Impact of Air Pollution and Allergic Status on Health-Related Quality of Life among University Students in Northern Thailand

Tipanan Pisithkul, Tippapha Pisithkul and Mongkol Lao-Araya ()
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Tipanan Pisithkul: Division of Allergy and Clinical Immunology, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
Tippapha Pisithkul: Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai 50290, Thailand
Mongkol Lao-Araya: Division of Allergy and Clinical Immunology, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand

IJERPH, 2024, vol. 21, issue 4, 1-10

Abstract: Background: Global awareness of ambient air pollution has heightened due to its detrimental impact on health, particularly in regions with elevated PM 2.5 levels. Chiang Mai has emerged as an area experiencing the highest PM 2.5 levels in Thailand. Objectives: to examine the prevalence of respiratory allergies and assess the impact of air pollution on the health-related quality of life (QoL) among university students in Chiang Mai. Methods: Chiang Mai University (CMU) and Maejo University (MJU) students were recruited. The Global Asthma Network (GAN) questionnaire screened for respiratory allergies (RAs). The disease-specific QoL questionnaire (Rcq-36) was administered twice during low-PM 2.5 and high-PM 2.5 seasons to evaluate air pollution’s impact on health-related QoL. Those showing potential RAs underwent a skin prick test (SPT) to investigate allergic sensitization. Results: Out of 406 participants, 131 (32%) reported respiratory allergies. Among those undergoing SPT, a high rate (82.54%) had positive results. Across both universities, students reported significantly lower QoL in multiple domains, particularly respiratory, eye, sleep, and emotional well-being, during the high-PM 2.5 season. This aligned with their poorer self-reported health on a visual analog scale (VAS; p -value < 0.01). PM 2.5 levels significantly impacted social functioning for CMU students ( p -value = 0.001) and role limitations for MJU students ( p -value < 0.001). Notably, participants without respiratory allergies (non-RAs) were more significantly affected by PM 2.5 than RA participants in almost all parameters, despite experiencing fewer baseline symptoms. Conclusions: Respiratory allergies, particularly allergic rhinitis, are prevalent among university students in Chiang Mai. This study underscores the substantial negative impact of ambient air pollution on QoL for both allergic and non-allergic students.

Keywords: particulate matter; PM 2.5; allergy; rhinitis; Thailand; well-being (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
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