Table 1.
Demographics and Clinical Characteristics of Enrolled Patients*
| Characteristic | All Enrolled and Completed Data Entry Forms (n = 1884) | Completed Enrollment Questionnaires (n = 1109) |
|---|---|---|
| Age at enrollment, y | ||
| Mean (SD) | 54 (14) | 54 (14) |
| Median (range) | 55 (18, 92) | 55 (18, 86) |
| Female, % | 69 | 70 |
| Race, % | ||
| White | 75 | 80 |
| Black | 19 | 15 |
| Other | 4 | 4 |
| Not reported | 2 | 1 |
| Hispanic or Latino ethnicity, % | ||
| Hispanic or Latino | 8 | 7 |
| Not Hispanic or Latino | 92 | 93 |
| BMI, kg/m2 | ||
| Mean (SD) | 33 (9) | 33 (9) |
| Median (range) | 32 (9, 109) | 32 (9, 109) |
| Care by subspecialist at site, % | ||
| Allergist/immunologist | 39 | 43 |
| Pulmonologist | 51 | 47 |
| Allergist/immunologist and pulmonologist | 10 | 10 |
| Insurance, % | ||
| Commercial | 60 | 64 |
| Medicare | 23 | 23 |
| Medicaid | 10 | 7 |
| Other† | 5 | 6 |
| Uninsured | 1 | 1 |
| Residential area, % | ||
| Suburban | 50 | 52 |
| Urban | 26 | 25 |
| Rural | 20 | 20 |
| Missing | 4 | 3 |
| Smoking status, % | ||
| Never | 66 | 68 |
| Former | 30 | 29 |
| Current | 3 | 3 |
| Employment status, % | ||
| Employed full-time | 39 | 42 |
| Employed part-time | 6 | 6 |
| Self-employed | 3 | 4 |
| Homemaker | 3 | 3 |
| Full-time student | 2 | 2 |
| Retired | 22 | 22 |
| Disabled due to asthma | 8 | 8 |
| Disabled due to nonasthma condition | 7 | 6 |
| Unemployed‡ | 6 | 5 |
| Missing | 4 | 3 |
| Education level, % | ||
| Some high school or less | 5 | 3 |
| Graduated high school | 23 | 21 |
| College | 46 | 48 |
| Graduate school | 17 | 19 |
| Missing | 9 | 8 |
| Enrollment treatment class, % | ||
| Uncontrolled on high-dosage ICS/LABA only | 30 | 28 |
| Any monoclonal antibody | 65 | 67 |
| Omalizumab | 31 | 34 |
| Non-omalizumab | 32 | 33 |
| Systemic corticosteroids or immunosuppressant | 14 | 13 |
| Exacerbations during 12 months prior to enrollment | ||
| Confirmed exacerbations per patient, mean, n | 1.2 | 1.1 |
Notes: *Percentages may not total 100% as a result of rounding. †”Other” includes “other government insurance” and “other”. ‡”Unemployed” does not include retired, disabled, or homemaker.
Abbreviations: BMI, body mass index; ICS, inhaled corticosteroid; LABA, long-acting beta agonist; SD, standard deviation.