Table 5.
Weighted Logistic Regression Results for Young Adults (n = 2,219)
| Ever used e-cigarettes (Model 1: Positive Expectancies) aOR (95% CI) |
Ever used e-cigarettes (Model 2: Negative Expectancies) aOR (95% CI) |
Ever used e-cigarettes (Model 3: Both Expectancies) aOR (95% CI) |
||
|---|---|---|---|---|
| Demographics | ||||
| Age | 0.92 (0.85 – 1.00)* | 0.87 (0.81 – 0.94)* | 0.92 (0.85 – 1.00)* | |
| Sex | ||||
| Female | REF | REF | ||
| Male | 1.06 (0.75 – 1.50) | 1.27 (0.92 – 1.77) | 1.14 (0.80 – 1.62) | |
| Race | ||||
| White | REF | REF | ||
| Black | 0.80 (0.44 – 1.45) | 0.71 (0.43 – 1.17) | 0.68 (0.38 – 1.19) | |
| Asian/Pacific Islander | 1.07 (0.52 – 2.19) | 1.38 (0.70 – 2.72) | 1.02 (0.52 – 1.98) | |
| Other or Mixed race | 1.09 (0.65 – 1.83) | 1.00 (0.59 – 1.70) | 0.97 (0.58 – 1.62) | |
| Hispanic | ||||
| No | REF | REF | ||
| Yes | 0.67 (0.42 – 1.08) | 0.70 (0.44 – 1.12) | 0.66 (0.41 – 1.07) | |
| Mother graduated crollege | ||||
| No | REF | REF | ||
| Yes | 0.75 (0.50 – 1.14) | 0.83 (0.54 – 1.25) | 0.75 (0.49 – 1.15) | |
| Father graduated college | ||||
| No | REF | REF | ||
| Yes | 0.60 (0.39 – 0.94)* | 0.55 (0.35 – 0.85)* | 0.59 (0.36 – 0.90)* | |
| Tobacco use | ||||
| Ever used cigarettes | 3.86 (2.62 – 5.67)*** | 5.07 (3.53 – 7.28)*** | 3.86 (2.62 – 5.67)*** | |
| Ever used waterpipe | 3.55 (2.34 – 5.39)*** | 4.63 (3.14 – 6.82)*** | 3.55 (2.34 – 5.39)*** | |
| Ever used cigarillos | 1.65 (1.10 – 2.49)*** | 2.26 (1.52 – 3.38)*** | 1.65 (1.10 – 2.49)* | |
| Outcome expectancies | ||||
| Enjoyment | 3.41 (2.52 – 4.63)*** | - | 3.08 (2.25 – 4.22)*** | |
| Social influences | 0.78 (0.57 – 1.08) | - | 0.87 (0.63 – 1.20) | |
| Adv. over cigarettes | 1.00 (0.79 – 1.27) | - | 1.00 (0.78 – 1.28) | |
| Health concerns | - | 0.57 (0.46 – 0.70)*** | 0.70 (0.53 – 0.88)** | |
| Smoker association | - | 0.91 (0.71 – 1.15) | 0.73 (0.55 – 0.96)* |
Note. aOR = adjusted odds ratio. CI = confidence interval. REF= reference group.
*
p < .05,
**
p < .01,
***
p < .001.