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  1. Prevalence of the sick building syndrome symptoms in office workers before and six months and three years after being exposed to a building with an improved ventilation system.

    Article - En anglais

    Objective

    The prevalence of symptoms associated with the sick building syndrome (SBS) has recently been shown to decrease by 40% to 50% among office workers six months after they were exposed to a building with an improved ventilation system.

    The objective of the present study was to find whether the decrease in the prevalence of symptoms was maintained three years later.

    Methods--Workers from the same organisation occupied five buildings in 1991 and moved during that year to a single building with an improved ventilation system.

    All buildings had sealed windows with mechanical ventilation, air conditioning, and humidification.

    Workers completed a self administered questionnaire during normal working hours in February 1991 before moving, in February 1992 six months after moving, and in February 1995, three years after moving.

    The questionnaire encompassed symptoms of the eyes, nose and throat, respiratory system, skin, fatigue, and headache, as well as difficulty concentrating, personal, psychosocial, and workstation factors.

    During normal office hours of the same weeks, environmental variables were measured.

    Results

    The study population comprised 1390 workers in 1991,1371 in 1993, and 1359 in 1995, which represents 80% of the population eligible each year.

    The prevalence of most symptoms decreased by 40% to 50% in 1992 compared with 1991.

    This was similar in 1995. (...)

    Mots-clés Pascal : Bâtiment malsain syndrome, Prévalence, Bureau, Exposition professionnelle, Homme, Antécédent, Etude longitudinale, Amélioration, Ventilation, Installation ventilation

    Mots-clés Pascal anglais : Sick building syndrome, Prevalence, Office, Occupational exposure, Human, Antecedent, Follow up study, Improvement, Ventilation, Ventilating equipment

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

    Cote : 97-0177238

    Code Inist : 002B30A02B. Création : 21/05/1997.