Worked year: year (n=812): cumulative exposure of ≥1 M=178 M=7.1 years 117 100 fibre/mL-year: non-malignant RR=1.14 (95% CI: 1.09, respiratory disease 1.18). Non-malignant 117 non-malignant employment respiratory disease respiratory disease duration: 91.4 M= (n=117): SMR=2.29 (95% cumulative 5.9 years; Worked Cl: 1.89, 2.74). exposure: M=270 <1 year (n=48): respiratory 0.30 years Worked disease for those worked Worked <1 year: year (n=69): year (n=69): ≥1 ≥1 M=16.1 M=9.8 years SMR=2.62 (95% Cl: 2.04, 3.31). Author’s Worked year: ≥1 conclusion: SMRs for M=447 non-malignant respiratory disease are significantly elevated in the entire cohort and also in the sub-cohort of workers employed for 1 ≥ Detailed comparison by exposure categories was not possible for respiratory disease. Agency for Cited by US Health 542 subjects Libby, Montana Not reported Duration of Mortality due to Toxic Department consultation: community exposure: Former asbestosis was Substances of Health & mortality in employees died significantly elevated over 12=asbestosis deaths and Disease Human Libby, Montana from the 20-year period. All (1=household contact, Registry Services, (1979-1998) n=11; M=24.5 asbestosis deaths were 11=former mine (ATSDR) ATSDR & (SD=10.7; associated with the employees) (2002) Disease years mining and milling facility Registry through either previous Division employment or as a of Health household contact of a
Worked ≥1 year: M=178 117 non-malignant respiratory disease cumulative exposure: M=270 Worked <1 year: M=16.1 Worked ≥1 year: M=447 year (n=812): M=7.1 years 117 non-malignant respiratory disease employment duration: 91.4 M= 5.9 years; Worked <1 year (n=48): 0.30 years Worked ≥1 year (n=69): M=9.8 years cumulative exposure of 100 fibre/mL-year: RR=1.14 (95% CI: 1.09, 1.18). Non-malignant respiratory disease (n=117): SMR=2.29 (95% Cl: 1.89, 2.74). respiratory disease for those worked ≥1 year (n=69): SMR=2.62 (95% Cl: 2.04, 3.31). Author’s conclusion: SMRs for non-malignant respiratory disease are significantly elevated in the entire cohort and also in the sub-cohort of workers employed for ≥ 1 Detailed comparison by exposure categories was not possible for respiratory disease. Agency for Toxic Substances and Disease Registry (ATSDR) (2002) Cited by US Department of Health & Human Services, ATSDR & Disease Registry Division of Health Health consultation: mortality in Libby, Montana (1979-1998) 542 subjects 12=asbestosis deaths (1=household contact, 11=former mine employees) Libby, Montana community Not reported Duration of exposure: Former employees died from n=11; M=24.5 (SD=10.7; years Mortality due to asbestosis was significantly elevated over the 20-year period. All asbestosis deaths were associated with the mining and milling facility through either previous employment or as a household contact of a
asb_reasons10.12.2015.docx