What causes sick building syndrome - sick workroom or sick dwelling?

The cross-sectional questionnaire-based study was conducted in spring 1998 among indoor workers of 6 buildings in town Tartu, Estonia. The goal of this pilot study was to evaluate magnitude of possible problems related to indoor air quality in Estonian nonindustrial workrooms as well as in those workers' dwellings. Therefore, the questionnaire included questions about perceived indoor environment for both workplaces and homes.