Table 2 Cigarette and E-Cigarette Status, Tobacco Associated Variables, and Lifetime COPD Diagnosis in Adults 40 Years and Older1
Product Use2 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Cigarette | E-cigarette | Sample Size, n | Individuals with COPD, N | Mean Age | Mean Pack Years | Childhood Smoking, < 15 Years of Age | Mean Years Since Quit Smoking2 | Mean Cigarettes Per Day When Smoking Regularly | Lifetime COPD Diagnosis (%) | Mean Comorbidity Score | |
Never | Never | 12,777 | 385 | 59.0 | / | / | / | / | 2.6% | 1.8 | |
Never | Former | 220 | 2 | 51.1 | / | / | / | / | 0.6% | 2.0 | |
Never | Current | 25 | 2 | 49.4 | / | / | / | / | 11.7% | 1.5 | |
Former | Never | 6,037 | 699 | 64.4 | 19.4 | 14.9% | 24.6 | 16.1 | 11.0% | 2.5 | |
Former | Former | 657 | 100 | 53.6 | 22.1 | 19.5% | 9.3 | 15.1 | 13.8% | 2.0 | |
Former | Current | 217 | 33 | 52.7 | 32.6 | 24.1% | 7.3 | 22.3 | 15.6% | 2.1 | |
Current | Never | 1,640 | 275 | 58.2 | 28.1 | 18.8% | 0.0 | 13.9 | 15.9% | 1.9 | |
Current | Former | 893 | 204 | 54.8 | 29.1 | 21.2% | 0.0 | 15.3 | 22.1% | 2.2 | |
Current | Current | 121 | 17 | 50.9 | 25.6 | 27.3% | 0.0 | 15.3 | 16.0% | 1.9 | |