Short-Term Effects of Carbonaceous Components in PM 2.5 on Pulmonary Function: A Panel Study of 37 Chinese Healthy Adults

Shichun Huang, Huan Feng, Shanshan Zuo, Jingling Liao, Mingquan He, Masayuki Shima, Kenji Tamura, Yang Li and Lu Ma
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Shichun Huang: Department of Epidemiology and Health Statistics, School of Health Sciences, Wuhan University, Wuhan 430071, China
Huan Feng: Department of Epidemiology and Health Statistics, School of Health Sciences, Wuhan University, Wuhan 430071, China
Shanshan Zuo: Department of Epidemiology and Health Statistics, School of Health Sciences, Wuhan University, Wuhan 430071, China
Jingling Liao: Department of Public Health, Wuhan University of Science and Technology School of Medicine, Wuhan 430081, China
Mingquan He: Department of Epidemiology and Health Statistics, School of Health Sciences, Wuhan University, Wuhan 430071, China
Masayuki Shima: Department of Public Health, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
Kenji Tamura: Environmental Health Sciences Division and Integrated Health Risk Assessment Section, National Institute for Environmental Studies, Tsukuba, Ibaraki 305-8506, Japan
Yang Li: Hubei Provincial Center for Diseases Prevention and Control, Wuhan 430079, China
Lu Ma: Department of Epidemiology and Health Statistics, School of Health Sciences, Wuhan University, Wuhan 430071, China

IJERPH, 2019, vol. 16, issue 13, 1-15

Abstract: Objectives: To explore the health effects of indoor/outdoor carbonaceous compositions in PM 2.5 on pulmonary function among healthy students living in the local university campus. Methods: Daily peak expiratory flow (PEF) and forced expiratory volume in 1 second (FEV 1 ) were measured among 37 healthy students in the morning and evening for four two-week periods. Concurrent concentrations of indoor and outdoor PM 2.5 (particulate matter with an aerodynamic diameter ≤ 2.5μm), carbonaceous components in PM 2.5 , ambient temperature, and relative humidity in the study area were also obtained. Mixed-effects model was applied to evaluate the associations between carbonaceous components and lung function. Different lags for the carbonaceous components were investigated. Results: In single-pollutant model, a 10 μg/m 3 increase of indoor and outdoor EC (elemental carbon) associated with −3.93 (95% CI : −6.89, −0.97) L/min and −3.21 (95% CI : −5.67, −0.75) L/min change in evening PEF at lag 0 day, respectively. Also, a 10 μg/m 3 increase of indoor and outdoor POC (primary organic carbon) concentration was significantly associated with −5.82 (95% CI : −10.82, −0.81) L/min and −7.32 (95% CI : −12.93, −1.71) L/min change of evening PEF at lag 0 day. After adjusting total mass of PM 2.5 , indoor EC consistently had a significant adverse impact on evening PEF and FEV 1 at lag3 day and a cumulative effect at lag0-3 day. Conclusions: This study suggests that carbonaceous components in PM 2.5 indeed have impacts on pulmonary function among healthy young adults especially on evening PEF. Thus, the local mitigation strategies on pollution are needed.

Keywords: carbonaceous components; fine particulate matter; healthy adults; respiratory function; mixed-effect model (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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