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Title: Thermal perception and lung function: a panel study in young adults with exercise under high outdoor temperature
Authors: Wang, Huailin
Lam, Cho Kwong Charlie
Wulayin, Maimaitiminjiang
Chen, Xin
Wang, Suhan
Ren, Meng
Lee, Jason Kai Wei 
Hang, Jian
Huang, Cunrui
Wang, Qiong
Keywords: High temperature
Thermal perception
Lung function
Thermal sensation
Thermal comfort
Issue Date: 4-Nov-2022
Publisher: SPRINGER
Citation: Wang, Huailin, Lam, Cho Kwong Charlie, Wulayin, Maimaitiminjiang, Chen, Xin, Wang, Suhan, Ren, Meng, Lee, Jason Kai Wei, Hang, Jian, Huang, Cunrui, Wang, Qiong (2022-11-04). Thermal perception and lung function: a panel study in young adults with exercise under high outdoor temperature. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY. ScholarBank@NUS Repository.
Abstract: It has been observed that high temperature exposure is associated with a reduction in lung function and some possible biological mechanisms have been suggested. However, it is unclear if thermal perception plays a role in the association. From September 3rd to 15th, 2018, in Guangzhou, China, we repeatedly measured daily thermal perception and lung function among 126 participants with outdoor military training. We performed a linear mixed model and stratified analyses by the origin of students, gender, and the training period to evaluate the effects of thermal perception on lung function. A total of 399 measurements were collected. Per vote increase in thermal sensation vote towards the “hot” direction was associated with a − 0.04 L (95% CI: − 0.08 to − 0.01) decrease in forced vital capacity (FVC), and − 0.04 L (95% CI: − 0.08 to − 0.01) decrease in forced expiratory volume in 1 s (FEV1). Per grade increase towards the “very uncomfortable” direction for thermal comfort vote was associated with an increased percentage of forced expiratory volume in 1 s (FEV1%) by 1.52% (95% CI: 0.18 to 2.86). For thermal preference, with preferred cooler vote increased by one level, FVC and FEV1 decreased by − 0.05 L/s (95% CI: − 0.08 to − 0.02) and − 0.05L/s (95% CI: − 0.08 to − 0.02), respectively. The effects of thermal perception on lung function were stronger among non-local and in the first week of training. Our study suggests that in the same high-temperature environment, thermal perception is associated with lung function, even in healthy adults.
ISSN: 0020-7128
DOI: 10.1007/s00484-022-02387-y
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