Bivariate Association of E-Cigarette Use at Wave 2 and Smoking Initiation at Wave 3, by Smoking Intention at Wave 2, n = 8242
| . | Did Not Initiate Smoking at Wave 3, No. (%) . | Initiated Smoking at Wave 3, No. (%) . | Total No. (%) . |
|---|---|---|---|
| No smoking intention at wave 2 | |||
| No e-cigarette use at wave 2 | 6633 (98.5) | 102 (1.5) | 6735 (100) |
| E-cigarette use at wave 2 | 372 (90.3) | 40 (9.7) | 412 (100) |
| Total | 7005 (98.0) | 142 (2.0) | 7147 (100) |
| Smoking intention at wave 2 | |||
| No e-cigarette use at wave 2 | 726 (90.0) | 81 (10.0) | 807 (100) |
| E-cigarette use at wave 2 | 238 (82.6) | 50 (17.4) | 288 (100) |
| Total | 964 (88.0) | 131 (12.0) | 1095 (100) |
| . | Did Not Initiate Smoking at Wave 3, No. (%) . | Initiated Smoking at Wave 3, No. (%) . | Total No. (%) . |
|---|---|---|---|
| No smoking intention at wave 2 | |||
| No e-cigarette use at wave 2 | 6633 (98.5) | 102 (1.5) | 6735 (100) |
| E-cigarette use at wave 2 | 372 (90.3) | 40 (9.7) | 412 (100) |
| Total | 7005 (98.0) | 142 (2.0) | 7147 (100) |
| Smoking intention at wave 2 | |||
| No e-cigarette use at wave 2 | 726 (90.0) | 81 (10.0) | 807 (100) |
| E-cigarette use at wave 2 | 238 (82.6) | 50 (17.4) | 288 (100) |
| Total | 964 (88.0) | 131 (12.0) | 1095 (100) |
A total of 419 observations have missing data for e-cigarette use or smoking intention at wave 2 and are excluded from this table.