The influence of polycyclic aromatic hydrocarbons on lung function in a representative sample of the Canadian population

Cakmak, Sabit; Hebbern, Chris; Cakmak, Jasmine D.; Dales, Robert E.

The influence of polycyclic aromatic hydrocarbons on lung function in a representative sample of the Canadian population

2017

Cakmak, Sabit | Hebbern, Chris | Cakmak, Jasmine D. | Dales, Robert E.

We investigated the associations between exposure to polycyclic aromatic hydrocarbons (PAHs) and selected respiratory physiologic measures in cycles 2 and 3 of the Canadian Health Measures Survey, a nationally representative population sample. Using generalized linear mixed models, we tested the association between selected PAH metabolites and 1-second forced expiratory volume (FEV1), forced vital capacity (FVC), and the ratio between the two (FEV1/FVC) in 3531 people from 6 to 79 years of age. An interquartile change in urinary PAH metabolite was associated with significant decrements in FEV1 and FVC for eight PAHs, 2-hydroxynapthalene, 1-, and 2-hydroxyphenanthrene, 2-, 3-, and 9-hydroxyfluorene and 3- and 4-hydroxyphenanthrene. Exposure to PAH may negatively affect lung function in the Canadian population.

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