Influence of extended working hours and physical recovery on absenteeism in the footwear industry from a system dynamics model.

Ruan Eduardo Carneiro Lucas, Eugenio Andrés Díaz Merino, Luiz Bueno da Silva, Wilza Karla Dos Santos Leite, Jonhatan Magno Norte Silva, José Flávio Rique Júnior
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Abstract

Objectives. Work-related musculoskeletal disorders (WMSDs) are recurrent in the footwear industry, resulting in absenteeism. This study aimed to quantitatively analyze the influence of overtime work and physical recovery time on the occurrence of WMSD-related absenteeism using a system dynamics model. As ergonomic methods have limitations in quantitatively simulating the behavior of these relationships, the integration of computational modeling techniques has emerged as a methodological alternative to bridge this gap. Methods. An ergonomic work analysis (EWA) was developed in a production cell of a large company. A model of causal relationships (causal loop diagram) and a simulation model (flow and stock diagram) were then developed, where three scenarios for overtime and physical recovery time were analyzed. Results. Working an additional hour resulted in a 42% increase in physical overload, leading to 7.62 leave requests per year and 78.7 days of employee absenteeism. Increasing the physical recovery time by 15 min reduced the overload to 36.5%, resulting in 6.8 leave requests per year and 71.1 days of employee absenteeism. Conclusions. Properly managing excess workload and providing adequate physical recovery for professionals is necessary to mitigate the productivity impacts of absenteeism in the footwear industry.

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从系统动力学模型看延长工作时间和身体恢复对制鞋业缺勤率的影响。
目标。与工作有关的肌肉骨骼疾病(WMSDs)在制鞋业中经常发生,导致缺勤。本研究旨在利用系统动力学模型,定量分析加班和体力恢复时间对与 WMSD 相关的缺勤发生率的影响。由于人体工程学方法在定量模拟这些关系的行为方面存在局限性,因此整合计算建模技术已成为弥合这一差距的替代方法。方法在一家大型公司的一个生产单元开展了人体工程学工作分析(EWA)。然后建立了一个因果关系模型(因果循环图)和一个模拟模型(流量和存量图),对加班和体力恢复时间的三种情况进行了分析。结果如下多工作一小时,体力超负荷增加 42%,导致每年 7.62 次请假,员工缺勤 78.7 天。将体力恢复时间增加 15 分钟可将超负荷率降至 36.5%,从而导致每年 6.8 次请假申请和 71.1 天的员工缺勤。结论要减轻缺勤对制鞋业生产力的影响,就必须妥善管理过重的工作量,并为专业人员提供充足的体力恢复时间。
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CiteScore
4.80
自引率
8.30%
发文量
152
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