Findings of the present study showed that job du-ration and BMI were significantly associated with musculoskeletal symptoms in the different body re-gions. BMI of workers had a role in improving their efficacy and obese workers had higher chance of musculoskeletal disorders and work related trauma. We need to ergonomic programs for change BMI of our workers and help us to achieve suitable BMI and physical fitness. Previous researches showed that re-cently employed workers in a company had more chance to encounter with occupational injuries than workers who have been employed for longer period of time.23-26ื Patients with lower job duration did not have enough experience for to meet risk factors be-
cause this situation had impacts on their interactions with workplaces and other workers and knowing about surrounding hazards.23 Other potential explanation of reporting lower musculoskeletal disorders’ prevalence in workers with high job duration might be due to selection bias in our workers selecting method. On the other hand, workers who had musculoskeletal disorders did not remain in workplace and only healthy workers without musculoskeletal disorders participated in this study. Safety and decreased rate of musculoskele-tal disorders in steel industry are related to interaction between workers and potential hazards of their envi-ronment.27 We need careful evaluations of steel workers
and their workplaces for gathering more information to support or reject this idea. Among ergonomic risk factors such as awaked posture, repetitive motions, forceful excretion were present in our workstation in Iranian steel industries.
Our study had some limitations. First, most of our participants were male, second, due to self reporting
nature of Nordic questionnaire, the educational level of the respondent may affect the completion of ques-tionnaire and third, we did not have any measurement scale for measuring the intensity of the pain/discomfort
which was reported by respondents. It was concluded that musculoskeletal disorders in our steel company happened in high rate. We recom-mended additional studies to be performed for accu-rate assessment of musculoskeletal disorders risk fac-tors. Noted programs must focus on reducing physical exposure to the musculoskeletal disorders risk factors
of these regions.
Conflict of interest: None declared.