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Demographics and behavioral assessments of participants.
| Variables | Mean (SD) |
|---|---|
| Age (yrs) | 23.7 (3.1) |
| Sex (female/male) | 13/10 |
| Forced expiratory volume in 1 s (L) | 3.21 (0.47) |
| Forced expiratory volume in 1 s (% of predicted value) | 78 (8.64) |
| Forced expiratory volume in 1 s/Forced vital capacity (%) | 107 (8.83) |
| Self-reported breathlessness (VAS) | 20 (25.78) |
