Prevention of Work-related Asthma: Study Search Results

Study Details

Prevention Level	Secondary
Author	Dressel H
Study Year	2009
Country	Germany
Molecular Weight of Agent	HMW
Category	Animal-derived antigens
Agent	Cow dander and storage mite
Occupation	Farmers
Outcome/Diagnosis	Respiratory outcomes in farmers with occupational asthma
Activity Intervention	Educational intervention
Participation Rate	In the intervention group, 91 of 120 (76%) subjects returned for follow-up after 1 year. 43 of 91 subjects were used in the analysis.
Intervention Effectiveness	1. The geometric mean of exhaled nitric oxide fraction (FeNO) a. In the intervention group, significantly decreased from 31.5 to 25.0 ppb (p=.001). b. In the control group, increased slightly from 27.2 to 30.7 ppb. 2. Both groups had no statistically significant changes in respiratory symptoms or spirometric results (FEV1 and FEV1/FVC).