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  1. Ventilation rate in office buildings and sick building syndrome.

    Article - En anglais

    Objective

    To examine the relation between ventilation rate and occurrence of symptoms of the eyes, nose, throat, and skin as well as general symptoms such as lethargy and headache, often termed the sick building syndrome.

    Methods-A cross sectional population based study was carried out in 399 workers from 14 mechanically ventilated office buildings without air recirculation or humidification, selected randomly from the Helsinki metropolitan area.

    The ventilation type and other characteristics of these buildings were recorded on a site visit and the ventilation in the rooms was assessed by measuring the airflow through the exhaust air outlets in the room.

    A questionnaire directed at workers inquired about the symptoms and perceived air quality and their possible personal and environmental determinants (response rate 81%). The outcomes were weekly work related symptoms experienced during the previous 12 months and symptom groups defined either by their anatomical location or hypothesised mechanism.

    Results

    In logistic regression analysis, the adjusted odds ratio (OR) for any symptom of interest was 3.03 (95% confidence interval (95% CI) 1.13 to 8.10) in the very low ventilaton category of below 5 l/s per person and 2.24 (0.89 to 5.65) in the high ventilation category of over 25 l/s per person compared with the reference (15-<25 l/s).

    Mots-clés Pascal : Conditionnement air, Bâtiment bureau, Exposition professionnelle, Homme, Pollution intérieur, Employé bureau, Finlande, Médecine travail, Syndrôme bâtiment malsain, Europe

    Mots-clés Pascal anglais : Air conditioning, Office building, Occupational exposure, Human, Indoor pollution, Clerical personnel, Finland, Occupational medicine, Sick building syndrome, Europe

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

    Cote : 95-0579857

    Code Inist : 002B30B01B. Création : 01/03/1996.