Prevention of Work-related Asthma: Study Search

Prevention LevelSecondary
Study Year1998
Molecular Weight of AgentHMW
Agent CategoryPlants
Specific AgentGrain dust
Occupation Farmers
Outcome/DiagnosisOccupational asthma
Activity Intervention Use of respiratory protective equipment (mean: 21 weeks)
Participation RateLimitation: no report of participation rate
Intervention EffectivenessIncreases were observed for airway resistance, thoracic gas volume, and specific airway resistance (p<0.001). On average, these increases were 50-80% smaller with use of respiratory equipment than without, the comparison being statistically significant.
Page last reviewed: February 20, 2020