Table 2.
Prevalence of ever use and past-30-day use of tobacco among undergraduate cohorts during the fall semesters 2016 and 2018, Columbus, Ohio a
| Item | Cohort 1 | Cohort 2 | |
|---|---|---|---|
| First-year students in 2016 | Third-year students in 2018 | First-year students in 2018 | |
| Ever use | |||
| E-cigarettes | 18.5 | 49.0 b | 42.6 c |
| Cigarettes | 12.3 | 22.9 b | 9.5 |
| Cigars | 25.8 | 30.7 b | 18.0 c |
| Cigarillos | 17.2 | 23.7 b | 11.3 c |
| Smokeless tobacco | 8.9 | 12.1 b | 4.7 c |
| Hookah | 17.6 | 26.0 b | 12.1 c |
| Dual/poly use | 25.7 | 43.6 b | 25.9 |
| Past-30-day use | |||
| E-cigarettes | 7.4 | 32.6 b | 34.5 c |
| Cigarettes | 6.6 | 8.2 b | 4.1 |
| Cigars | 11.6 | 5.4 b | 6.5 c |
| Cigarillos | 9.3 | 5.2 b | 5.9 b |
| Smokeless tobacco | 3.4 | 4.6 b | 2.0 |
| Hookah | 5.5 | 4.9 | 4.4 |
| Dual/poly use | 10.8 | 16.8 b | 13.1 |
Abbreviation: e-cigarette, electronic cigarette.
Tobacco 21 is a policy that raises the minimum legal age for selling tobacco to 21. Data were collected by the study team via online surveys. When enrolled in 2016, there were 529 students in Cohort 1; there were 388 students in Cohort 1 by the 2018 follow-up. When enrolled in 2018, there were 611 students in Cohort 2.
Significant difference in use prevalence between 2016 and 2018. Determined by McNemar test; P < .05 considered significant.
Significant difference in use prevalence between 2016 first-year students (Cohort 1) and 2018 first-year students (Cohort 2), determined by Pearson χ2 test; P < .05 considered significant.