A questionnaire study (on ventilation, surface materials, heating and cooling) was performed on 3562 employees working in 32 buildings without previously known indoor air problems.The associations between symptom prevalence and building characteristics are reported in this paper.
A study was done to find a link between bronchial obstruction in infants under two years old and ventilation rate in residential buildings. A matched case control study was carried out in Oslo over two years. It was found that the risk of bronchial obstruction was not directly associated with the ventilation rate in litres per second and per person. Environmental tobacco smoke affected the incidence of bronchial obstruction, as well as dampness, presence of textile wallpaper and plasticiser-containing surfaces.
Exposures to respirable suspended particles (RSP) and both the particulate and vapour phases of environmental tobacco smoke (ETS) were monitored in eight European cities. Over 1500 housewives and office workers participated in the studies by wearing personal monitors over a 24-h period to assess exposures in the home and workplace. Based upon median 24-h time weighted average (TWA) concentrations, the most highly exposed subjects throughout Europe were office workers living and working with smokers.
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