A Multi-Level Approach to Heat-Related Illness Prevention in Agricultural Workers

Not Applicable

Completed

• Conditions: Heat Stress Disorders
• Interventions: Other: Heat Education and Awareness Tools

• Registration Number: NCT04234802
• Lead Sponsor: University of Washington

Brief Summary

The project's primary aim is to evaluate the effectiveness of a multi-level heat prevention approach in reducing adverse heat health effects in outdoor agricultural workers

The secondary aims are to:

* Test the effectiveness of an individual-level training component designed to reduce adverse heat health effects in outdoor agricultural workers

* Evaluate the effectiveness of a workplace supervisor-level heat awareness application intended to support supervisor decisions to reduce the risk of workers experiencing adverse heat health effects

Detailed Description

Not available

Study Timeline

• Study Start: 2019-05-22
• Study First Submitted: 2020-01-14
• Study First Submitted QC: 2020-01-15
• Study First Posted: 2020-01-21
• Primary Completion: 2021-08-31
• Study Completion: 2021-09-30
• Status Verified: 2022-05
• Last Update Submitted: 2022-05-16
• Last Update Posted: 2022-05-17

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 86

Inclusion Criteria

• Speak English or Spanish, live in same dwelling and work at same farm for the season, farm where participant works must agree to collaborate

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Exclusion Criteria

Not provided

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
HEAT intervention group	Heat Education and Awareness Tools	Workers in the intervention group will receive the HEAT training, and supervisors in the intervention group will receive the HEAT awareness application and training on how to use it.

Primary Outcome Measures

Name	Time	Method
Heat-related Illness Symptoms	Approximately three months	Heat symptoms will be assessed using a short survey conducted in Spanish or English that includes questions about heat-related illness symptoms experienced over the past week. Participants will select one or more symptoms (or select 'none') from a list.
Heat Strain	Approximately three months	The body's physiological response to heat stress. Core body temperature (degrees C) will be estimated using personal baseline temperature and continuous heart rate during work shifts on several days.

Secondary Outcome Measures

Name	Time	Method
Pre/post Knowledge Assessment	Approximately three months	Short set of multiple-choice questions based on key points addressed in the one-hour training on recognition, treatment, and prevention of heat-related illness.
Pre/post Supervisor Survey	Approximately three months	Short set of interview questions to learn about heat safety practices and utilization of the HEAT awareness application for intervention group

Trial Locations

Locations (1)

Farms (confidential); 🇺🇸 Yakima, Washington, United States