Table 1.
Descriptive statistics and attrition analysis.
| Complete cases (n = 3597)a | Incomplete cases (n = 1062)b | Statistical analysisc | |
|---|---|---|---|
| Marketing exposure (mean; SD) | 1.54 (1.53) | 1.73 (1.61) | t(4657) = 3.56; p = .004 |
| Age (mean; SD) | 20.0 (1.79) | 20.2 (1.87) | t(4657) = 3.24; p = .056 |
| Sex | χ2 (1,N = 4656) = 0.02; p = .875 | ||
| Male | 31.9% | 32.2% | |
| Female | 68.1% | 67.8% | |
| Race/Ethnicity | χ2 (4, N = 4, 656) = 47.59; p < .001 Cramer’s V = 0.10 |
||
| Non-Hispanic White | 34.4% | 33.5% | |
| Hispanic/Latino | 29.9% | 35.7% | |
| African American | 8.0% | 10.8% | |
| Asian American | 20.4% | 12.1% | |
| Otherd | 7.4% | 7.9% | |
| Other tobacco usee | χ2 (1,N = 4, 659) = 24.51; p < .001 Phi coefficient = 0.07 |
||
| No | 76.9% | 69.5% | |
| Yes | 23.1% | 30.5% |
a
Full sample of eligible participants.
b
Subsample of non-susceptible, never smokeless tobacco users.
c
T-test and chi-square analyses.
d
Participants that reported race/ethnicity of American Indian/Alaska Native, Native Hawaiian/Pacific Islander, or any other race/ethnicity were categorized as “Other”.
e
Any use of conventional cigarettes, electronic cigarettes, hookah, large cigars, little filtered cigars, or cigarillos in the past 30-days.