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Table 3 Odds ratios for chronic bronchitis in a multivariate logistic regression model

From: Clinical and computed tomographic predictors of chronic bronchitis in COPD: a cross sectional analysis of the COPDGene study

  OR 95% CI p
Wall thickness 1.19 1.02 1.37 0.022
Female gender 0.68 0.59 0.79 <0.0001
African American race 0.57 0.43 0.76 <0.0001
FEV1 (per 10% predicted) 0.84 0.78 0.90 <0.0001
FVC (per 10% predicted) 1.10 1.00 1.21 0.043
Allergic ocular symptoms 1.17 0.97 1.42 0.105
Allergic nasal symptoms 2.11 1.81 2.46 <0.0001
History of asthma 1.38 1.14 1.67 0.001
History of bronchitis 1.65 1.41 1.94 <0.0001
Gastroesophageal reflux 1.16 0.98 1.39 0.092
Current smoking 3.53 2.72 4.58 <0.0001
Smoking history (pack years) 1.004 1.003 1.007 0.035
Exposure to dusts 1.62 1.19 2.20 0.002
Occupational exposures 1.00 0.81 1.25 0.996