Table 1.
Baseline descriptive statistics and tests for group differences at baseline for all outcome and independent variables. Chronic stress scores are standardized Life Stress Interview (LSI) scores plus standardized Adverse Childhood Experiences Questionnaire (ACEIQ) scores.
| Variable | Group Mean (Range) |
p-value | |
|---|---|---|---|
| MBSR (n = 35) | Wait-List Controls (n = 34) | ||
| Age (y) | 39.1 (18–65) | 37.33 (18–64) | .582 |
| Duration (y since self-reported asthma onset) | 18.8 (1–43) | 19.8 (3–54) | .722 |
| Childhood Onset (number of participants) | 20 | 20 | 1 |
| Asthma Control Questionnaire (ACQ6) Score | .8 (0–2.83) | .7 (0–2.67) | .441 |
| Composite Asthma Severity Index (CASI) Score | 2.6 (0–8) | 2.4 (0–11) | .734 |
| Five-Facet Mindfulness Questionnaire (FFMQ) | 103.11 (70–138) | 102.94 (73–133) | .967 |
| Chronic Stress | .03 (−2.55-4.5) | .04 (−2.95-4.47) | .973 |
| Beck Depression Inventory (BDI) Score | 8.53 (0–26) | 8.62 (0–30) | .954 |
| Beck Anxiety Inventory (BAI) Score | 6.03 (0–18) | 7.09 (0–28) | .397 |
| Global Severity Index (GSI) | 0.43 (0.03–1.28) | 0.37 (0–1.22) | .425 |
| Positive Symptom Distress Index (PSDI) | 1.35 (1–2.4) | 1.24 (1–1.93) | .143 |
| Fraction of Exhaled Nitric Oxide (FeNO) (ppb) | 40.3 (7–117) | 33.7 (6–111) | .279 |
| Blood Eosinophil Count (cells/μL) | 213. (17.6–704) | 228 (17.6–686.4) | .709 |
| Sputum Percent Eosinophils | 2.9 (0–27.3) | 1.3 (0–12.3) | .125 |
| FEV1 (liters) | 3.2 (1.94–4.96) | 3.3 (1.71–5.3) | .546 |
| FEV1% Predicted | 90.1 (66–111) | 93.1 (73–115) | .256 |