Table 3. Factors Associated With Current Vaping of CBD Among Current e-Cigarette Users.
| Factor | Weighted prevalence of current vaping of CBD, % (95% CI) | Current vaping of CBDa | ||||
|---|---|---|---|---|---|---|
| Yes vs no | Do not know vs no | |||||
| Yes | Do not know | AOR | P value | AOR | P value | |
| Overall | 21.3 (18.4-24.1) | 6.3 (4.7-7.8) | NA | NA | NA | NA |
| Sex | ||||||
| Female | 20.9 (17.4-24.4) | 6.1 (4.3-7.9) | 1.1 (0.7-1.7) | .61 | 0.8 (0.5-1.4) | .50 |
| Male | 21.6 (16.3-26.9) | 6.5 (4.3-8.8) | 1 [Reference] | NA | 1 [Reference] | NA |
| Grade | ||||||
| Middle school | 15.4 (9.1-21.6) | 10.1 (6.6-13.6) | 1 [Reference] | NA | 1 [Reference] | NA |
| High school | 22.0 (18.9-25.0) | 5.6 (3.9-7.4) | 1.3 (0.8-2.2) | .31 | 0.7 (0.4-1.2) | .20 |
| Race and ethnicity | ||||||
| Hispanic | 25.9 (20.4-31.4) | 7.3 (4.3-10.3) | 1.9 (1.3-2.8) | <.001 | 1.1 (0.6-2.0) | .83 |
| Non-Hispanic Black | 26.1 (16.9-35.2) | 8.1 (3.6-12.6) | 1.8 (1.0-3.5) | .06 | 1.3 (0.5-2.9) | .58 |
| Non-Hispanic White | 18.7 (15.0-22.4) | 5.6 (3.3-7.8) | 1 [Reference] | NA | 1 [Reference] | NA |
| Non-Hispanic otherb | 19.0 (7.0-30.9) | 7.3 (2.3-12.3) | 1.2 (0.5-2.7) | .68 | 1.1 (0.4-3.2) | .88 |
| Sexual identity | ||||||
| Bisexual | 22.3 (16.0-28.6) | 8.1 (4.3-12) | 1.3 (0.8-2.1) | .29 | 1.6 (0.8-3.1) | .19 |
| Gay or lesbian | 28.6 (17.1-40.1) | 5.9 (0.0-12.7) | 1.5 (0.9-2.5) | .15 | 1.2 (0.5-3.2) | .66 |
| Heterosexual | 18.2 (14.9-21.6) | 5.2 (3.2-7.3) | 1 [Reference] | NA | 1 [Reference] | NA |
| Unsure | 27.4 (13.4-41.5) | 7.8 (0-16.6) | 1.6 (0.7-3.6) | .26 | 1.3 (0.3-5.1) | .69 |
| Language other than English at home | ||||||
| No | 20.8 (17.5-24.1) | 4.9 (2.9-6.9) | 1 [Reference] | NA | 1 [Reference] | NA |
| Yes | 18.1 (13.0-23.2) | 9.3 (5.4-13.1) | 0.8 (0.5-1.3) | .34 | 1.5 (0.8-2.9) | .23 |
| Perceived tobacco danger | ||||||
| No | 25.8 (20.2-31.4) | 8.3 (5.3-11.4) | 1 [Reference] | NA | 1 [Reference] | NA |
| Yes | 19.8 (16.5-23.1) | 5.0 (3.3-6.7) | 0.9 (0.6-1.3) | .51 | 0.6 (0.32-0.98) | .04 |
| Frequency of e-cigarette usec | ||||||
| Occasional | 15.2 (11.9-18.5) | 9.2 (6.7-11.6) | 1 [Reference] | NA | 1 [Reference] | NA |
| Moderate | 19.9 (13.2-26.7) | 4.4 (1.8-7.0) | 1.1 (0.7-1.8) | .71 | 0.5 (0.24-0.98) | .04 |
| Frequent | 27.6 (23.4-31.8) | 4.2 (1.7-6.7) | 1.5 (1.1-1.9) | .01 | 0.6 (0.3-1.2) | .16 |
| Vaping duration, y | ||||||
| <1 | 9.3 (5.4-13.3) | 8.9 (4.6-13.2) | 1 [Reference] | NA | 1 [Reference] | NA |
| 1 | 17.3 (12.6-22.1) | 6.7 (3.6-9.9) | 2.0 (1.0-4.0) | .05 | 0.9 (0.4-2.0) | .82 |
| 2-3 | 20.9 (15.7-26.1) | 5.9 (3.4-8.4) | 2.2 (1.2-3.9) | .01 | 1.1 (0.5-2.6) | .81 |
| >3 | 31.6 (26.8-36.4) | 5.1 (2.3-7.9) | 3.2 (1.7-6.1) | <.001 | 1.2 (0.5-2.8) | .70 |
| Type of e-cigarette used in the past 30 d | ||||||
| Disposable e-cigarette | 21.4 (18.4-24.3) | 5.8 (3.6-7.9) | 1 [Reference] | NA | 1 [Reference] | NA |
| e-Cigarette that uses prefilled pods or cartridges | 22.5 (16.6-28.4) | 4.1 (2.2-5.9) | 0.9 (0.6-1.3) | .54 | 0.7 (0.4-1.3) | .23 |
| e-Cigarette with a tank that is refilled with liquids | 29.5 (18.4-40.6) | 7.6 (1.2-14) | 1.4 (0.8-2.5) | .23 | 1.2 (0.4-3.7) | .70 |
| Do not know | 13.4 (7.6-19.1) | 12.5 (7.9-17.1) | 0.7 (0.4-1.2) | .21 | 1.7 (1.0-2.9) | .046 |
| Current use of other tobacco products | ||||||
| No | 15.4 (12.0-18.7) | 6.7 (4.9-8.6) | 1 [Reference] | NA | 1 [Reference] | NA |
| Yes | 34.3 (27.5-41.1) | 5.2 (3.1-7.3) | 2.5 (1.7-3.8) | <.001 | 1.0 (0.6-1.7) | .90 |
Abbreviations: AOR, adjusted odds ratio; CBD, cannabidiol; NA, not applicable.
a
Multinomial logistic regression model included current vaping of CBD (no as the reference group) as the outcome variable, with all variables in this table as simultaneous regressors. Missing covariate data were managed with multiple imputations using 20 multiply-imputed data sets.
b
Included American Indian or Alaska Native, Asian, and Native Hawaiian or other Pacific Islander.
c
Occasional was defined as 5 days or less; moderate, 6 to 19 days; and frequent, 20 days or more.