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The effect of participatory heat education on agricultural worker knowledge
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4 2023
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Source: J Agromedicine. 28(2):187-198
[PDF-826.60 KB]
Details:
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Alternative Title:J Agromedicine
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Personal Author:
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Description:Objectives:
Farmworkers disproportionately experience preventable adverse health effects from heat exposure. We sought to evaluate the effect of participatory heat education on farmworker knowledge.
Methods:
We conducted a parallel, comparison group intervention study to investigate the effectiveness of a Spanish/English participatory heat education-based intervention on farmworker heat knowledge in Summer 2019. We used convenience sampling to recruit adult outdoor farmworkers from Central/Eastern Washington State, USA. Crews were randomized to receive the intervention (n=40 participants) versus not receive the intervention (n=43 participants). We assessed changes in heat knowledge, scored on a scale from 0 to 11, between baseline, immediately post-intervention, and post-season, which was approximately three months after baseline, using the Wilcoxon signed-rank test. We compared differences in knowledge scores from baseline to post-season between groups using analysis of variance.
Results:
Average knowledge scores improved from 4.6 (standard deviation [sd] 1.5) to 6.3 (sd 2.0) pre to post season in the intervention group (p<0.001). There was greater improvement in pre-post knowledge scores in the intervention (average difference 1.6, sd 2.0) versus the comparison group (average difference 0.41, sd 1.7) (p=0.04).
Conclusions:
Participatory heat training was effective in improving farmworker heat knowledge over the course of a summer season. Results of this study will be used to guide heat prevention efforts for farmworkers.
Trial registration:
ClinicalTrials.gov Registration Number: NCT04234802
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Source:
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Pubmed ID:35345983
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Pubmed Central ID:PMC9573936
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Funding:
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Volume:28
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Issue:2
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