Table 3.
Multivariate logistic regression for predictors of asthma among subjects with COPD:
| Variable | OR [CI] | p-value |
|---|---|---|
| African-American race | 2.05 [1.31, 3.21] | 0.002 |
| Female gender | 0.94 [0.63, 1.40] | 0.76 |
| Older age (per decade) | 0.76 [0.60, 0.97] | 0.03 |
| Pack years of smoking (per 10 pack years) | 0.86 [0.78, 0.95] | 0.002 |