Table 2:
Demographic characteristics of asthma patients with exacerbations (cases) vs. those without exacerbations (controls). N (%) are shown. Table 3 reports statistical differences of these variable distributions between cases and controls.
| Cases (N=2,773) | Controls (N = 24,831) | |
|---|---|---|
| Gender | ||
| Male | 715 (25.8) | 6,828 (27.5) |
| Female | 2,058 (74.2) | 18,003 (72.5) |
| Race/Ethnicity | ||
| White | 1,359 (49.0) | 13,488 (54.3) |
| Black | 1,414 (51.0) | 11,343 (45.7) |
| Age (years) | ||
| 18-33 | 431 (15.5) | 6,622 (26.7) |
| 34-47 | 714 (25.7) | 6,143 (24.7) |
| 48-59 | 859 (31.0) | 6,119 (24.6) |
| 60-80 | 769 (27.7) | 5,947 (23.9) |
| Body Mass Index (BMI) | ||
| Not overweight or obese | 620 (22.4) | 4,987 (20.1) |
| Overweight | 595 (21.5) | 5,520 (22.2) |
| Grade 1 obese | 501 (18.1) | 4,237 (17.1) |
| Grade 2 obese | 341 (12.3) | 2,722 (11.0) |
| Grades ≥ 3 obese | 428 (15.4) | 2,862 (11.5) |
| Missing | 450 (16.2) | 4,503 (18.1) |
| Smoking Status | ||
| Never | 1,340 (48.3) | 13,717 (55.2) |
| Passive | 19 (0.7) | 145 (0.6) |
| Quit | 923 (33.3) | 6,949 (28.0) |
| Yes | 930 (14.1) | 3,275 (13.2) |
| Missing | 101 (4.4) | 745 (3.0) |
| Financial Class | ||
| Private Insurance | 1,516 (54.7) | 15,817 (63.7) |
| Medicare | 741 (26.7) | 5,343 (21.5) |
| Medicaid | 497 (17.9) | 4,085 (16.5) |
| Other | 19 (0.7) | 216 (0.9) |