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Diagnostic history and characteristics of respondents from company B
| 2003 | 2011 | |
|---|---|---|
| Diagnostic history, % (n) | ||
| Sick house syndrome (SHS) | 0.3 (1) | 0.5 (2) |
| Allergy | 24.0 (80) | 29.3 (125) |
| None | 67.9 (226) | 66.9 (285) |
| No answer | 7.8 (26) | 3.3 (14) |
| Total | 100 (333) | 100 (426) |
| Sex, % (n) | ||
| Female | 0 (0) | 3.1 (13) |
| Male | 100 (333) | 96.9 (413) |
| Total | 100 (333) | 100 (426) |
| Average age (years ± SDa) | 40.5 ± 8.65 | 44.8 ± 9.78 |
aStandard deviation
