RISK ASSESSMENT OF DEVELOPING DISTAL UPPER EXTREMITY DISORDERS BY STRAIN INDEX METHOD IN AN ASSEMBLING ELECTRONIC INDUSTRY

The strain index (si) is a substantial advancement and has been devised to analyzeergonomic risks for distal upper extremity (due) disorders. this semi-quantitative tool allows for themeasurement of hazards and does not require unduly lengthy training to begin to use it accurately. usesof the strain index include analysis of a current job to assess whether it is safe or hazardous,quantification of the risks, and assistance in the initial design of a job or in the redesign of a job. theaim of this study was to assess and analyze risk of developing dlje disorders in different jobs as well ashazard classification in an assembling electronic industry through si method. also, due disordersprevalence, work-related absenteeism and turnover extracted from si results were compared andassessed by those obtained by nordic musculoskeletal questionnaire (nmq). the findings of this studyshowed that more than 500/0 of investigated jobs are categorized as hazardous and there is asignificant difference between si mean in hazardous and safe jobs (p < 0.0001). in addition, significantdifference was found between prevalence of due disorders in safe and hazardous jobs (p < 0.049).but, no significant difference (p = 0.3) was obtained between mean absenteeism in safe andhazardous jobs. also, no significant difference statistically was found between turnover in safe andhazardous jobs (x2= 0.133, p = 1) and high prevalence of due disorders is due to low turnover rate ofvorkers.