Table 2.
Results from a multinomial logistic regression predicting single or repeat e-cigarette purchase among consistent smokers and binary logistic regression predicting smoking cessation
| Single E-cigarette Use | Repeat E-cigarette Use | Smoking Cessation | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||
| CI | CI | CI | ||||||||||
| Variables | OR | Lower | Upper | p | OR | Lower | Upper | p | OR | Lower | Upper | p |
| Sociodemographics | ||||||||||||
| Age | 0.98 | 0.96 | 1.00 | 0.099 | 1.01 | 0.99 | 1.03 | 0.400 | 0.98 | 0.97 | 0.99 | 0.001 |
| Black (vs. other) | 1.21 | 0.64 | 2.26 | 0.559 | 0.52 | 0.24 | 1.16 | 0.109 | 0.75 | 0.51 | 1.08 | 0.122 |
| Hispanic (vs. non) | 1.40 | 0.55 | 3.59 | 0.479 | 1.47 | 0.65 | 3.31 | 0.358 | 0.83 | 0.48 | 1.44 | 0.505 |
| Single female household (vs. multiple) | 1.41 | 0.85 | 2.34 | 0.187 | 1.34 | 0.84 | 2.15 | 0.224 | 0.79 | 0.59 | 1.05 | 0.106 |
| Single male household (vs. multiple) | 1.82 | 1.01 | 3.26 | 0.046 | 0.98 | 0.51 | 1.90 | 0.962 | 0.93 | 0.63 | 1.37 | 0.695 |
| Income | 1.00 | 1.00 | 1.01 | 0.490 | 1.01 | 1.00 | 1.01 | 0.142 | 1.00 | 1.00 | 1.00 | 0.999 |
| State Tobacco Control Environment | ||||||||||||
| % CDC control funding | 1.00 | 0.99 | 1.02 | 0.578 | 1.01 | 1.00 | 1.02 | 0.152 | 1.00 | 0.99 | 1.01 | 0.867 |
| Cigarette tax | 1.00 | 0.73 | 1.38 | 0.997 | 1.40 | 1.05 | 1.86 | 0.022 | 1.08 | 0.92 | 1.28 | 0.334 |
| Smoke-free policy index | 0.75 | 0.32 | 1.71 | 0.488 | 0.39 | 0.18 | 0.83 | 0.014 | 1.41 | 0.88 | 2.26 | 0.160 |
| Smoking Characteristics | ||||||||||||
| Menthol | 1.01 | 0.67 | 1.52 | 0.963 | 1.11 | 0.76 | 1.61 | 0.602 | 0.98 | 0.78 | 1.23 | 0.832 |
| 20-Pack price | 0.92 | 0.76 | 1.11 | 0.381 | 0.80 | 0.67 | 0.96 | 0.017 | 0.97 | 0.88 | 1.07 | 0.501 |
| Monthly cigarette volume | 1.00 | 1.00 | 1.00 | 0.042 | 1.00 | 1.00 | 1.00 | 0.081 | 1.00 | 1.00 | 1.00 | <.0001 |
| Purchase frequency | 1.00 | 0.99 | 1.02 | 0.429 | 0.98 | 0.96 | 1.00 | 0.017 | 1.02 | 1.02 | 1.03 | <.0001 |
| Recency | 1.00 | 0.99 | 1.01 | 0.980 | 1.00 | 1.00 | 1.01 | 0.470 | 1.01 | 1.00 | 1.01 | 0.001 |
| NRT Purchase (vs. never) | ||||||||||||
| Single | 1.30 | 0.62 | 2.74 | 0.490 | 1.48 | 0.77 | 2.84 | 0.235 | -- | -- | -- | -- |
| Repeat | 1.45 | 0.74 | 2.84 | 0.283 | 1.45 | 0.80 | 2.65 | 0.224 | -- | -- | -- | -- |
| E-cigarette purchases (vs. never) | ||||||||||||
| Single, 2011 | -- | -- | -- | -- | -- | -- | -- | -- | 4.36 | 1.26 | 15.07 | 0.020 |
| Repeat, 2011 | -- | -- | -- | -- | -- | -- | -- | -- | 1.54 | 0.48 | 4.92 | 0.464 |
| Single, 2012–13 | -- | -- | -- | -- | -- | -- | -- | -- | 0.66 | 0.36 | 1.20 | 0.176 |
| Repeat, 2012–13 | -- | -- | -- | -- | -- | -- | -- | -- | 1.77 | 1.14 | 2.75 | 0.011 |
| NRT purchases (vs. never) | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| Single, 2011 | -- | -- | -- | -- | -- | -- | -- | -- | 4.36 | 1.26 | 15.07 | 0.020 |
| Repeat, 2011 | -- | -- | -- | -- | -- | -- | -- | -- | 1.54 | 0.48 | 4.92 | 0.464 |
| Single, 2012–13 | -- | -- | -- | -- | -- | -- | -- | -- | 0.66 | 0.36 | 1.20 | 0.176 |
| Repeat, 2012–2013 | -- | -- | -- | -- | -- | -- | -- | -- | 2.10 | 1.23 | 3.60 | 0.007 |