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Indoor environment in dwellings, asthma, allergies, and sick building syndrome in the Swedish population: a longitudinal cohort study from 1989 to 1997
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Occupational and Environmental Medicine. (eva vingård)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Occupational and Environmental Medicine. (eva vingård)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Occupational and Environmental Medicine. (Eva Vingård)
2009 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 82, no 10, 1211-1218 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To investigate changes of sick building syndrome (SBS) and different types of indoor exposures at home over an 8-year follow-up period (1989-1997), and onset of SBS symptoms in relation to size of residence town and education level. METHODS: A random sample (0.1%) of the population in a 3-county region in Sweden, initially aged 20-65 years (n = 466). In total, 348 (75%) answered the postal follow-up questionnaire. RESULTS: Water leakage during the last year had decreased from 11.2 to 4.8% visible indoor mould had decreased from 4.7 to 1.6%, and any sign of building dampness decreased from 16.1 to 9.5%. The prevalence of current smoking had decreased from 30 to 19%. Smokers at baseline reported more onset of SBS symptoms than non-smokers. Furthermore, remission from mucosal symptoms was less likely in subjects that were tobacco smoker. Subjects with any indoor painting during follow-up period reported more onset of SBS symptoms, and those with intermediate education level had more onset of skin symptoms. CONCLUSION: Smoking and indoor painting could be predictors of new onset of SBS symptoms. Focus on indoor environment in Sweden the last decades may have resulted in environmental improvements in the dwellings, which can be beneficial both for the inhabitants and for the future public health.

Place, publisher, year, edition, pages
2009. Vol. 82, no 10, 1211-1218 p.
Keyword [en]
Asthma, Building dampness, Sick building syndrome, Indoor environment, Cohort study, Risk factors
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-122946DOI: 10.1007/s00420-009-0444-3ISI: 000271200400005PubMedID: 19618200OAI: oai:DiVA.org:uu-122946DiVA: diva2:311468
Available from: 2010-04-21 Created: 2010-04-21 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Indoor Environment in Dwellings and Sick Building Syndrome (SBS): Longitudinal Studies
Open this publication in new window or tab >>Indoor Environment in Dwellings and Sick Building Syndrome (SBS): Longitudinal Studies
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

People spend most of their time indoors and mostly in the dwelling. It is therefore important to investigate associations between indoor exposure in dwellings and health. Symptoms that may be related to the indoor environment are sometimes referred to as the "sick building syndrome" (SBS). SBS involves symptoms such as eye, skin and upper airway irritation, headache and fatigue. Three longitudinal studies and one prevalence study on personal and environmental risk factors for SBS in adults were performed. The prevalence study included measurements of indoor exposures in the dwellings. The longitudinal studies, with 8-10 years follow-up time, showed that smoking and indoor paint emissions were risk factors for SBS. Moreover, building dampness and moulds in dwellings were risk factors for onset (incidence) of general symptoms, skin symptoms and mucosal symptoms. In addition subjects living in damp dwellings have a lower remission of general symptoms and skin symptoms. Hay fever was a risk factor for onset of skin symptoms and mucosal symptoms, and asthma was a risk factor for onset of general and mucosal symptoms. Biomarkers of allergy and inflammation (bronchial reactivity, total IgE, ECP and eosinophil count) were predictors of onset of SBS symptoms, in particular mucosal symptoms. In the prevalence study, any SBS-symptom was associated with some individual volatile organic compounds of possible microbial origin (MVOC) e.g. 2-pentanol, 2-hexanon, 2-pentylfuran and 1-octen-3ol. Moreover, there were associations between indoor levels of formaldehyde and the plasticizer Texanol and any SBS. The result from the study indicates that individual MVOC are better indicators of SBS than the total value of MVOC. A final conclusion is that smoking, dampness and moulds and emissions from indoor painting may increase the onset of SBS. The indoor environment in dwellings over time has improved, but there is still a need for further improvements of the indoor environment in dwellings. More longitudinal SBS studies are needed.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2012. 63 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 783
Keyword
Indoor environment, sick building syndrome (SBS), dwelling, longitudinal cohort study, building dampness, mould, microbial volatile organic compounds (MVOC), biomarkers, asthma, risk factors
National Category
Environmental Health and Occupational Health
Research subject
Occupational and Environmental Medicine
Identifiers
urn:nbn:se:uu:diva-172769 (URN)978-91-554-8393-7 (ISBN)
Public defence
2012-06-13, Frödingsalen, Ulleråkersvägen 40, Uppsala, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2012-05-23 Created: 2012-04-13 Last updated: 2012-08-01Bibliographically approved

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