Iran Occupational Health

Background and aims:  the Car manufacturing workers due to direct exposure to machinery and wide range of ergonomic problems have high prevalence of musculoskeletal disorders rather than other industries workers. The purpose of this study was to investigate relation between pains with sick leave in an Iranian car manufacturing company. 

Methods: This case-control study was conducted at assembly plant Irankhodro Car Company. In this study 528 workers (234 case group and 294 control group) were randomly selected. Data were collected by body map and personal information questionnaire. Statistical analyses such as Mann–Whitney and χ2 test have been used for data analysis.

Results: results shown that there was no significant relationship between sick leave and pain in bodies (p<0.05). There was significant relationship between Low back pain and sick leave (p<0.001). In case group, the maximum and minimum pain relate to leg and left knee (94%) and elbow and Right forearm (3.2%) respectively. also there was maximum pain intensity in back (63.95±15.78) and minimum pain intensity in elbow and left forearm (44.88±15.55).

Conclusion: based on this study effecting factor on sick leave requires ergonomic considerations. Also preventive and modifying actions is essential for the improvement of the ergonomic working conditions of assembly workers and their lifestyle.