Cross-sectional study of prevalence, characterization and impact of chronic pain disorders in workers.

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Chronic pain prevention and treatment constitute a challenge for occupational health. The aim of this study was to provide data on workers in a variety of jobs and multiple contexts to determine the prevalence and characteristics of different chronic pain disorders, in view to highlighting possible new targets for preventive actions. 1,008 participants working in 14 French IKEA stores were analyzed in this observational study on the basis of their responses to surveys on their sociodemographic characteristics, psychosocial factors, lifestyle and pain disorders. The prevalences of chronic pain, moderate-to-severe chronic pain and high-impact chronic pain were 49%, 30% and 11%, respectively. Chronic pain was predominantly located in the neck and back, and identified mostly as nociceptive, with, for some participants, a neuropathic component (mixed pain). The majority of chronic pain was reported as being due to professional activity, and causing at least one work stoppage during the past year in half of the participants. Jobs that were the most common sources of chronic pain were those with a higher proportion of repetitive gestures, no consecutive days of rest, stress at work, such as cash-register/catering jobs. Overall, this study highlighted profiles at risk of developing or suffering from chronic pain, and several associated factors: ≥40 years old, female sex, overweight/obesity, repetitive gestures, no consecutive days of rest, stress, catastrophism, workplace environment, poor quality of life and mental state. In conclusion, these data give interesting information on the characteristics of workers with chronic pain and highlight profiles of participants. REGISTRATION NUMBER: NCT03931694 PERSPECTIVE: This study provides important information about the features of chronic pain in a model of a working population of Western countries. This information can be used to propose preventive actions.

View the full article @ The journal of pain : official journal of the American Pain Society
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