TABLE 2.
Association Between E-Cigarette Use at Initial Assessment in 2014 and Subsequent Cigarette Use at Follow-up in 2015
| Cigarette Use at Follow-up (2015) | ||||
|---|---|---|---|---|
| No | Yes | |||
| n (%) | n (%) | OR (95% CI)a | OR (95% CI)b | |
| E-cigarette use at initial assessment (2014) | ||||
| No | 136 (89.5) | 16 (10.5) | Ref | |
| Yes | 87 (59.6) | 59 (40.4) | 6.17 (3.30–11.6)* | 5.48 (2.69–11.2)* |
a
Adjusted for gender, ethnicity, grade and highest parental education.
b
Additionally adjusted for use of hookah, cigar, or pipe at initial evaluation.
*
P < .005.