Table 1.
Diagnostic history and characteristics of respondents from company A
| 2003 | 2006 | 2011 | |
|---|---|---|---|
| Diagnostic history, % (n) | |||
| Sick house syndrome (SHS) | 0.1 (1) | 0.1 (1) | 2.1 (3) |
| Allergy | 23.1 (192) | 20.7 (151) | 39.6 (57) |
| None | 68.5 (570) | 79.2 (577) | 58.3 (84) |
| No answer | 8.3 (69) | 0 (0) | 0 (0) |
| Total | 100 (832) | 100 (729) | 100 (144) |
| Sex, % (n) | |||
| Female | 11.7 (97) | 10.0 (73) | 16.7 (24) |
| Male | 88.3 (735) | 90.0 (656) | 83.3 (120) |
| Total | 100 (832) | 100 (729) | 100 (144) |
| Average age (years ± SDa) | 42.8 ± 10.34 | 44.9 ± 10.61 | 41.5 ± 11.04 |
aStandard deviation