title: Differences in lung function and prevalence of pneumoconiosis between two kaolin plants.
abstract: To investigate the origin of differences in previously published pulmonary function studies of workers in kaolin plants in Georgia, spirometric and radiographic data collected in a cross sectional survey of two large plants were analysed. As compared with workers in plant 2, workers in plant 1 had a 2.7-fold greater prevalence of pneumoconiosis and a mean 0.361 decrement in adjusted forced vital capacity. Our previous finding that exposure to kaolin was not associated with a decrement in lung function may have resulted from failure to consider differences between the plants.
authors.affiliation: Department of Environmental Health Sciences, Johns Hopkins School of Hygiene and Public Health, Baltimore, Maryland.
authors.forename: M E
authors.initials: ME
authors.lastname: Baser
authors.forename: T P
authors.initials: TP
authors.lastname: Kennedy
authors.forename: R
authors.initials: R
authors.lastname: Dodson
authors.forename: W
authors.initials: W
authors.lastname: Rawlings
authors.forename: N V
authors.initials: NV
authors.lastname: Rao
authors.forename: J R
authors.initials: JR
authors.lastname: Hoidal
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005541:Forced Expiratory Volume; D005845:Georgia / Q000453:epidemiology; D006801:Humans; D007616:Kaolin / Q000009:adverse effects*; D008168:Lung / Q000503:physiopathology*; D008875:Middle Aged; D011009:Pneumoconiosis / Q000453:epidemiology* / Q000503:physiopathology; D015995:Prevalence; D012044:Regression Analysis; D014797:Vital Capacity
chemical_list: D007616:Kaolin