Table 2.
Association of Baseline Ever Blunt/Non-Blunt Cannabis Use With Subsequent Combustible Tobacco-Only Product Use, Stratified by Baseline e-cigarette and Hookah Use
| Never baseline e-cigarette/hookah users | Baseline e-cigarette/hookah users | |||||
|---|---|---|---|---|---|---|
| Combustible tobacco-only product use at follow-up | Combustible tobacco-only product use at follow-up | |||||
| No n (%)1 | Yes n (%)1 | Odds ratio2 (95% CI) | No n (%)1 | Yes n (%)1 | Odds ratio3 (95% CI) | |
| E-cigarettes4 | ||||||
| Blunt use | 61 (76.3) | 19 (23.8) | 3.86 (2.11 to 7.05)* | 105 (74.5) | 36 (25.5) | 1.26 (0.75 to 2.11) |
| Non-blunt cannabis use | 51 (82.3) | 11 (17.7) | 3.25 (1.59 to 6.66)* | 39 (75.0) | 13 (25.0) | 1.59 (0.76 to 3.30) |
| No cannabis use | 2241 (95.8) | 99 (4.2) | Ref. | 250 (83.9) | 48 (16.1) | Ref. |
| Hookah5 | ||||||
| Blunt use | 71 (79.8) | 18 (20.2) | 5.04 (2.77 to 9.19)* | 95 (72.0) | 37 (28.0) | 1.16 (0.71 to 1.91) |
| Non-blunt cannabis use | 58 (84.1) | 11 (15.9) | 4.13 (2.05 to 8.32)* | 32 (71.1) | 13 (28.9) | 1.35 (0.66 to 2.75) |
| No cannabis use | 2266 (96.4) | 85 (3.6) | Ref. | 225 (78.4) | 62 (21.6) | Ref. |
1Percentages are row percentages within strata. Percentages may not sum to 100 due to rounding.
2Odds ratios are for the effect of blunt/non-blunt cannabis use on combustible tobacco product use among never e-cigarette users (top) or never hookah users (bottom).
3Odds ratios are for the effect of blunt/non-blunt cannabis use on combustible tobacco product use among ever e-cigarette users (top) or ever hookah users (bottom).
4Odds ratios are adjusted for gender, race/ethnicity, grade, study, and ever hookah use at baseline. p for interaction = .0125.
5Odds ratios are adjusted for gender, race/ethnicity, grade, study, and ever e-cigarette use at baseline. p for interaction = .0002.