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The Effects of Ergonomic Workstation Changes on Physical and Psychosocial Factors in Apparel Manufacturing Julianne Natale, Richard Wells,  Mardon Frazer, Michael Kerr, Sue Ferrier, Syed Naqvi, Peter Subrata University of Waterloo University of Western Ontario,  Institute for Work and Health, Occupational Health Clinics for Ontario Workers
Purpose ,[object Object]
The Clothing Industry ,[object Object],[object Object],[object Object]
Study I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Measuring Pain Intensity Upper Back Right Shoulder  Right Upper Arm Mid to Lower Back Right Forearm Right Wrist Right Hand Right Thigh Right Lower Leg or Foot Neck Left Shoulder Left Upper Arm Buttocks Left Forearm Left Wrist Left Hand Left Thigh Left Lower Leg or Foot 1=mild 2=moderate 3=severe 4=unbearable   •  Pain in last 7 days •  Average pain in 6 months •  Worst pain in 6 months • Neck • RUE • LUE • Back • RLE • LLE
Analysis ,[object Object],2001 2003 Plant A Plant B Plant C Determine within plant differences at two time periods Participatory  Change  Team Consultant-Type Process Referent
Workstation Changes 41 operators affected (in cohort) 96 changes made ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Operations Workstation Changes
Manual Measurement:  Joints Measured Average Joint Angle (degrees) * *p<0.05 Sub-sample of 16 workstations
Step I: Results Questionnaire Variable Normalized Mean (%) * * * * *p<0.05
Analysis ,[object Object],Plant A Plant B Plant C 2001 2003 Analysis Original Employees 54% 75% 78%
Step II: Results Questionnaire Variable Normalized Mean (%) * *p<0.05
Analysis ,[object Object],Plant A Plant B Plant C 2001 2003 Analysis
Step III: Results Questionnaire Variable Normalized Mean (%) * *p<0.05 No Change Participants * *
Step III: Results Questionnaire Variable Normalized Mean (%) *p<0.05 * * Change Participants
Analysis ,[object Object],Plant A Plant B Plant C 2001 2003 Analysis
Step IV: Results Questionnaire Variable Normalized Mean (%) * *p<0.05
Study I Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Of Note… ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Unite Intervention Study

  • 1. The Effects of Ergonomic Workstation Changes on Physical and Psychosocial Factors in Apparel Manufacturing Julianne Natale, Richard Wells, Mardon Frazer, Michael Kerr, Sue Ferrier, Syed Naqvi, Peter Subrata University of Waterloo University of Western Ontario, Institute for Work and Health, Occupational Health Clinics for Ontario Workers
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  • 5. Measuring Pain Intensity Upper Back Right Shoulder Right Upper Arm Mid to Lower Back Right Forearm Right Wrist Right Hand Right Thigh Right Lower Leg or Foot Neck Left Shoulder Left Upper Arm Buttocks Left Forearm Left Wrist Left Hand Left Thigh Left Lower Leg or Foot 1=mild 2=moderate 3=severe 4=unbearable • Pain in last 7 days • Average pain in 6 months • Worst pain in 6 months • Neck • RUE • LUE • Back • RLE • LLE
  • 6.
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  • 8. Manual Measurement: Joints Measured Average Joint Angle (degrees) * *p<0.05 Sub-sample of 16 workstations
  • 9. Step I: Results Questionnaire Variable Normalized Mean (%) * * * * *p<0.05
  • 10.
  • 11. Step II: Results Questionnaire Variable Normalized Mean (%) * *p<0.05
  • 12.
  • 13. Step III: Results Questionnaire Variable Normalized Mean (%) * *p<0.05 No Change Participants * *
  • 14. Step III: Results Questionnaire Variable Normalized Mean (%) *p<0.05 * * Change Participants
  • 15.
  • 16. Step IV: Results Questionnaire Variable Normalized Mean (%) * *p<0.05
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  • 19.