Occupational exposure to inhalable agents is associated with reduced work ability: A prospective cohort study in Norway.

Background: This study aimed to assess work ability score (WAS) in 2018 based on self-reported data regarding inhalable occupational exposure and data from a northern European job-exposure matrix (N-JEM) recorded in 2013.

Methods: During the 5-year follow-up period of this population-based study, 4423 participants completed a postal questionnaire comprising self-reported questions regarding occupational exposure, work history, and WAS.

Results: Ever, weekly, and daily exposure to vapors, gas, dust and fumes (VGDF) in the last 5 years in 2013 was associated with reduced WAS in 2018. The N-JEM data showed that exposure to irritants, wood and paper dust, and mixed agricultural agents were associated with reduced WAS.

Conclusions: Exposure to several occupational inhalable substances is associated with reduced work ability. We recommend reducing inhalable occupational exposure to prevent reduced work ability.