Table 1.
Demographics of respiratory cases, epi-asthma cases, current postoccupancy asthma cases, and the comparison group.
| Demographics | Totala (n = 352) | Respiratory cases (n = 200) | Epi-asthma cases (n = 123) | Postoccupancy asthma cases (n = 49) | Comparison group (n = 152) |
|---|---|---|---|---|---|
| Age (mean ± SD) | 46.4 ± 8.6 | 46.3 ± 8.4 | 45.8 ± 7.1 | 46.4 ± 7.4 | 46.5 ± 8.8 |
| Race (%) | |||||
| White | 68.8 | 65.1 | 69.8 | 57.1 | 73.7 |
| Black | 20.7 | 23.6 | 20.2 | 28.6 | 16.9 |
| Other | 10.5 | 11.3 | 10.1 | 14.3 | 9.5 |
| Sex (% female) | 59.3 | 70.0 | 66.7 | 75.5 | 45.0 |
| Building occupancy in years (mean ± SD) | 6.0 ± 1.8 | 6.1 ± 1.6 | 6.2 ± 1.5 | 6.1 ± 1.4 | 5.9 ± 1.9 |
| Smoking status (%) | |||||
| Current | 13.1 | 15.5 | 17.1 | 6.1 | 9.9 |
| Former | 25.9 | 29.0 | 30.1 | 38.8 | 21.7 |
| Never | 61.1 | 55.5 | 52.9 | 55.1 | 68.4 |
See “Materials and Methods” for definitions of the three case groups and the comparison group.
a
Respiratory cases plus comparison subjects.