Association of individual and work-related risk factors with musculoskeletal symptoms among Iranian sewing machine operators

I. Dianat, M. Kord, P. Yahyazade, M.A. Karimi, Alex Stedmon

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

This cross-sectional study evaluated working conditions and the occurrence of self-reported musculoskeletal symptoms among 251 Iranian sewing machine operators. A questionnaire and direct observations of working postures using the rapid upper limb assessment (RULA) method were used. A high prevalence of musculoskeletal symptoms, particularly in the neck/shoulders, back and hands/wrists were found. The mean RULA grand score of 5.7 highlighted a poor sewing workstation design and indicated that most operators (with posture assessed at action level 3) needed an investigation and changes in their working habits soon. Work-related factors (including number of years worked as an operator, prolonged working hours per shift, long duration of sitting work without a break, feeling pressure due to work and working postures) and individual factors (including age, gender, BMI and regular sport/physical activities) were associated with musculoskeletal symptoms in multiple logistic regression models. The findings add to the understanding of working conditions of those jobs involving sewing activities and emphasise the need for ergonomic interventions to reduce musculoskeletal symptoms in the future.
Original languageEnglish
Pages (from-to)180–188
JournalApplied Ergonomics
Volume51
DOIs
Publication statusPublished - 2015

Keywords

  • Sewing operation
  • MSDs
  • RULA

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