covariates and possible mediators. Data from the Institute of Health Metrics and Evaluation (IHME) were used for the outcome variable and important globalization indicators. The primary health outcome that was studied is tuberculosis and the measure that was used to quantify tuberculosis mortality is the years of life lost (YLL). Path analysis was used. Results: The main independent variables of economic and social integration were not statistically significant. For every unit increase in the proportion of people that were using treated drinking water, there was a -0.0002 decrease in the YLL due to tuberculosis. For every unit increase in the proportion of people with earth floor, there was a 0.0002 units increase in YLL due to tuberculosis. For every unit increase in the proportion of people living using clean fuel, there was a 0.0004 decrease in the YLL due to tuberculosis. Conclusions: Social and economic globalization have no effect on the years of life lost due to tuberculosis, highlighting that globalization actually does not contribute to tuberculosis mortality. However, improving other important determinants such as sanitation, providing safe drinking water and clean households will reduce the mortality due to tuberculosis, highlighting the need to invest in them.
Highlights
Tuberculosis affects around 30% of the population of the world
This study aims to address this gap in literature through the empirical use of secondary data that is available from several international agencies to quantify and assess the causal link between globalization and the years of life lost due to tuberculosis
The results of the study show that there is no effect of social and economic globalization on the years of life lost due to tuberculosis
Summary
Tuberculosis affects around 30% of the population of the world. Tuberculosis causes an increase in early mortality and has the potential to increase the number of years of life lost. Some studies have explored the effect of globalization on tuberculosis spread and found that globalization increases the spread of tuberculosis, especially in countries with poverty and poor health systems.[7] Evidence shows that globalization has been found to have a negative effect on poverty by increasing poverty for certain underprivileged sections of the population.[8] Some of the factors which increase the susceptibility of an individual to develop tuberculosis such as living in over-crowded houses, having poor sanitation facilities, poor housing conditions, and the consumption of unsafe water are all directly related to the availability of household resources and poverty.[7,9] globalization, by directly or indirectly affecting the factors that increase the susceptibility for tuberculosis infection, has the potential to increase the spread and mortality due to tuberculosis and in turn increasing the number of years of life lost
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