• Akbar Alipour, Mostafa Ghaffari, Batoul Shariati, Irene Jensen, and Eva Vingard.
• Personal Injury Prevention Section, Clinical Neuroscience Department, Karolinska Institutet, Stockholm, Sweden. akbar.alipour@medsci.uu.se
• Am. J. Ind. Med. 2008 May 1; 51 (5): 372-9.

BackgroundWork-related musculoskeletal disorders (MSDs) of the upper extremities are a major problem globally, though most relevant studies have been reported from high income countries.Aims And MethodsThe prevalence of neck and shoulder pain and its association with work-related physical and psychosocial factors and life style was determined by a cross-sectional survey using the Nordic Musculoskeletal Questionnaire (NMQ) in the largest Iranian car manufacturing company, with more than 18,000 employees.ResultsA total of 14,384 (79.8%) of all employees completed the questionnaire. Depending on the questions used to measure neck and shoulder symptoms, the prevalence varied widely (from 20.5% to 3.9%). In the multiple logistic regression model, limited to employees with at least 1 year of work experience, risk indicators for disabling pain of the neck and/or shoulder that remained for male were: duration of employment, high visual demands, repetitive work, sitting position at work, awkward working position, no regular exercise, monotonous work, lack of encouraging organizational culture, and anxiety concerning change. For female repetitive work, sitting position at work and no support if there is trouble at work were the only remaining factors.ConclusionsThe study confirms the effects of physical and psychosocial factors on neck and shoulder symptoms among automobile manufacturing workers in a low to middle income country in spite of the relative youth and job insecurity of the population.(c) 2008 Wiley-Liss, Inc.

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