| variables | PA | NP | |||
| S1 | breathlessness | 5.67 | 4.63 | 0.01 | |
| S2 | Cough embarrassment | 5.47 | 4.01 | 0.001 | |
| Symptoms | S3 | Experimentation of chest tightness | 5.63 | 4.71 | 0.02 |
| S4 | Alteration of nocturnal sleep | 6.20 | 5.06 | 0.005 | |
| S5 | Experimentation of wheezing | 6.10 | 4.75 | 0.005 | |
| E1 | Exposure to dust | 4.47 | 4.67 | 0.80 | |
| Exposure to stimuli | E2 | Exposure to cigarette smoke | 5.70 | 5.80 | 0.90 |
| E3 | Exposure to air pollution | 5.93 | 6.04 | 0.90 | |
| Emotion | EM1 | Frustration | 5.87 | 5.00 | 0.20 |
| EM2 | Concern approximately unavailability of drugs | 6.10 | 6.10 | 0.99 | |
| EM3 | Worry approximately being asthmatic | 6.00 | 4.35 | 0.001 | |
| Limitation of activities | A1 | Activities supported | 5.31 | 3.73 | 0.005 |
| A2 | Moderate activities | 5.80 | 5.36 | 0.10 | |
| A3 | Social activities | 6.47 | 6.34 | 0.50 | |
| A4 | Work-related activities | 6.15 | 6.04 | 0.60 |