Prevention of Work-related Asthma: Study Search

Prevention LevelPrimary
AuthorGrammer
Study Year2002
CountryUSA
Molecular Weight of AgentLMW
Agent CategoryAnhydrides
Specific AgentHexahydro-phthalic anhydride (HHPA)
Occupation Workers manufacturing HHPA
Outcome/DiagnosisOccupational asthma
Activity Intervention Use of respiratory equipment (1993, 3 types: dust mask, half-face organic vapor respirator, full-face organic vapor respirator)
Participation RateStudy population was composed of 66 newly hired individuals
Intervention EffectivenessAnnual rates of OA for employees employed after 1992 was 0% in 1993 and 1994, 2.0% in 1995, 1.7% in 1996, 1.6% in 1997, and 0% in 1998 and 1999. At the study's initiation, approximately 5% of employees had OA. Statistically, use of one respirator was not superior to the others.
Page last reviewed: February 20, 2020