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      Prevalence of Work-related Musculoskeletal Symptoms among Iranian Workforce and Job Groups

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          Abstract

          Background:

          Musculoskeletal disorders (MSDs) are known to cause occupational injuries. This study aimed to collate the existed relevant data and develop a general feature of MSDs problem among Iranian workforce.

          Methods:

          In this study, we used the raw data related to 8004 employees from 20 Iranian industrial settings distributed throughout the country. In all studies, participants were selected based on simple random sampling method, and the data were collected using demographic characteristics and Nordic MSDs questionnaires.

          Results:

          The most prevalent MSDs symptoms were reported in the lower back (48.9%), shoulders (45.9%), neck (44.2%), upper back (43.8%), and knees (43.8%). Prevalence rates of MSDs at least in one body region were found to be the highest (90.3%) among health-care workers. Prevalence rates of MSDs symptoms in all body regions were higher among workers with dynamic activities as compared to those of workers with static activities.

          Conclusions:

          MSDs symptoms were common among the study population. Health-care provider and workers with dynamic activities had the highest rate of MSDs. These results merit attention in planning and implementing ergonomics interventional program in Iranian industrial settings.

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          Most cited references41

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          Epidemiology of work related neck and upper limb problems: psychosocial and personal risk factors (part I) and effective interventions from a bio behavioural perspective (part II).

          Work related neck and upper limb symptoms have a multi-factorial origin. Possible risk factors are of a physical, psychosocial or personal origin. These factors can reinforce each other and their influence can also be mediated by cultural or societal factors. Initially, most research on neck and upper limb symptoms focused on work-related physical exposure. Nowadays, psychosocial work characteristics are recognized as important risk factors. Various models have been developed to offer frameworks for possible pathways, but their empirical support is still not conclusive. In part I of this paper an overview is presented of the results of recent epidemiological studies on work related psychosocial and personal risk factors for neck and upper limb symptoms. In addition, the interplay between these factors and the possible intermediate role of an individuals work style in this process is explored. In contrast to previous reviews, it is now possible to base the conclusions on the effect of work related psychosocial factors on neck and upper limb symptoms on quite a few longitudinal studies. These studies show that high work demands or little control at work are often related to these symptoms. However, this relationship is neither very strong nor very specific. Perceived stress is studied in not as many studies but more consistently related to neck and upper limb symptoms. This also applies to general distress or other pain (co-morbidity). Job dissatisfaction does not contribute to neck and upper limb symptoms. Too little research on personal characteristics is available to draw any conclusions. It is plausible that behavioural aspects, such as work style, are of importance in the etiology of work related upper limb symptoms. However, studies concerning these factors are promising but too scarce to draw conclusions. Future studies should address these behavioural aspects. In part II, the recent studies on the effectiveness of preventive measures for work related neck and upper limb problems are discussed. Few randomised or non randomised controlled trials have been carried out to evaluate the effectiveness of individual or organisational interventions to improve work related psychosocial factors. Very few have reported on the preventive effect for work related neck and upper limb symptoms. Therefore, there is a great need for additional high quality trials before any conclusions on effectiveness of bio-behavioural interventions for reduction of neck and upper limb problems and return to work after these symptoms can be made. From the low back pain intervention research can be learned that interventions should best be targeted to both the worker and the organisation and that interventions will only be successful when all stakeholders are involved.
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            Musculoskeletal pain in Europe: the role of personal, occupational, and social risk factors.

            The prevalence of musculoskeletal pain in European countries varies considerably. We analyzed data from the fifth European Working Conditions Survey (EWCS) to explore the role of personal, occupational, and social risk factors in determining the national prevalence of musculoskeletal pain. Over the course of 2010, 43 816 subjects from 34 countries were interviewed. We analyzed the one-year prevalence of back and neck/upper-limb pain. Individual-level risk factors studied included: sex; age; educational level; socioeconomic status; housework or cooking; gardening and repairs; somatizing tendency; job demand-control; six physical occupational exposures; and occupational group. Data on national socioeconomic variables were obtained from Eurostat and were available for 28 countries. We fitted Poisson regression models with random intercept by country. The main analysis comprised 35 550 workers. Among individual-level risk factors, somatizing tendency was the strongest predictor of the symptoms. Major differences were observed by country with back pain more than twice as common in Portugal (63.8%) than Ireland (25.7%), and prevalence rates of neck/upper-limb pain ranging from 26.6% in Ireland to 67.7% in Finland. Adjustment for individual-level risk factors slightly reduced the large variation in prevalence between countries. For back pain, the rates were more homogenous after adjustment for national socioeconomic variables. Our analysis indicates substantial variation between European countries in the prevalence of back and neck/upper-limb pain. This variation is unexplained by established individual risk factors. It may be attributable in part to socioeconomic differences between countries, with higher prevalence where there is less risk of poverty or social exclusion.
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              Perceived demands and musculoskeletal disorders in operating room nurses of Shiraz city hospitals.

              Excessive demands on Operation Room (OR) nurses may result in high rates of Musculoskeletal Disorders (MSDs). This study was conducted among Shiraz city hospital OR nurses to determine the prevalence of MSDs and to examine the relationship between perceived demands and reported MSDs. In this cross-sectional study, 375 OR nurses participated (response rate: 80%). The Nordic Musculoskeletal Disorders Questionnaire and the Job Content Questionnaire were used as collecting data tools. Lower back symptoms were found to be the most prevalent problem in the OR nurses studied with a past year prevalence of 60.6%. Perceived physical demands were significantly associated with musculoskeletal symptoms (odds ratio ranged from 2.04 to 7.24). Manual material handling (MMH) activities were most frequently associated with reported symptoms. Association was also found between perceived psychological demands and reported symptoms (odds ratio>1.68). Based on the findings of this study, it could be concluded that operation room was not only a physically but also psychologically demanding environment. Any interventional program for preventing or reducing MSDs among OR nurses had to focus on reducing physical demands, particularly excessive MMH demands as well as considering psychological aspect of working environment.
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                Author and article information

                Journal
                Int J Prev Med
                Int J Prev Med
                IJPVM
                International Journal of Preventive Medicine
                Medknow Publications & Media Pvt Ltd (India )
                2008-7802
                2008-8213
                2016
                15 December 2016
                : 7
                : 130
                Affiliations
                [1]Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
                [1 ]Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
                Author notes
                Correspondence to: Mr. Hadi Daneshmandi, Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran. E-mail: daneshmand@ 123456sums.ac.ir
                Article
                IJPVM-7-130
                10.4103/2008-7802.195851
                5200977
                28105295
                3b58ea32-fc69-4c58-b6d5-a2ceddc1fe3c
                Copyright: © 2016 International Journal of Preventive Medicine

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

                History
                : 12 April 2016
                : 19 November 2016
                Categories
                Original Article

                Health & Social care
                injury,musculoskeletal system,occupational,risk factor,workplace
                Health & Social care
                injury, musculoskeletal system, occupational, risk factor, workplace

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