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International Journal of Occupational Hygiene، جلد ۱۴، شماره ۴، صفحات ۱۸۰-۱۸۸
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عنوان انگلیسی Combating Fatigue in the Office: Findings of a Participatory Ergonomics Intervention
چکیده انگلیسی مقاله Background: The nature of unstandardized office work exposes call center agents not only to work-related musculoskeletal disorders (WRMSDs) but also to other mental and physical adversities. Despite this, the occupational health literature presents a surprising paucity of research on fatigue management interventions among call center agents. Accordingly, a participatory ergonomics intervention was designed to examine its effects on workers’ mental and physical fatigue. Methods: A quasi-experimental participatory interventional study using a single-arm pretest-posttest design was conducted among 84 call center agents at a private telecommunications company in Tehran, Iran. Prior to the intervention, data on mental and physical fatigue were collected via SOFI questionnaires. Participants then took part in a multifaceted intervention program comprising comprehensive office ergonomics training, work layout improvement, supervised on-site face-to-face visits, and provision of quality break time that included a regular exercise program. A follow-up evaluation was conducted after a six-month period. The Wilcoxon signed-rank test was applied to compare participants’ perceived mental and physical fatigue before and after the intervention. Results: The intervention had a significant effect on reducing the overall fatigue scale score (P < 0.01). However, the results for the subscales were mixed. “Lack of energy” was reported to decrease meaningfully (P < 0.01), while “lack of motivation” and “sleepiness” did not change significantly. Regarding physical fatigue, “physical discomfort” was perceived to be alleviated by the intervention (P < 0.001), although the condition of “physical exertion” did not improve significantly. Conclusion: The findings indicated that the intervention had mixed effects on different aspects of employees’ fatigue. Customizing interventions to target specific facets of occupational fatigue could be an effective strategy. Moreover, this study contributes to the growing body of literature suggesting that participatory ergonomic interventions can help improve work systems, particularly in managing occupational fatigue.
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نویسندگان مقاله | Ali Seyed Sharifi
Department of industrial safety engineering, Caspian Higher Education Institute, Tehran, Iran


| Mojtaba K. Danesh
Department of Occupational Health engineering, Tehran University of Medical Sciences, Tehran, Iran


| Reza Gholamnia
Department of Safety Engineering, Faculty of Health, Safety and Environment, Shahid Beheshti University of Medical Science, Tehran, Iran
نشانی اینترنتی https://ijoh.tums.ac.ir/index.php/ijoh/article/view/638
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