TABLE 1 ] .
Baseline Demographic and Clinical Characteristics of Study Participants
| Characteristic | CART (n = 61) | SLOW (n = 55) |
| Age, ya | 37.3 ± 12.1 | 42.4 ± 12.9 |
| Women | 35 (57.4) | 36 (65.5) |
| Race | ||
| White | 40 (65.6) | 36 (65.6) |
| Black | 18 (29.5) | 17 (30.9) |
| Other | 3 (4.9) | 2 (3.6) |
| Hispanic | 9 (14.8) | 8 (14.5) |
| BMI, kg/m2 | 28.6 ± 6.0 | 31.3 ± 7.0 |
| Symptoms mostly at night | 14 (23.3) | 11 (20.4) |
| Asthma controlb | ||
| Well controlled | 9 (14.8) | 4 (7.3) |
| Not well controlled | 23 (37.7) | 22 (40.0) |
| Very poorly controlled | 29 (47.5) | 29 (52.7) |
| Asthma severityb,c | ||
| Intermittent | 0 (0.0) | 1 (1.8) |
| Mild persistent | 8 (13.1) | 6 (10.9) |
| Moderate persistent | 12 (19.7) | 11 (20.0) |
| Severe persistent | 2 (3.3) | 5 (9.1) |
| Short-term bronchodilator use only | 22 (36.1) | 23 (41.8) |
| Bronchodilator use, times/d | 1.4 ± 2.4 | 1.3 ± 2.7 |
| Inhaled corticosteroid use | 35 (57.4) | 32 (58.2) |
| Leukotriene inhibitor use | 13 (21.3) | 6 (10.9) |
Data are presented as mean ± SD or No. (%). CART = capnometry-assisted respiratory training; SLOW = slow breathing and awareness training.
a
P < .05.
b
Asthma control and asthma severity is based on National Heart, Lung, and Blood Institute criteria.1
c
Severity was only calculated for participants not taking maintenance medication.