Prevention of Work-related Asthma: Study Search Results

Study Details

Prevention Level	Secondary
Author	Allard
Study Year	1989
Country	Canada
Molecular Weight of Agent	Both
Category	Various
Agent	N/A
Occupation	Various occupations (Includes cohort reported by Hudson, 1985)
Outcome/Diagnosis	Occupational asthma
Activity Intervention	Removal from exposure (mean: 2.3 years, 5.8 years)
Participation Rate	26 of 32 eligible subjects (Participation rate: 81%)
Intervention Effectiveness	All subjects (n=26) were symptomatic at both follow-ups. There were no changes in medication use, spirometry, or bronchial hyperresponsiveness. Increased bronchial hyperresponsiveness was associated with duration of exposure after onset of symptoms.