title: Reduction in diisocyanate and non-diisocyanate sensitizer-induced occupational asthma in Ontario.
abstract: OBJECTIVE
  To investigate relative frequency and features of diisocyanate (ISO) and non-diisocyanate (N-ISO) allowed occupational asthma (OA) claims in Ontario, Canada, during a 5-year period (1998 to 2002).
  
  
  METHODS
  Records were abstracted from the Ontario Workplace Safety and Insurance Board using methodology similar to our previous investigation that had identified 30 ISO and 30 N-ISO claims/yr during 1980 to 1993.
  
  
  RESULTS
  There were 99 OA claims: 37 ISO (7.4 claims/yr) and 62 N-ISO (12.4 claims/yr). The ISO group had more males (86% vs 69%, p = 0.01), but there were no other significant differences. The commonest professions were spray painters (41%) and production workers (38%) in the ISO group and production workers (49%) and health care workers (8%) in the N-ISO group.
  
  
  CONCLUSIONS
  ISO and N-ISO claims declined from the previous period, especially for ISO, perhaps because of effective surveillance programs.
authors.affiliation: Gage Occupational and Environmental Health Unit, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Larisa V
authors.initials: LV
authors.lastname: Buyantseva
authors.forename: Gary M
authors.initials: GM
authors.lastname: Liss
authors.forename: Marcos
authors.initials: M
authors.lastname: Ribeiro
authors.forename: Michael
authors.initials: M
authors.lastname: Manno
authors.forename: Carol E
authors.initials: CE
authors.lastname: Luce
authors.forename: Susan M
authors.initials: SM
authors.lastname: Tarlo
mesh_terms: D000328:Adult; D001249:Asthma / Q000139:chemically induced* / Q000453:epidemiology*; D005260:Female; D006801:Humans; D017953:Isocyanates / Q000633:toxicity*; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000139:chemically induced* / Q000453:epidemiology*; D009864:Ontario / Q000453:epidemiology; D012189:Retrospective Studies; D012907:Smoking / Q000453:epidemiology; D014942:Workers' Compensation / Q000706:statistics & numerical data
chemical_list: D017953:Isocyanates