Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36321
Title: Effectiveness of computerized risk assessment system on enhancing workers' occupational health and attitudes towards occupational health
Authors: Ho, WY
Sung, CYY
Yu, QH
Chan, CCH 
Keywords: DSE RAM system
Occupational health
Effectiveness
Ergonomics
Issue Date: 2014
Publisher: IOS Press
Source: Work, 2014, v. 48, no. 4, p. 471-484 How to cite?
Journal: Work 
Abstract: BACKGROUND: Efforts have been paid to lower the health risks associated with use of computers at the workplace. Computerized risk assessment systems are available in the market for adoption by companies.
OBJECTIVES: The Display Screen Equipment Risk Assessment and Management System was designed for conducting risk assessment and providing intelligent-driven solutions for DSE-related occupational health problems. This report summarizes two consecutive research work conducted on evaluating its effect in reducing body discomfort and mental fatigue, and enhancing sedentary workers' occupational health.
METHODS: Convenience sampling was adopted to recruit participants (111 participants for Study 1 and 75 participants for Study 2 who were randomly assigned to an immediate or a delayed intervention group. The intervention was using DSE RAM System to perform a risk assessment followed by an immediate modification of participant's workstation based on the recommendations generated by the System. Face to face interview was conducted and participants completed three sets of questionnaires right before the assessment and two weeks after the intervention.
RESULTS: The results of Study 1 revealed that the DSE RAM System was effective for alleviating the discomfort and fatigue levels by rectifying the workstation-worker match. These mismatches were identified to be the heights of monitor, keyboard and chair with the workers. The results of Study 2 indicate that the System was specific for promoting participants to take more frequent rest breaks (OR: 3.65) and pay more attention to occupational safety and health information (OR: 3.90). In particular, the take frequent rest breaks behavior was found to predict decrease in discomfort in the eyes and mental fatigue (lack of energy). Nevertheless, there was no strong evidence on the use of the System can lead to immediate attitudinal changes towards occupational health and safety.
CONCLUSION: The findings support the notion that workers' participation and integration of ergonomics into the management are important for successful implementation of occupational health programs. Together with educational and skill training sessions on occupational health at the workplace, the DSE RAM System offers a venue for implementing participatory ergonomics at the workplace.
URI: http://hdl.handle.net/10397/36321
ISSN: 1051-9815
EISSN: 1875-9270
DOI: 10.3233/WOR-141916
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