| Author | Country | N | Indicator | Prevalence |
|---|---|---|---|---|
| Tsongas (1985) (as reviewed in Tsongas, 1994) | U.S. (Spokane, WA) | 96 | Inspection | 59% condensation on windows 38% mold and mildew |
| Rose (1986) (as reviewed in Tsongas, 1994) | U.S. (Illinois) | 670 | Inspection | 5.4% had major moisture problems 35% had visible mildew or surface stains or surface damage |
| Trechsel et al. (1987) (as reviewed in Tsongas, 1994) | U.S. (Florida) | 86 (homes in naval station with masonry walls) | Inspection | 30% current, past, or potential moisture problems 48% had mildew problems 66% had mildew or moisture problems |
| Dales et al. (1991) | Canada | 403 | Questionnaire | 38% |
| Brunekreef (1992) | Netherlands | 3,300 | Questionnaire | 25.4% |
| Pirhonen et al. (1996) | Finland | 1,460 | Questionnaire | 23% |
| Leung et al. (1998) | Hong Kong | 40 | 27% | |
| Norbäck et al. (1999) | Sweden | 98 + 357 | Questionnaire | 27% |
| Schafer et al. (1999) | Germany | 1,235 | Questionnaire | 8.8% (10.3% East, 1.9% West) |
From: 8, INDOOR DAMPNESS AND ASTHMA
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