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The Contribution of Neighborhood Tree and Greenspace to Asthma Emergency Room Visits: An Application of Advanced Spatial Data in Los Angeles County

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  • Dohyung Kim

    (Department of Urban and Regional Planning, California State Polytechnic University, Pomona, 3801 W Temple Ave., Pomona, CA 91768, USA)

  • Yongjin Ahn

    (School of Architecture, Seoul National University of Science & Technology, Nowon-gu, Seoul 01811, Korea)

Abstract

This paper aims to investigate the role of neighborhood tree and greenspace on asthma morbidity, especially asthma emergency room visits. We employed advanced spatial data which allow for precisely capturing both the quantity and the features of tree and greenspace within a neighborhood environment. The results from the spatial regression models in Los Angeles County revealed that the features of trees and greenspace, such as the configuration of the tree canopy, the level of tree clustering, and private neighborhood greenspaces contribute to decreasing asthma morbidity, in addition to the quantity of tree and greenspace acreages. Notably, however, large scale greenspace, such as golf courses, school playgrounds, and parks fails to reduce the number of asthma emergency room visits at the statistically significant level. These findings imply that the creation of dense or clustered tree patches and small-scale neighborhood greenspaces might play a substantial role in mitigating air quality and consequently reducing asthma emergency room visits.

Suggested Citation

  • Dohyung Kim & Yongjin Ahn, 2021. "The Contribution of Neighborhood Tree and Greenspace to Asthma Emergency Room Visits: An Application of Advanced Spatial Data in Los Angeles County," IJERPH, MDPI, vol. 18(7), pages 1-12, March.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:7:p:3487-:d:525335
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    References listed on IDEAS

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    1. Dohyung Kim, 2019. "Transportation contributing factors to asthma morbidity: the case of Los Angeles County," International Journal of Urban Sciences, Taylor & Francis Journals, vol. 23(1), pages 16-29, January.
    2. Xiaoqi Feng & Thomas Astell-Burt, 2017. "Is Neighborhood Green Space Protective against Associations between Child Asthma, Neighborhood Traffic Volume and Perceived Lack of Area Safety? Multilevel Analysis of 4447 Australian Children," IJERPH, MDPI, vol. 14(5), pages 1-11, May.
    3. Miller, J.E., 2000. "The effects of race/ethnicity and income on early childhood asthma prevalence and health care use," American Journal of Public Health, American Public Health Association, vol. 90(3), pages 428-430.
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    Cited by:

    1. Anette Shekanino & Avaleen Agustin & Annette Aladefa & Jason Amezquita & Demetri Gonzalez & Emily Heldenbrand & Alyssa Hernandez & Maximus May & Anthony Nuno & Joshua Ojeda & Ashley Ortiz & Taylor Pun, 2023. "Differential Stomatal Responses to Surface Permeability by Sympatric Urban Tree Species Advance Novel Mitigation Strategy for Urban Heat Islands," Sustainability, MDPI, vol. 15(15), pages 1-11, August.
    2. Phi-Yen Nguyen & Thomas Astell-Burt & Hania Rahimi-Ardabili & Xiaoqi Feng, 2021. "Green Space Quality and Health: A Systematic Review," IJERPH, MDPI, vol. 18(21), pages 1-38, October.

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