Table 3.
Differential Association of E-cigarette Use (or Alcohol use) with Initiation of Alcohol (or E-cigarette Use) at Subsequent 6-Month Follow-up by Gender.
| Males |
Females |
||||||
|---|---|---|---|---|---|---|---|
| Initiation of Other Product at Subsequent 6 Month Follow-up |
Initiation of Other Product at Subsequent 6 Month Follow-up |
||||||
| No N (%) |
Yes N (%) |
Odds Ratio (95 % CI)a | No N (%) |
Yes N (%) |
Odds Ratio (95 % CI)a | P-value Interaction | |
| Ever use of E-Cigarettes | |||||||
| No | 4795 (91.5) | 447 (8.5) | Ref | 4929 (88.8) | 622 (11.2) | Ref | 0.04 |
| Yes | 206 (68.4) | 95 (31.6) | 4.94 (3.78, 6.45) | 143 (70.4) | 60 (29.6) | 3.21 (2.33, 4.41) | |
| Ever use of Alcohol | |||||||
| No | 5177 (94.4) | 305 (5.6) | Ref | 6165 (95.7) | 276 (4.3) | Ref | 0.91 |
| Yes | 546 (83.5) | 108 (16.5) | 3.87 (3.03, 4.96) | 1225 (86.3) | 195 (13.7) | 3.94 (3.23, 4.82) | |
a
Model adjusted for age, gender, race/ethnicity, highest parental education, school, wave and history of any tobacco product use.