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Effectiveness of a worksite intervention to reduce an occupational exposure: the Minnesota Wood Dust Study.

Authors
Lazovich-D; Parker-DL; Brosseau-LM; Milton-FT; Dugan-SK; Pan-W; Hock-L
Source
Am J Publ Health 2002 Sep; 92(9):1498-1505
NIOSHTIC No.
20029532
Abstract
OBJECTIVES: This study assessed the effectiveness of an intervention to reduce wood dust, a carcinogen, by approximately 26% in small woodworking businesses. METHODS: We randomized 48 businesses to an intervention (written recommendations, technical assistance, and worker training) or comparison (written recommendations alone) condition. Changes from baseline in dust concentration, dust control methods, and worker behavior were compared between the groups 1 year later. RESULTS: At follow-up, workers in intervention relative to comparison businesses reported greater awareness, increases in stage of readiness, and behavioral changes consistent with dust control. The median dust concentration change in the intervention group from baseline to follow-up was 10.4% (95% confidence interval = -28.8%, 12.7%) lower than the change in comparison businesses. CONCLUSIONS: We attribute the smaller-than-expected reduction in wood dust to the challenge of conducting rigorous intervention effectiveness research in occupational settings.
Keywords
Wood-dusts; Woodworkers; Woodworking; Woodworking-industry; Exposure-levels; Small-businesses; Industrial-hygiene-programs; Dust-control; Training; Carcinogens; Control-technology
Contact
Division of Epidemiology, University of Minnesota, Minneapolis, Minneapolis, MN 55454
CODEN
AJHEAA
Publication Date
20020901
Document Type
Journal Article
Email Address
lazovich@epi.umn.edu
Funding Amount
800672
Funding Type
Grant
Fiscal Year
2002
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003408; Grant-Number-T42-OH-008434
Issue of Publication
9
ISSN
0090-0036
Priority Area
Research Tools and Approaches: Intervention Effectiveness Research
Source Name
American Journal of Public Health
State
MN
Performing Organization
Minnesota Department of Health, Chronic Disease and Environmental Epidemiology Section, Minneapolis, Minnesota
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