Table 1. Demographics by time of study.
| Time 1; n (%) | Time 2; n (%) | Time 3; n (%) | Time 4; n (%) | |
|---|---|---|---|---|
| Age, years (n = 4,080) | ||||
| 18–20 | 20 (2) | 15 (2) | 285 (25) | 154 (13) |
| 21–23 | 676 (63) | 439 (61) | 531 (46.5) | 609 (53) |
| 24–26 | 373 (35) | 266 (37) | 326 (28.5) | 386 (34) |
| Race/ethnicity (n = 4,046) | ||||
| White | 502 (48) | 283 (40) | 273 (24) | 277 (24) |
| Hispanic | 374 (36) | 301 (42) | 692 (61) | 686 (60) |
| Other | 170 (16) | 131 (18) | 176 (15) | 181 (16) |
| Education (n = 4,071) | ||||
| HS only/college dropout | 150 (14) | 155 (21.5) | 248 (22) | 285 (25) |
| In college | 614 (58) | 396 (55) | 687 (60) | 620 (54) |
| College Graduate | 302 (28) | 169 (23.5) | 204 (18) | 241 (21) |
| Male sex (n = 4,051) | 608 (58) | 403 (56) | 497 (44) | 574 (50) |
| LGB sexual orientation (n = 4,069)a | 101 (9.5) | 85 (12) | 216 (19) | 188 (16) |
| Smoking status (n = 3,909) | ||||
| Nonsmoker | 553 (53) | 348 (50) | 633 (57) | 658 (63) |
| Nondaily smoker | 328 (31) | 214 (31) | 344 (31) | 298 (28) |
| Daily smoker | 169 (16) | 132 (19) | 136 (12) | 96 (9) |
| Tobacco advertising receptivity (n = 3,675) | 261 (25) | 244 (35) | 291 (26) | 183 (23) |
| HAVOC intervention recall (n = 3,622) | 111 (11) | 106 (15) | 262 (23) | 268 (37) |
| Partier peer crowd association (n = 4,080) | 352 (33) | 212 (29) | 581 (51) | 586 (51) |
| Binge drinking in past 30 days (n = 3,887) | 830 (79.5) | 506 (73.5) | 641 (58) | 778 (74) |
| Anti-industry attitude (mean, SD) (n = 4,000) | 2.5 (1.3) | 2.6 (1.3) | 3.0 (1.3) | 2.6 (1.3) |
| Social Prioritization Index (mean, SD; n = 3,396) | 9.1 (3.2) | 8.2 (3.0) | 9.6 (3.1) | 9.2 (3.1) |
HS = high school; n = total row n.
a
Lesbian, gay, bisexual.