Pupils' symptoms are not reliable to reveal the air quality in school buildings

Pupils' symptoms are not reliable to reveal the air quality in school buildings

The researchers found that inadequate indoor air quality was connected to the pupils' respiratory and general symptoms, such as colds, coughs and headaches. Some link to lower airway or skin symptoms was also found, but not to eye symptoms. It is worth maintaining and investigating buildings Earlier research also suggests that symptoms are not a good marker of the indoor air quality of a building. "We need more research on how much indoor air impurities explain the differences in symptoms between schools, in comparison to other factors that influence symptoms. To date, these other factors have been remarkably little researched," said Professor Juha Pekkanen. Besides indoor air, other factors that influence symptoms include the age of the person, their health and stress levels, including how well they are doing and feeling at work and school, and beliefs and concerns about the risks of poor indoor air. The fact that many issues influence people's symptoms in indoor environments needs to be considered when interpreting the results of indoor air questionnaires. Questionnaires aimed at building users provide valuable additional information for the management of indoor air quality problems. However, the decisions on renovations should be based primarily on data obtained by investigating the building." Jussi Lampi, Chief Physician The study included 129 lower and upper primary school buildings in the Helsinki area. The building conditions were assessed based on the City of Helsinki's evaluations. The Finnish Institute of Health and Welfare's indoor air questionnaire was used to gather data about pupils' symptoms. More than 12,000 pupils responded to the questionnaire. The response rate was 60%. Source: National Institute for Health and Welfare Journal reference: Savelieva, K., et al. (2019) Associations between indoor environmental quality in schools and symptom reporting in pupil-administered questionnaires. Environmental Health . doi.org/10.1186/s12940-019-0555-6 .



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