Contextualizing Radon Mitigation into Healthy and Sustainable Home Design in the Commonwealth of Kentucky: A Conjoint Analysis

Osama E. Mansour (), Lydia (Niang) Cing and Omar Mansour
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Osama E. Mansour: School of Engineering and Applied Sciences, Western Kentucky University, Bowling Green, KY 42101, USA
Lydia (Niang) Cing: School of Engineering and Applied Sciences, Western Kentucky University, Bowling Green, KY 42101, USA
Omar Mansour: Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA

Sustainability, 2025, vol. 17, issue 14, 1-16

Abstract: Indoor radon constitutes a public health issue in various regions across the United States as the second leading cause of lung cancer following tobacco smoke. The U.S. Environmental Protection Agency advises radon mitigation interventions for residential buildings with indoor radon concentrations exceeding the threshold level of 4 pCi/L. Despite considerable research assessing the technical effectiveness of radon mitigation systems, there remains a gap in understanding their broader influence on occupant behavior and preferences in residential design. This study aims to investigate the impact of residing in radon-mitigated homes within the Commonwealth of Kentucky—an area known for elevated radon concentrations—on occupants’ preferences regarding healthy home design attributes. The objectives of this research are twofold: firstly to determine if living in radon-mitigated homes enhances occupant awareness and consequently influences their preferences toward health-related home attributes and secondly to quantitatively evaluate and compare the relative significance homeowners assign to health-related attributes such as indoor air quality, thermal comfort, and water quality relative to conventional attributes including home size, architectural style, and neighborhood quality. The overarching purpose is to explore the potential role radon mitigation initiatives may play in motivating occupants towards healthier home construction and renovation practices. Using choice-based conjoint (CBC) analysis, this paper compares preferences reported by homeowners from radon-mitigated homes against those from non-mitigated homes. While the findings suggest a relationship between radon mitigation and increased preference for indoor air quality, the cross-sectional design limits causal interpretation, and the possibility of reverse causation—where health-conscious individuals are more likely to seek mitigation—must be considered. The results provide novel insights into how radon mitigation efforts might effectively influence occupant priorities towards integrating healthier design elements in residential environments.

Keywords: radon; mitigation; Kentucky; choice-based conjoint; healthy; sustainable; building (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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