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  1. Validity of self-reported physcial work load in epidemiologic studies on musculoskeletal disorders.

    Article - En anglais

    Objectives This study assessed the validity of self-reported physical work load by questionnaire and logbook against task analysis and observation.

    It also investigated factors (job type and low-back or neck pain) affecting the self-assessment of physical work load and compared the assessments between the questionnaire and the logbook.

    Methods A self-administered questionnaire including 10 questions (ordinal scales) on physical work load and musculoskeletal symptoms was filled out by 2756 men in the forest industry.

    From this population, 36 men were selected for task analysis and observation.

    Logbooks including 10 continuous variables were analyzed for 386 men.

    Results The Spearman rank correlation coefficients between the self-assessments and observations for the frequency of manual handling, duration of trunk flexion, neck rotation, hand above shoulder level, and squatting or kneeling ranged between 0.42 and 0.55.

    The correlation coefficients for the questionnaire items were higher in general, and the accuracy better, for those with no low-back pain than for those with pain.

    The duration of trunk flexion, neck flexion and hand above shoulder level was overestimated in the questionnaires and less so in the logbooks.

    Conclusions Self-administered questionnaires may help to classify groups with heterogeneous occupational tasks according to some work-load factors. (...)

    Mots-clés Pascal : Charge travail, Exercice physique, Lombalgie, Cou, Questionnaire, Autoperception, Ergonomie, Méthode mesure, Evaluation, Validité, Homme, Médecine travail, Etude comparative, Epidémiologie, Douleur, Méthodologie, Système ostéoarticulaire pathologie, Rachis pathologie, Rachialgie

    Mots-clés Pascal anglais : Workload, Physical exercise, Low back pain, Neck, Questionnaire, Self perception, Ergonomics, Measurement method, Evaluation, Validity, Human, Occupational medicine, Comparative study, Epidemiology, Pain, Methodology, Diseases of the osteoarticular system, Spine disease, Rachialgia

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0439040

    Code Inist : 002B15F. Création : 10/04/1997.