Sample demographics, N=1501 adolescents
| Total | Vaped in past 30 days | Susceptible to vaping | Non-susceptible to vaping | |
| N=1501 | n=464 | n=649 | n=388 | |
| N (%) or M±SD | N (%) or M±SD | N (%) or M±SD | N (%) or M±SD | |
| Gender | ||||
| Female | 769 (51.6) | 181 (39.0) | 360 (55.5) | 228 (58.8) |
| Male | 732 (48.3) | 283 (60.7) | 289 (44.5) | 160 (41.2) |
| Age, years | 15.4±1.39 | 15.4±1.31 | 15.3±1.37 | 15.1±1.47 |
| Age category | ||||
| 13 | 227 (15.3) | 48 (10.3) | 102 (15.7) | 77 (19.8) |
| 14 | 233 (15.6) | 71 (15.3) | 96 (14.8) | 66 (17.0) |
| 15 | 309 (20.6) | 106 (22.8) | 127 (19.6) | 76 (19.6) |
| 16 | 359 (23.6) | 111 (23.9) | 178 (27.4) | 70 (18.0) |
| 17 | 373 (24.9) | 128 (27.6) | 146 (22.5) | 99 (25.5) |
| Maternal education | ||||
| <HS diploma | 101 (6.7) | 29 (6.3) | 50 (7.5) | 22 (5.6) |
| HS diploma or equivalent | 292 (19.5) | 75 (16.2) | 139 (20.8) | 78 (19.7) |
| Some college or associate degree | 446 (29.7) | 112 (24.1) | 205 (30.7) | 129 (32.6) |
| College degree | 404 (26.9) | 143 (30.8) | 161 (24.1) | 100 (25.3) |
| ≥Master’s degree | 258 (17.2) | 105 (22.6) | 94 (14.1) | 59 (14.9) |
| Not applicable | 31 (2.0) | 4 (0.9) | 19 (2.8) | 8 (2.0) |
| Race | ||||
| White | 1061 (70.7) | 367 (79.1) | 443 (68.3) | 251 (64.7) |
| Black or African American | 337 (22.0) | 74 (15.9) | 148 (22.8) | 108 (27.8) |
| Native American | 29 (1.9) | 3 (0.6) | 20 (3.1) | 6 (1.5) |
| Asian | 73 (4.9) | 19 (4.1) | 37 (5.7) | 17 (4.4) |
| Native Hawaiian/Pacific Islander | 19 (1.3) | 5 (1.1) | 11 (1.7) | 3 (0.8) |
| ‘Other’ race | 66 (4.4) | 13 (2.8) | 29 (4.5) | 24 (6.2) |
| Hispanic/Latino | 305 (20.3) | 99 (21.3) | 126 (19.4) | 80 (20.6) |
| Past 30-day tobacco product use | ||||
| Cigarettes | 327 (21.8) | 279 (60.1) | 44 (6.8) | 4 (1.0) |
| Traditional cigars | 130 (8.7) | 110 (23.7) | 16 (2.5) | 4 (1.0) |
| Cigarillos or little cigars | 242 (16.1) | 189 (40.7) | 46 (7.0) | 7 (1.8) |
| Pipe filled with tobacco | 48 (3.2) | 34 (7.3) | 11 (1.6) | 3 (0.8) |
| Hookah | 164 (10.9) | 126 (27.2) | 35 (5.4) | 3 (0.8) |
| Smokeless tobacco | 93 (6.2) | 72 (15.5) | 20 (3.1) | 1 (0.3) |
For the race variable participants could check all that apply.