Table 1:
Baseline characteristics of the study participants by sexual identity
| Characteristics | Total N=147 participants (100%) | Sexual minority N=61 participants (41.5%) | Heterosexual N=86 participants (58.5%) | t or χ2 | p-value |
|---|---|---|---|---|---|
| Demographics | |||||
| Age (years), Mean (SD) | 22.7 (2.4) | 22.8 (2.5) | 22.7 (2.4) | −0.36 | 0.72 |
| Gender identity | |||||
| Cisgender Male | 71 (48.3%) | 18 (29.5%) | 53 (61.6%) | ||
| Cisgender Female | 70 (47.6%) | 37 (60.7%) | 33 (38.4%) | 19.80 | <0.01 |
| Transgender and other | 6 (4.1%) | 6 (9.8%) | 0 (0.0%) | ||
| Sexual identity | |||||
| Straight | NA | 86 (100.0%) | |||
| Lesbian | 11 (18.0%) | ||||
| Gay | 3 (4.9%) | ||||
| Bisexual Male | 13 (21.3%) | NA | |||
| Bisexual Female | 27 (44.3%) | ||||
| Pansexual/Queer | 7 (11.5%) | ||||
| Participants’ highest education | |||||
| < College | 33 (22.5%) | 13 (21.3%) | 20 (23.3%) | 1.47 | 0.48 |
| >= College | 113 (76.9%) | 47 (77.1%) | 66 (76.7%) | ||
| Race | |||||
| Non-Hispanic White | 60 (40.8%) | 26 (42.6%) | 34 (39.5%) | ||
| Non-Hispanic Asian | 30 (20.4%) | 11 (18.0%) | 19 (22.1%) | ||
| Non-Hispanic Black | 6 (4.08%) | 3 (4.92%) | 3 (3.49%) | ||
| American Indian/Alaska Native | 1 (0.68%) | 0 (0.00%) | 1 (1.16%) | 3.69 | 0.72 |
| Pacific Islander/Native Hawaiian | 2 (1.36%) | 0 (0.00%) | 2 (2.33%) | ||
| Hispanic | 31 (21.1%) | 12 (19.7%) | 19 (22.1%) | ||
| Other/Multi-race | 17 (11.56%) | 9 (14.75%) | 8 (9.30%) | ||
| Past 30-day substance use | |||||
| Any cigarettes | 145 (98.6%) | 61 (100.0%) | 84 (97.7%) | 1.44 | 0.23 |
| Any e-cigarettes | 47 (32.0%) | 23 (37.7%) | 24 (27.9%) | 1.58 | 0.21 |
| Any alcohol | 136 (92.5%) | 56 (91.8%) | 80 (93.0%) | 0.08 | 0.78 |
| Any cannabis | 96 (65.3%) | 44 (72.1%) | 52 (60.5%) | 2.14 | 0.14 |
| Cigarettes and alcohol | 134 (91.2%) | 56 (91.8%) | 78 (90.7%) | 0.05 | 0.82 |
| Cigarettes and cannabis | 94 (64.0%) | 44 (72.1%) | 50 (58.1%) | 3.03 | 0.08 |
| Alcohol and cannabis | 93 (63.3%) | 43 (70.5%) | 50 (58.1%) | 2.34 | 0.13 |
| All three substances | 91 (61.9%) | 43 (70.5%) | 48 (55.8%) | 3.26 | 0.07 |
| Mental health | |||||
| K6 score, Mean (SD) | 8.65 (5.59) | 9.87 (6.10) | 7.78 (5.05) | −2.27 | 0.03 |