Table 4.
The concurrent predictors of intention to try e-cigarettes among e-cigarette non-experimenters and by smoking status: Univariate and multivariate models.
| Univariate models OR [95% CI] | Multivariate model# OR [95% CI] | Multivariate model# OR [95% CI] | ||
|---|---|---|---|---|
| Total sample N=468–618 | Total sample N=437 | Smokers N=63 | Nonsmokers N=374 | |
| Health benefits/smoking cessation* | 0.64 [0.50–0.83] | 0.79 [0.54–1.16] | 0.80 [0.39–1.63] | 0.81 [0.51–1.28] |
| Curiosity/taste variety* | 2.40 [1.85–3.12] | 2.61 [1.90–3.59] | 2.07 [1.00–4.27] | 2.57 [1.82–3.64] |
| Perceived social norms* | 0.84 [0.63–1.12] | 0.82 [0.57–1.19] | 0.87 [0.40–1.90] | 0.82 [0.53–1.27] |
| Convenience when cigarette smoking is not possible* | 0.88 [0.67–1.16] | 0.80 [0.57–1.11] | 0.98 [0.56–1.69] | 0.75 [0.47–1.18] |
| Fear or danger of dependence* | 0.53 [0.40–0.69] | 0.64 [0.44–0.92] | 0.76 [0.36–1.61] | 0.60 [0.38–0.93] |
| Chemical hazards of use* | 0.81 [0.63–1.04] | 0.83 [0.61–1.12] | 0.92 [0.56–1.53] | 0.76 [0.52–1.12] |
| Age | 0.98 [0.86–1.11] | 0.99 [0.83–1.18] | 0.85 [0.60–1.22] | 1.07 [0.87–1.32] |
| Gender | ||||
| Males | 0.75 [0.38–1.48] | 1.09 [0.43–2.80] | 2.03 [0.26–16.12] | 0.88 [0.29–2.67] |
| Females | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |
| Current smoking status | ||||
| Daily smokers | 4.52 [2.12–9.75] | 13.70 [4.74–39.47] | N/A | N/A |
| Occasional smokers | 5.80 [2.90–11.60] | 6.66 [2.67–16.58] | ||
| Nonsmokers | 1.00 (Ref.) | 1.00 (Ref.) | ||
| University affiliation | ||||
| Health care | 0.79 [0.47–1.32] | 2.75 [1.31–5.75] | 2.93 [0.85–10.12] | 2.61 [1.03–6.65] |
| Non-health care | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |
| Nagelkerke R2 | N/A | 38.1% | 32.9% | 24.1% |
Note:
Factor scores are used in the model.
OR= odds ratio; 95% CI: 95% confidence interval. Significant ORs are bolded. N/A: Not Applicable.