Lung function in asphalt pavers: a longitudinal study

  • Bente UlvestadEmail author
  • Britt Grethe Randem
  • Øivind Skare
  • Trond Mogens Aaløkken
  • Georg Karl Myranek
  • Karine Elihn
  • May Brit Lund
Original Article



To study longitudinal changes in lung function in asphalt pavers and a reference group of road maintenance workers, and to detect possible signs of lung disease by high-resolution computed tomography (HRCT) scans.


Seventy-five asphalt pavers and 71 road maintenance workers were followed up with questionnaires and measurements of lung function. Not every worker was tested every year, but most of them had four or more measurement points. The 75 asphalt pavers were also invited to have HRCT scans of the lungs at the end of the follow-up period.


Mean annual decline in forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV1) of the asphalt pavers was 58 and 35 ml, respectively. Adjusted for age at baseline, packyears of smoking and BMI, the asphalt pavers had a significant excess annual decline in FVC and FEV1 compared to the references. The screedmen, the most exposed group of the asphalt pavers, showed a significantly larger decline in FVC than the other asphalt pavers (P = 0.029). Fine intralobular fibrosis without evident cysts was identified with HRCT in three subjects (4 %).


We conclude that our findings may indicate an excess annual decline in FVC and FEV1 related to exposure to asphalt fumes. The screedmen, who carry out their work behind and close to the paving machine, had the largest decline in lung function. The finding of adverse pulmonary effects in asphalt pavers calls for better technological solutions to prevent exposure.


Asphalt fumes Oil mist Spirometry HRCT 



We thank the workers participating in the study. The project received financial support from the Norwegian Heart and Lung Association.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© European Union 2016

Authors and Affiliations

  1. 1.National Institute of Occupational HealthOsloNorway
  2. 2.Environmental and Occupational MedicineOslo University HospitalOsloNorway
  3. 3.Department of Radiology and Nuclear Medicine, Oslo University Hospital, RikshospitaletUniversity of OsloOsloNorway
  4. 4.Department of Applied Environmental Science Stockholm UniversityStockholmSweden
  5. 5.Department of Respiratory MedicineOslo University HospitalOsloNorway
  6. 6.Institute of Clinical MedicineUniversity of OsloOsloNorway

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