Table 4.
Factors associated with the interest in trying IQOS among adult smokers (n = 3219).
| Variable | % | Univariate Estimates | Adjusted Estimates | ||
|---|---|---|---|---|---|
| OR | (95% CI) | AOR | (95% CI) | ||
| Awareness | |||||
| No | 75 | Ref | Ref | ||
| Yes | 77 | 1.15 | (0.92–1.42) | 0.79 | (0.62–1.02) |
| Gender | |||||
| Female | 74 | Ref | Ref | ||
| Male | 76 | 1.07 | (0.91–1.26) | 0.97 | (0.81–1.16) |
| Age | |||||
| 18–29 | 74 | Ref | Ref | ||
| 30–39 | 78 | 1.26 1 | (1.03–1.54) | 1.18 | (0.95–1.47) |
| 40–49 | 78 | 1.25 | (0.98–1.58) | 1.26 | (0.97–1.63) |
| >50 | 70 | 0.84 | (0.67–1.05) | 0.97 | (0.75–1.26) |
| Education | |||||
| Less than high school | 67 | Ref | Ref | ||
| High school graduate | 73 | 1.29 | (0.98–1.70) | 1.18 | (0.88–1.58) |
| Some college | 75 | 1.42 1 | (1.05–1.91) | 1.21 | (0.88–1.67) |
| College degree or higher | 80 | 1.89 3 | (1.42–2.51) | 1.28 | (0.93–1.77) |
| Household income | |||||
| Less than 8000 MXN monthly | 69 | Ref | Ref | ||
| 8001 to 15,000 MXN monthly | 75 | 1.35 2 | (1.09–1.68) | 1.17 | (0.94–1.48) |
| 15,001 to 20,000 MXN monthly | 77 | 1.44 2 | (1.12–1.85) | 1.09 | (0.83–1.44) |
| >20,000 MXN at monthly | 81 | 1.86 3 | (1.47–2.34) | 1.37 1 | (1.05–1.79) |
| Don’t know | 64 | 0.77 | (0.54–1.10) | 0.83 | (0.57–1.21) |
| Data collection | |||||
| Wave 1 | 74 | Ref | Ref | ||
| Wave 2 | 76 | 1.11 | (0.92–1.34) | 1.20 | (0.99–1.46) |
| Wave 3 | 74 | 0.98 | (0.80–1.20) | 1.05 | (0.85–1.29) |
| Tobacco product use | |||||
| Exclusive conventional smoker | 71 | Ref | Ref | ||
| Dual sporadic user | 80 | 1.70 3 | (1.38–2.09) | 1.42 2 | (1.10–1.82) |
| Dual frequent user | 87 | 2.67 3 | (1.99–3.59) | 1.90 3 | (1.37–2.64) |
| Cigarette consumption | |||||
| Non-daily | 71 | Ref | Ref | ||
| Daily ≤ 5 cigarettes | 77 | 1.38 2 | (1.12–1.69) | 1.41 2 | (1.13–1.74) |
| Daily > 5 cigarettes | 81 | 1.78 3 | (1.44–2.19) | 1.79 3 | (1.42–2.25) |
| Flavor capsule use | |||||
| No | 73 | Ref | Ref | ||
| Yes | 76 | 1.19 1 | (1.02–1.40) | 1.19 | (1.00–1.42) |
| Recent quit attempt | |||||
| No | 73 | Ref | Ref | ||
| Yes | 77 | 1.23 1 | (1.05–1.45) | 1.22 1 | (1.01–1.48) |
| Plan to quit | |||||
| Sometime in the future | 75 | Ref | Ref | ||
| In the next six months | 76 | 1.07 | (0.90–1.26) | 0.95 | (0.78–1.15) |
| E-cigarette ads on Internet | |||||
| No | 70 | Ref | Ref | ||
| Yes | 81 | 1.84 3 | (1.56–2.17) | 1.77 3 | (1.47–2.15) |
| E-cigarette ads by email | |||||
| No | 75 | Ref | Ref | ||
| Yes | 75 | 0.97 | (0.78–1.22) | 0.62 3 | (0.48–0.81) |
| Binge drinking | |||||
| No | 73 | Ref | Ref | ||
| Yes | 82 | 1.76 3 | (1.43–2.17) | 1.54 3 | (1.24–1.92) |
| Marijuana use in the last month | |||||
| None | 75 | Ref | Ref | ||
| Once | 70 | 0.76 1 | (0.59–0.98) | 0.65 2 | (0.50–0.86) |
| More than once | 78 | 1.16 | (0.90–1.49) | 0.89 | (0.67–1.18) |
| Friends smokes | |||||
| No | 68 | Ref | Ref | ||
| Yes | 76 | 1.52 3 | (1.24–1.87) | 1.21 | (0.97–1.50) |
| Friends use e-cigarettes | |||||
| No | 71 | Ref | Ref | ||
| Yes | 82 | 1.81 3 | (1.52–2.15) | 1.35 2 | (1.08–1.68) |
| Family smokes | |||||
| No | 75 | Ref | Ref | ||
| Yes | 75 | 1.00 | (0.85–1.18) | 0.99 | (0.82–1.18) |
| Family uses e-cigarettes | |||||
| No | 74 | Ref | Ref | ||
| Yes | 78 | 1.23 1 | (1.02–1.50) | 0.82 | (0.64–1.04) |
Significant values in bold: 1 p-value, p < 0.05 2 p-value, p < 0.01; 3 p-value, p < 0.001.