Abstract
Purpose
To compare exposure to formaldehyde, nitrogen dioxide, ozone and terpenes among office workers with and without sick building syndrome and the odds ratio for exposure. Are there significant differences?
Methods
In this cross-sectional study of office workers, we investigated the associations between exposure to formaldehyde, nitrogen dioxide, ozone, α-pinene, and d-limonene using a case–control analysis. Data on perceived general, mucosal, and skin symptoms were obtained by questionnaires. Personal exposure measurements of the compounds were performed among cases and controls, and the odds ratios for exposures to the substances, both singly and in combination, were investigated.
Results
Exposures varied for formaldehyde between 0.23 and 45 µg/m3, nitrogen dioxide between 0.26 and 110 µg/m3, ozone between <16 and 165 µg/m3, α-pinene between 0.2 and 170 µg/m3, and d-limonene between 0.8 and 1,400 µg/m3. No consistent differences in exposure odds ratios were found between cases and controls or for individual symptoms.
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Acknowledgments
The financial support of the Centre for Environmental Research in Umeå (CMF) and the Swedish Research Council Formas, and European Regional Development Fund—Botnia-Atlantica, is gratefully acknowledged.
Conflict of interest
The authors declare that they have no conflict of interest.
Ethical standard
The study was approved by the Ethical Committee of Umeå University, dnr 00-101, and the Ethical Committee at Vasa Sjukvårdsdistrikt, 86/2005. All participants gave their informed consent before included in the study.
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Glas, B., Stenberg, B., Stenlund, H. et al. Exposure to formaldehyde, nitrogen dioxide, ozone, and terpenes among office workers and associations with reported symptoms. Int Arch Occup Environ Health 88, 613–622 (2015). https://doi.org/10.1007/s00420-014-0985-y
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DOI: https://doi.org/10.1007/s00420-014-0985-y