Prevention of Work-related Asthma: Study Search

Prevention LevelSecondary
AuthorMarabini
Study Year1993
CountryCanada
Molecular Weight of AgentLMW
Agent CategoryWood dust or bark
Specific AgentRed Cedar
Occupation Lumber industry workers
Outcome/DiagnosisOccupational asthma
Activity Intervention Removal from exposure (mean: 58 months - exposed workers; 79 months - unexposed workers; 68 months - unemployed)
Participation RateLimitation: no report of participation rate
Intervention EffectivenessSubjects with continued exposure (n=48) presented with more wheeze or shortness of breath (p<0.005), asthma severity (p<0.05), and medication use (p<0.05) than unexposed (n=27) and unemployed (n=53) subjects at follow-up. Declines in wheeze (p<0.001) and cough (p<0.01) were associated with unexposed workers in comparison to exposed workers.
Page last reviewed: February 20, 2020