Table 1.
The Association of Vaping With Self-Reported COPD Diagnosis in Adults
| Smoking and vaping status | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|
| Dual users | 5.97 (5.51, 6.47) | 4.39 (3.98, 4.85) |
| Current smokers | 5.79 (5.53, 6.05) | 3.80 (3.58, 4.02) |
| Current vapers who were ex-smokers | 3.66 (3.14, 4.27) | 3.24 (2.78, 3.78) |
| Current vapers who never smoked | 0.71 (0.53, 0.96) | 1.47 (1.01, 2.12) |
| Ex-smokers | 3.99 (3.83, 4.16) | 2.56 (2.43, 2.69) |
| Never users | Reference | Reference |
| Current smokers | 1.45 (1.39, 1.51) | 1.48 (1.41, 1.56) |
| Current vapers who were ex-smokers | 0.92 (0.79, 1.07) | 1.27 (1.09, 1.48) |
| Ex-smokers | Reference | Reference |
| Ex-smokers | 0.69 (0.66, 0.72) | 0.67 (0.64, 0.71) |
| Dual users | 1.03 (0.95, 1.12) | 1.16 (1.05, 1.27) |
| Current vapers who were ex-smokers | 0.63 (0.54, 0.74) | 0.85 (0.73, 0.99) |
| Current vapers who never smoked | 0.12 (0.09, 0.17) | 0.39 (0.27, 0.56) |
| Current smokers | Reference | Reference |
BMI = body mass index; CI = confidence interval; COPD = chronic obstructive pulmonary disease; ORs = odds ratios.
The covariates controlled for the adjusted ORs: age, sex, race/ethnicity, marital status, employment status, education, income, BMI, and general health.