ORIGINAL ARTICLE

Assessment of indoor air problems at work with a questionnaire

K Reijula and C Sundman-Digert

Uusimaa Regional Institute of Occupational Health, Helsinki, Finland

Correspondence to:
Correspondence to:
Dr K Reijula
Director, Regional Institute of Occupational Health, Helsinki, Finnish Institute of Occupational Health, Arinatie 3 A, FIN-00370 Helsinki, Finland; kari.reijula{at}occuphealth.fi

Aims: To assess the extent of indoor air problems in office environments in Finland.

Methods: Complaints and symptoms related to the indoor environment experienced by office workers were collected from 122 workplaces in 1996–99 by using the modified Indoor Air Questionnaire established by the Finnish Institute of Occupational Health. Altogether 11 154 employees took part in the survey.

Results: The most common problems were dry air (35% of the respondents), stuffy air (34%), dust or dirt in the indoor environment (25%), and draught (22%). The most common work related symptoms were irritated, stuffy, or runny nose (20%), itching, burning, or irritation of the eyes (17%), and fatigue (16%). Women reported indoor air problems and work related symptoms more often than men. Allergic persons and smokers reported indoor air problems more often, and experienced work related symptoms more often than non-allergic persons and non-smokers.

Conclusions: The complaints and work related symptoms associated with indoor air problems were common in office workers. The present questionnaire is a suitable tool for the occupational health personnel in investigating indoor air problems and the data of the survey can be used as a reference when the results of a survey at work are being analysed.

Keywords: indoor air quality; work related; monitoring

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