TABLE 2.
—Pearson Product–Moment Correlations Between Changes in Outcome Variables and Baseline Measures
| Baseline Measure | Change FEV1 | Change in Predicted FEV1 | Change in PEF: AM | Change in PEF: PM | Change in Asthma Bother Score |
| FEV1 | –0.259** | –0.189** | –0.147* | –0.023 | –0.038 |
| Predicted FEV1 | –0.334** | –0.352** | –0.069 | 0.006 | –0.046 |
| PEF: AM | 0.030 | 0.077 | –0.202** | –0.089 | –0.028 |
| PEF: PM | 0.031 | 0.081 | –0.097 | –0.145* | –0.055 |
| Positive affect | –0.010 | 0.012 | 0.020 | 0.003 | 0.078 |
| Negative affect | 0.046 | 0.072 | –0.100 | –0.130 | –0.193** |
| Asthma bother score | 0.072 | 0.031 | –0.078 | 0.080 | –0.353** |
| AAMS score | 0.120 | 0.141 | –0.102 | –0.024 | –0.023 |
| Spirometry score | 0.063 | –0.025 | –0.075 | 0.067 | –0.011 |
| Mood | 0.014 | 0.034 | 0.000 | –0.057 | 0.094 |
| Symptoms | –0.125 | –0.074 | –0.060 | –0.052 | –0.068 |
| Problem-free days | 0.176* | 0.131 | 0.046 | –0.031 | 0.065 |
Note. FEV1 = forced expiratory volume in 1 second; PEF = peak expiratory flow; AAMS = Attitudes to Alternative Medicine Scale.
*P < .05; **P < .01.