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Ergonomics Training Program to Industrial Workers (Ergonomics)

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ClinicalTrials.gov Identifier: NCT03926871
Recruitment Status : Completed
First Posted : April 25, 2019
Last Update Posted : April 25, 2019
Sponsor:
Information provided by (Responsible Party):
Rosimeire Simprini Padula, Universidade Cidade de Sao Paulo

Tracking Information
First Submitted Date  ICMJE April 16, 2019
First Posted Date  ICMJE April 25, 2019
Last Update Posted Date April 25, 2019
Actual Study Start Date  ICMJE August 20, 2014
Actual Primary Completion Date December 17, 2014   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: April 22, 2019)
  • Change from Musculoskeletal Complains at 2 months [ Time Frame: baseline, after two months ]
    The Nordic Musculoskeletal Questionnaire was used to investigate the presence of musculoskeletal symptoms in the last month with dichotomous responses (yes or no)
  • Change from Pain Intensity at 2 months [ Time Frame: baseline, after two months ]
    The visual analogue pain scale evaluated the intensity of symptoms indicating "absence of pain" (0) on one side and the opposite side "unbearable pain" (10 cm).
  • Change from Biomechanical Exposure immediately after the interventional training and after two months [ Time Frame: baseline, after 1-2 days, after two months ]
    Analysis of the biomechanical exposure of each segment (cervical, shoulder, forearm, wrist, hand and spine) by by an observational method developed for the study with score (0-19 points).
Original Primary Outcome Measures  ICMJE Same as current
Change History No Changes Posted
Current Secondary Outcome Measures  ICMJE Not Provided
Original Secondary Outcome Measures  ICMJE Not Provided
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
 
Descriptive Information
Brief Title  ICMJE Ergonomics Training Program to Industrial Workers
Official Title  ICMJE Ergonomics Training Program to Novice and Experienced Workers in Poultry Processing Industry: A Quasi-experimental Study
Brief Summary This quasi-experimental study was performed in poultry processing industry. The study aimed to evaluate the benefits of ergonomic training for novice and experienced workers. Sociodemographic and occupational questionnaires were evaluated, musculoskeletal complaints and pain intensity, perceived occupational effort, biomechanical exposure and perception in adopting the training. Complaints in the cervical, wrist and lumbar region were reduced with training, but the intensity of pain was only reduced in the wrist region. There was a reduction in the occupational biomechanical exposure from pre-training, to the post-immediate, and from pre-training to after 2 months for both beginners and experienced. The group of novice workers differed from those with the highest biomechanical exposure reduction in the cutting room tasks. All workers were benefited by ergonomic training in the short and medium term.
Detailed Description

The research was submitted to the Local Research Ethics Committee and approved by the number 734.500.

Were included 51 employees from the packing and cutting room sectors. The workers were allocated to Novato and Experienced workers groups. The inclusion criteria for the Novato workers group were to be newly hired (1 to 2 days in the company) and not have previous experience in a poultry processing industry, or butcher's shop. It is to ensure that they did not have prior knowledge of the activity. In the case of the group of experienced workers.

The exclusion criteria were they worked on the task for more than six months and not be absent during the study period (scheduled vacations). Workers who had already received ergonomic training, such as general guidelines and postural adjustments, as well as pregnant women and people with disabilities were excluded.

Outcomes measure

  1. Musculoskeletal Complains and Pain Intensity The Nordic Musculoskeletal Questionnaire was used to investigate the presence of musculoskeletal symptoms in the last month, using dichotomous responses (yes or no) The visual analogue pain scale evaluated the intensity of symptoms indicating "absence of pain" (0) on one side and the opposite side "unbearable pain" (10 cm) (Carlsson 1982). The QNSO and pain scale were applied in both groups at the baseline, and after 2 months of the ergonomic training program.
  2. Biomechanical Exposure Analysis The analysis of occupational biomechanical exposure occurred through a Poultry processing Check list (PPChecklist) created for the study. The PPChecklist evaluation criteria were based on observational methods for biomechanical exposure analysis, such as the Rapid Upper Limb Assessment (RULA) and Strain Index and the Checklist for Musculoskeletal Risk Assessment (RARME).

    The analyzes of the video tasks of each worker for the application of the PPChecklist was performed by two independent evaluators (MSD and DPV) with experience in Worker's Health and Ergonomics. The results obtained with the analysis of the biomechanical exposure of each segment (cervical, shoulder, forearm, wrist, hand and spine) were added to obtain a general task risk score for each worker with a variation of the score between 0 -19 points. The higher the score, the greater the biomechanical exposure of the workers.

  3. Perceived effort and Training Perception The effort perceived by workers in pre-training was evaluated by Borg scale ranges from zero (rest / effortless perceived) to ten (very, very heavy / too much, too much effort).

To evaluate the self-perception of the ease / difficulty of following the training guidelines was created a questionnaire.

Study Type  ICMJE Interventional
Study Phase  ICMJE Not Applicable
Study Design  ICMJE Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Intervention Model Description:
Two independents groups (Novice and Experienced). Both groups received ergonomics training in workplace.
Masking: Single (Outcomes Assessor)
Masking Description:
The evaluators performed the biomechanical exposure analysis without knowing that the workers were from the novice and experienced group.
Primary Purpose: Prevention
Condition  ICMJE Occupational Exposure
Intervention  ICMJE Other: Ergonomic Training
The ergonomic training consisted of an educational program in Ergonomics with a duration of 60 (sixty) minutes divided into a theoretical exposition and videos of the occupational tasks performed by the workers themselves. Theoretical lecture covered topics such as ergonomics, human anatomy, worker health, prevention measures to minimize the risks of musculoskeletal diseases. A better way of performing the work to protect the musculoskeletal system was demonstrated.
Other Name: Postural and Occupational (tasks) training
Study Arms  ICMJE
  • Experimental: Novices
    They received ergonomic training after 1-2 days of hiring to do the work in the cutting room, and packaging sectors. They did not have experience in the refrigerator or butchers, so they had the minimum of information about tasks and risks.
    Intervention: Other: Ergonomic Training
  • Experimental: Experienced
    They received the same ergonomic training as the newbies, and should have been hired for more than 6 months in the company. In this period they had already acquired patterns of movement and self-protection to accomplish the tasks.
    Intervention: Other: Ergonomic Training
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: April 22, 2019)
133
Original Actual Enrollment  ICMJE Same as current
Actual Study Completion Date  ICMJE February 20, 2015
Actual Primary Completion Date December 17, 2014   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

To Novato workers

  • 1 to 2 days in the company
  • Not have previous experience in a frigorifico, or butcher's shop
  • Not have prior knowledge of the activity. To experienced workers
  • Work on the task for more than six months
  • Be present in company during the study period

Exclusion Criteria:

For all workers

  • Had already received ergonomic training (general guidelines and postural adjustments)
  • Pregnant women
  • People with disabilities.
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE Yes
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Not Provided
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT03926871
Other Study ID Numbers  ICMJE 734.500
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
IPD Sharing Statement  ICMJE
Plan to Share IPD: No
Responsible Party Rosimeire Simprini Padula, Universidade Cidade de Sao Paulo
Study Sponsor  ICMJE Rosimeire Simprini Padula
Collaborators  ICMJE Not Provided
Investigators  ICMJE Not Provided
PRS Account Universidade Cidade de Sao Paulo
Verification Date April 2019

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP