Table 3.
Bivariate Associations Between Class Membership and Demographics/Other Substances (n = 2,624)
| Class 1: no/limited use | Class 2: snuff/snus | Class 3: cigarillos/ hookah | Class 4: cigarette smokers | Class 5: poly-users | χ2 (p), df = 4 | |
|---|---|---|---|---|---|---|
| 60% (n = 1,574) | 10% (n = 265) | 10% (n = 269) | 13% (n = 331) | 7% (n = 185) | ||
| Demographics | ||||||
| Sex (% male) | 37% | 86% | 57% | 34% | 89% | 384 (<.0001) |
| Age (≥24) | 53% | 58% | 43% | 50% | 38% | 27.4 (<.0001) |
| Ethnicity (% White) | 89% | 95% | 91% | 86% | 95% | 21.5 (.0002) |
| 4-year college (graduate/student) | 69% | 58% | 71% | 34% | 49% | 153 (<.0001) |
| Other substances | ||||||
| Marijuana: past 30 days | 5% | 16% | 25% | 22% | 49% | 366 (<.0001) |
| Binge: past 2 weeks | 26% | 64% | 48% | 46% | 74% | 303 (<.0001) |