Reference : Validation of a self-administered questionnaire for assessing exposure to back pain mech...
Scientific journals : Article
Human health sciences : Rheumatology
Human health sciences : Public health, health care sciences & services
http://hdl.handle.net/2268/11112
Validation of a self-administered questionnaire for assessing exposure to back pain mechanical risk factors
English
Somville, Pierre mailto [Université de Liège - ULg > Département des Sciences de la Santé publique > Santé au travail et Education pour la santé > >]
Van Nieuwenhuyse, An [> > > >]
Seidel, Laurence mailto [Université de Liège - ULg > Département des sciences de la santé publique > Informatique médicale et biostatistique >]
Masschelein, Raphaël [> > > >]
Moens, Guido [> > > >]
Mairiaux, Philippe mailto [Université de Liège - ULg > Département des sciences de la santé publique > Santé au travail et éducation pour la santé (STES) >]
Jun-2006
International Archives of Occupational and Environmental Health
Springer
79
6
499-508
Yes (verified by ORBi)
International
0340-0131
New York
[en] questionnaire ; risk factors ; low back pain ; occupational exposure ; validation study
[en] Objective: To validate a self-administered questionnaire assessing exposure to mechanical risk factors, developed for a cohort study aiming at assessing the influence of physical and psycho-social factors on the incidence of low back pain (LBP). Methods: The study first involved a criterion validity test. A sample of the cohort workers (n=152) was observed at the workplace during four 30 min periods randomly distributed along the shift. At the end of the work shift, the questionnaire was filled in both by the worker and the observer. Agreements were tested between self-reports and observations, and between self-reports and observer opinion. Secondly, a comparison of exposure-effect relationships based on self-reports to those based on observations was carried out on the whole study cohort (n=716). Both sets of Relative Risks of being an incident case (LBP lasting at least 7 consecutive days in the follow-up year) were tested for heterogeneity. Results: Self-reports agreement levels were better with observer opinion than with observational data and were higher for answers at a dichotomous level. Vehicle driving, manual handling without estimation of weight and frequencies, or trunk bending without rotation showed a fair to good agreement with the external criteria. Limits in the validation procedure did not allow validating the sitting and standing durations. As regards the health outcome comparison, questionnaire and observations led to homogeneous Relative Risks for the variables tested. Conclusions: Results show that self-reports provide a limited accuracy to assess actual frequencies and durations of work activities. Using a questionnaire, classifying the workers into exposure categories is rather relative, but questionnaire and observations seem similar in their relationships to outcome.
Services Fédéraux des Affaires Scientifiques, Techniques et Culturelles - SSTC ; Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers ; Professionals
http://hdl.handle.net/2268/11112
http://www.springerlink.com/content/e2325508p12p8140/fulltext.pdf
The authors acknowledge Springer for allowing them to archive this paper

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