Table 4.
Self-reported smoking and vaping behaviors of nicotine and tetrahydrocannabinol before and 12 months after e-cigarette– or vaping-associated lung injury
| Smoking/Vaping Behavior | 12-Mo Patients Responding, 64 of 73 (87.7%) | Nicotine E-Cigarettes |
THC/CBD E-Cigarettes |
Tobacco Cigarettes |
Combustible Marijuana |
||||
|---|---|---|---|---|---|---|---|---|---|
| Stopped | Still Using | Stopped | Still Using | Stopped | Still Using | Stopped | Still Using | ||
| Nicotine e-cigarettes, n (%) | 39 of 64 (60.9) | 21 (53.8) | 18 (46.2) | 28 (71.8) | 11 (28.2) | 31 (79.5) | 8 (20.5) | 22 (56.4) | 17 (43.6) |
| THC or CBD e-cigarettes, n (%) | 52 of 64 (81.3) | 40 (76.9) | 12 (23.1) | 39 (75.0) | 13 (25.0) | 45 (86.5) | 7 (13.5) | 30 (57.7) | 22 (42.3) |
| Tobacco cigarettes, n (%) | 25 of 64 (39.1) | 18 (72.0) | 7 (28.0) | 22 (88.0) | 3 (12.0) | 14 (56.0) | 11 (44.0) | 12 (48.0) | 13 (52.0) |
| Combustible marijuana, n (%) | 46 of 64 (71.9) | 32 (69.6) | 14 (30.4) | 35 (76.1) | 11 (23.9) | 38 (82.6) | 8 (17.4) | 21 (45.7) | 25 (54.3) |
Definition of abbreviations: CBD = cannabidiol; THC = tetrahydrocannabinol.