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Pubmed for Handhelds

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  • Title: Impact of Decreased Night Work on Workers' Musculoskeletal Symptoms: A Quasi-Experimental Intervention Study.
    Author: Lee HE, Choi M, Kim HR, Kawachi I.
    Journal: Int J Environ Res Public Health; 2020 Dec 05; 17(23):. PubMed ID: 33291446.
    Abstract:
    A possible association between night shift work and musculoskeletal disorder has been suggested. This study aimed to evaluate the impact of decreased night work on musculoskeletal pain. Difference-in-difference estimation was used to compare changes in musculoskeletal pain between shift workers (N = 122) and non-shift workers (N = 170) in a manufacturing company before and after the introduction of a new shift system eliminating overnight work. Musculoskeletal pain was measured by a questionnaire asking if workers had symptoms in specific body parts, including the neck, shoulder, arm/elbow, wrist/hand, back, and leg/foot, over the past year. Generalized estimating equation models were used to estimate changes in pre- versus post-intervention musculoskeletal pain rates between the treated and control group. In the difference-in-difference (DID) models, prevalence of musculoskeletal pain for shoulder (-10.3%), arm (-12.9%), all sites combined (-9.2%), and upper extremity combined (-14.8%) showed significant decreases from pre- to post-intervention among the treated group (shift workers) compared to the control group (non-shift workers) after controlling for age and weekly working hours. Decreasing night work was related to improvement in musculoskeletal pain in shift workers.
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