Table 1.
Characteristics of GERA Subjects
| Variable | Non-Hispanic Whites (N=68,638) | Asians (N=6,870) | Hispanics (N=5,874) | Blacks (N=2,760) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||
| Asthma Cases | Non-Asthmatic Controls | P Value | Asthma Cases | Non-Asthmatic Controls | P Value | Asthma Cases | Non-Asthmatic Controls | P Value | Asthma Cases | Non-Asthmatic Controls | P Value | |
|
|
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| Sample Size (N) | 14,755 | 53,883 | 1425 | 5445 | 1446 | 4428 | 670 | 2090 | ||||
|
| ||||||||||||
| Age in yrs. Mean (range) | 63.7 (18–90) | 64.6 (18–90) | <0.001 | 54.5 (19–89) | 54.8 (19–89) | 0.35 | 54.3 (19–90) | 54.3 (19–88) | 0.88 | 56.6 (19–90) | 58 (19–90) | 0.02 |
| % Male | 36% | 43% | <0.001 | 39% | 42% | 0.02 | 31% | 40% | <0.001 | 34% | 45% | <0.001 |
| BMI mean (range) | 28.5 (13–71) | 27 (12–77) | <0.001 | 25.5 (13–54) | 24.2 (15–50) | <0.001 | 29.2 (14–58) | 27.5 (16–75) | <0.001 | 30.6 (14–58) | 28.7 (17–57) | <0.001 |
| Comorbidities: | ||||||||||||
| Allergic rhinitis | 33% | 16% | <0.001 | 40% | 19% | <0.001 | 42% | 21% | <0.001 | 38% | 19% | <0.001 |
| Congestive Heart Failure | 3% | 2% | <0.001 | 2% | 1% | 0.001 | 2% | 1% | 0.21 | 4% | 3% | 0.36 |
| GERD | 25% | 17% | <0.001 | 16% | 12% | 0.001 | 28% | 18% | <0.001 | 26% | 17% | <0.001 |
| Acute respiratory infections | 52% | 37% | <0.001 | 49% | 34% | <0.001 | 59% | 44% | <0.001 | 54% | 39% | <0.001 |
| Chronic upper respiratory infections | 18% | 10% | <0.001 | 14% | 8% | <0.001 | 18% | 10% | <0.001 | 21% | 9% | <0.001 |
| Allergies | 71% | 51% | <0.001 | 75% | 55% | <0.001 | 74% | 48% | <0.001 | 71% | 46% | <0.001 |