Investigation of the Environmental and Socio-Economic Characteristics of Counties with a High Asthma Burden to Focus Asthma Action in Utah

Maureen Vowles, Ruth Kerry, Ben Ingram and Linda Mason
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Maureen Vowles: Department of Public Health and Policy, University of Liverpool, Liverpool L69 3GB, UK
Ruth Kerry: Department of Geography, Brigham Young University, Provo, UT 84602, USA
Ben Ingram: Faculty of Engineering, Universidad de Talca, Curicó 3460000, Chile
Linda Mason: Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK

IJERPH, 2020, vol. 17, issue 14, 1-31

Abstract: Rising adult asthma prevalence (AAP) rates and asthma emergency room (AER) visits constitute a large burden on public health in Utah (UT), a high-altitude state in the Great Basin Desert, USA. This warrants an investigation of the characteristics of the counties with the highest asthma burden within UT to improve allocation of health resources and for planning. The relations between several predictor environmental, health behavior and socio-economic variables and two health outcome variables, AAP and AER visits, were investigated for UT’s 29 counties. Non-parametric statistical comparison tests, correlation and linear regression analysis were used to determine the factors significantly associated with AER visits and AAP. Regression kriging with Utah small area data (USAD) as well as socio-economic and pollution data enabled local Moran’s I cluster analysis and the investigation of moving correlations between health outcomes and risk factors. Results showed the importance of desert/mining dust and socio-economic status as AAP and AER visits were greatest in the south of the state, highlighting a marked north–south divide in terms of these factors within the state. USAD investigations also showed marked differences in pollution and socio-economic status associated with AAP within the most populous northern counties. Policies and interventions need to address socio-economic inequalities within counties and between the north and south of the state. Fine (PM 2.5 ) and coarse (PM 10 ) particulate matter monitors should be installed in towns in central and southern UT to monitor air quality as these are sparse, but in the summer, air quality can be worse here. Further research into spatiotemporal variation in air quality within UT is needed to inform public health interventions such as expanding clean fuel programs and targeted land-use policies. Efforts are also needed to examine barriers to routine asthma care.

Keywords: air pollution; Utah; asthma; elevation; altitude; aridity; PM 2.5; fine particulate matter; desert dust; inversion; mine dust; smoking; adult asthma prevalence; asthma emergency room visits; public health (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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