A history of high mineral
dust exposure was seen in 40%, with the most prevalent
occupations being agricultural workers, construction workers,
freight handlers, and mechanics. High exposure to gases/fumes
was observed in 42%, with a variety of occupations, including
drivers, mechanics, painters, shoemakers, metal workers, welders,
and machine operators. Regarding overlap between the different
exposures, pairwise agreement between the different categories of
exposure ranged from 54% to 61%.