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DOI10.1002/ajim.23589
Practical cooling interventions for preventing heat strain in indoor factory workers in Thailand
发表日期2024
ISSN0271-3586
EISSN1097-0274
英文摘要BackgroundOccupational heat stress, exacerbated by factors such as climate change and insufficient cooling solutions, endangers the health and productivity of workers, especially in low-resource workplaces.ObjectiveTo evaluate the effectiveness of two cooling strategies in reducing physiological strain and productivity of piece-rate workers over a 9-h work shift in a southern Thailand sawmill.MethodsIn a crossover randomized control trial design, 12 (33 +/- 7 y; 1.58 +/- 0.05 m; 51 +/- 9 kg; n = 5 females) medically screened sawmill workers were randomly allocated into three groups comprising an established phase change material vest (VEST), an on-site combination cooling oasis (OASIS) (i.e., hydration, cold towels, fans, water dousing), and no cooling (CON) across 3 consecutive workdays. Physiological strain was measured via core temperature telemetry and heart rate monitoring. Productivity was determined by counting the number of pallets of wood sorted, stacked, and stowed each day.ResultsRelative to CON, OASIS lowered core temperature by 0.25 degrees C [95% confidence interval = 0.24, 0.25] and heart rate by 7 bpm [6, 9] bpm, compared to 0.17 degrees C [0.17, 0.18] and 10 [9,12] bpm reductions with VEST. It was inconclusive whether productivity was statistically lower in OASIS compared to CON (mean difference [MD] = 2.5 [-0.2, 5.2]), and was not statistically different between VEST and CON (MD = 1.4 [-1.3, 4.1]).ConclusionsBoth OASIS and VEST were effective in reducing physiological strain compared to no cooling. Their effect on productivity requires further investigation, as even small differences between interventions could lead to meaningful disparities in piece-rate worker earnings over time.
英文关键词body temperature; heart rate; heat stress disorders; hot temperature; occupational health
语种英语
WOS研究方向Public, Environmental & Occupational Health
WOS类目Public, Environmental & Occupational Health
WOS记录号WOS:001216905600001
来源期刊AMERICAN JOURNAL OF INDUSTRIAL MEDICINE
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/301421
作者单位Griffith University; Griffith University - Gold Coast Campus; Griffith University; Griffith University - Gold Coast Campus; Queensland University of Technology (QUT); Griffith University; Griffith University - Gold Coast Campus; University of Queensland; University of Queensland; University of New South Wales Sydney; University of Exeter
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. Practical cooling interventions for preventing heat strain in indoor factory workers in Thailand[J],2024.
APA (2024).Practical cooling interventions for preventing heat strain in indoor factory workers in Thailand.AMERICAN JOURNAL OF INDUSTRIAL MEDICINE.
MLA "Practical cooling interventions for preventing heat strain in indoor factory workers in Thailand".AMERICAN JOURNAL OF INDUSTRIAL MEDICINE (2024).
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