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Participatory ergonomics for the primary prevention of back and neck pain: a cost-effectiveness study
ISRCTN ISRCTN27472278
DOI 10.1186/ISRCTN27472278
ClinicalTrials.gov identifier
EudraCT number
Public title Participatory ergonomics for the primary prevention of back and neck pain: a cost-effectiveness study
Scientific title
Acronym N/A
Serial number at source N/A
Study hypothesis Is the participatory ergonomics program for workers without back or neck pain in the previous year, effective in the prevention of back and/or neck pain.
Lay summary Not provided at time of registration
Ethics approval Approval received from the Medical Ethical Committee of the VU Medical Centre on the 1st January 2007.
Study design Randomised placebo controlled parallel group multicentre trial
Countries of recruitment Netherlands
Disease/condition/study domain Back and neck pain
Participants - inclusion criteria 1. Working more than 20 hours a week
2. More than one year employed
Participants - exclusion criteria Workers with back and or neck pain in the three months prior to the intervention will be excluded.
Anticipated start date 01/10/2007
Anticipated end date 01/10/2008
Status of trial Completed
Patient information material
Target number of participants 3668
Interventions The intervention is a participative ergonomic program. The participative ergonomics apporoach is based on the active participation and strong commitment of the employer and employee in the process to identify (potential) risk factors in the workplace and to choose the most appropriate solutions for these risks. The program consists of six steps including a workplace observation, interviews and two meetings of one and five hours with (representatives of) workers and management from a department.
Primary outcome measure(s) The primary outcome measure is the incidence of back and/or neck pain in the year of follow-up, assessed by means of a postal questionnaire. In the baseline and follow-up questionnaires, data on the incidence of back and neck pain will be collected using an adapted version of the Nordic Questionnaire. Cases of back and/or neck pain will be defined as those workers who reported regular of prolonged back pain and/or neck pain in the previous 12 months.
Secondary outcome measure(s) Secondary outcome measures are:
1. Functional status
2. Pain intensity and sickness absence
3. Use of ergonomic measures

Data on sickness absence will be collected on the basis of company and occupational health services registers. With respect to the economic evaluation data related to direct and indirect costs (costs in paid and unpaid labor as a consequence of sick leave or disability) and quality of life will be collected
Sources of funding The Netherlands Organisation for Health Research and Development (ZonMw) (Netherlands)
Trial website
Publications 1. 2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20735823
2. 2011 results in http://www.ncbi.nlm.nih.gov/pubmed/21177661
3. 2011 results in http://www.ncbi.nlm.nih.gov/pubmed/21499671
Contact name Mr  Maurice  Driessen, MSc
  Address EMGO-instituut
Van der Boechorststraat 7
  City/town Amsterdam
  Zip/Postcode 1081 BT
  Country Netherlands
  Tel +31 (0)20 444 1710
  Email m.driessen@vumc.nl
Sponsor VU University Medical Centre (The Netherlands)
  Address EMGO-Institute
Van der Boechorststraat 7
  City/town Amsterdam
  Zip/Postcode 1081 BT
  Country Netherlands
  Tel +31 (0)20 444 8180
  Fax +31 (0)20 444 8181
  Email emgo@vumc.nl
  Sponsor website: http://www.vumc.nl/english/
Date applied 07/03/2007
Last edited 03/01/2012
Date ISRCTN assigned 07/03/2007
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