Table 1.
Sample Characteristics of Never Combustible Tobacco Product Users at Baseline and the Association Between Blunt/Non-Blunt Cannabis Use at Baseline and Subsequent Trying a Combustible Tobacco Product at Follow-up (N = 2973)
| Combustible tobacco use at follow-up1 | ||||
|---|---|---|---|---|
| Baseline characteristics | Total (N = 2973) n (col %) | No (n = 2747, 92.4%) n (row %)2 | Yes (n = 226, 7.6%) n (row %)2 | Adjusted odds ratio (95% confidence interval)3 |
| Ever blunt/cannabis use | ||||
| Ever blunt use | 221 (7.4) | 166 (75.1) | 55 (24.9) | 1.98 (1.30 to 3.01)* |
| Ever non-blunt cannabis use | 114 (3.8) | 90 (79.0) | 24 (21.1) | 2.38 (1.41 to 4.00)* |
| No | 2638 (88.7) | 2491 (94.4) | 147 (5.6) | Ref. |
| Ever e-cigarette use | ||||
| Yes | 491 (16.5) | 394 (80.2) | 97 (19.8) | 1.80 (1.27 to 2.56)* |
| No | 2482 (83.5) | 2353 (94.8) | 129 (5.2) | Ref. |
| Ever hookah use | ||||
| Yes | 464 (15.6) | 352 (75.9) | 112 (24.1) | 4.37 (3.08 to 6.20)* |
| No | 2509 (84.4) | 2395 (95.5) | 114 (4.5) | Ref. |
| Baseline grade level | ||||
| 9 | 2468 (83.0) | 2286 (92.6) | 182 (7.4) | Ref. |
| 10 | 224 (7.5) | 207 (92.4) | 17 (7.6) | 1.97 (0.78 to 4.96) |
| 11 | 160 (5.4) | 143 (89.4) | 17 (10.6) | 2.30 (0.90 to 5.87) |
| 12 | 121 (4.1) | 111 (91.7) | 10 (8.3) | 1.78 (0.64 to 4.97) |
| Gender | ||||
| Male | 1289 (43.4) | 1181 (91.6) | 108 (8.4) | 1.34 (1.01 to 1.80)* |
| Female | 1684 (56.6) | 1566 (93.0) | 118 (7.0) | Ref. |
| Race/ethnicity | ||||
| Non-Hispanic White | 993 (33.4) | 921 (92.8) | 72 (7.3) | Ref. |
| Hispanic | 1080 (36.3) | 989 (91.6) | 91 (8.4) | 0.84 (0.54 to 1.30) |
| Other | 900 (30.3) | 837 (93.0) | 63 (7.0) | 0.95 (0.61 to 1.48) |
| Non-Hispanic Black | 98 (3.3) | 87 (88.8) | 11 (11.2) | — |
| Asian | 469 (15.8) | 447 (95.3) | 22 (4.7) | — |
| Other, including bi- and multi-racial | 333 (11.2) | 303 (91.0) | 30 (9.0) | — |
| Study | ||||
| H&H | 2256 (75.9) | 2081 (92.2) | 175 (7.8) | 1.45 (0.62 to 3.37) |
| YASS | 717 (24.1) | 666 (92.9) | 51 (7.1) | Ref. |
H&H = Happiness & Health Study; YASS = Yale Adolescent Survey Study.
1Combustible tobacco-only products included cigarettes, cigars, and cigarillos.
2Percentages may not sum to 100 due to rounding.
3Odds ratios are adjusted for baseline measures of ever blunt/cannabis use, ever e-cigarette use, ever hookah use, baseline grade level (9th–12th), gender, race/ethnicity (White, Hispanic, Other), and study (H&H, YASS).
*Statistically significant associations (p ≤ .05).