Prevention of Work-related Asthma: Study Search Results

Study Details

Prevention Level	Primary
Author	Grammer
Study Year	2002
Country	USA
Molecular Weight of Agent	LMW
Category	Anhydrides
Agent	Hexahydro-phthalic anhydride (HHPA)
Occupation	Workers manufacturing HHPA
Outcome/Diagnosis	Occupational asthma
Activity Intervention	Use of respiratory equipment (1993, 3 types: dust mask, half-face organic vapor respirator, full-face organic vapor respirator)
Participation Rate	Study population was composed of 66 newly hired individuals
Intervention Effectiveness	Annual 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.