clinical characteristics and experimental details of subjects
| Subject | Sex | Age yrs | IS#µg·day−1 | FEV1 L (% pred) | FEV1/FVC value (% pred) | PD15 Unit + | Exposure Order |
| 1 | F | 42 | 200 | 2.15 (71) | 0.72 (83) | 3.5 | Air:1000 µg·m−3:100 µg·m−3 |
| 2 | F | 29 | 400 | 2.93 (86) | 0.71 (82) | 100 | 100 µg·m−3:Air:1000 µg·m−3 |
| 3¶ | F | 24 | nil | 3.12 (92) | 0.84 (96) | 64 | 100 µg·m−3:1000 µg·m−3:Air |
| 4 | F | 21 | nil | 2.97 (103) | 0.90 (103) | 36 | Air:100 µg·m−3:1000 µg·m−3 |
| 5 | F | 30 | 500 | 2.65 (87) | 0.81 (93) | 220 | 1000 µg·m−3:Air:100 µg·m−3 |
| 6 | F | 21 | nil | 3.33 (98) | 0.86 (98) | 41 | 1000 µg·m−3:100 µg·m−3:Air |
| 7 | M | 54 | nil | 2.77 (73) | 0.71 (89) | 5 | 100 µg·m−3:Air:1000 µg·m−3 |
| 8 | M | 17 | nil | 3.94 (98) | 0.85 (91) | 1500 | 1000 µg·m−3:100 µg·m−3:Air |
| 9¶ | M | 39 | 400 | 4.04 (98) | 0.74 (90) | 48 | 1000 µg·m−3:Air:100 µg·m−3 |
| 10 | F | 29 | 400 | 2.82 (86) | 0.77 (88) | 24 | Air:1000 µg·m−3:100 µg·m−3 |
| 11 | F | 32 | nil | 3.49 (112) | 0.86 (100) | 8 | 100 µg·m−3:1000 µg·m−3:Air |
| 12¶ | F | 40 | nil | 2.12 (92) | 0.73 (85) | 7 | Air:100 µg·m−3:1000 µg·m−3 |
| 13 | M | 27 | nil | 3.97 (94) | 0.82 (98) | 17 | 100 µg·m−3:Air:1000 µg·m−3 |
IS: inhaled steroid
FEV1: forced expiratory volume in one second
FVC: forced vital capacity
% pred: percentage of predicted
PD15: provocative dose causing a 15% fall in FEV1
F: female
M: male
#: IS µg·day−1of beclomethasone or equivalent
¶: subjects who failed to complete the study
+: 1 breath unit defined as five inhalations of a 50 unit·mL−1 solution (arbitrary units)