Table 2.
Factors associated with the awareness of IQOS (‘I Quit Ordinary Smoking’) among adult smokers (n = 3219).
| Variable | % | Univariate Estimate | Adjusted Estimates | ||
|---|---|---|---|---|---|
| OR | (95% CI) | AOR | (95% CI) | ||
| Gender | |||||
| Female | 16 | Ref | Ref | ||
| Male | 18 | 1.20 1 | (1.00–1.45) | 1.12 | (0.91–1.39) |
| Age | |||||
| 18–29 | 17 | Ref | Ref | ||
| 30–39 | 23 | 1.48 3 | (1.20–1.84) | 1.40 2 | (1.09–1.80) |
| 40–49 | 14 | 0.80 | (0.61–1.08) | 1.00 | (0.72–1.40) |
| >50 | 10 | 0.58 2 | (0.42–0.79) | 1.18 | (0.81–1.72) |
| Education | |||||
| Less than high school | 8 | Ref | Ref | ||
| High school graduate | 14 | 1.82 2 | (1.16–2.86) | 1.63 1 | (1.00–2.65) |
| Some college | 15 | 1.92 2 | (1.20–3.08) | 1.45 | (0.87–2.43) |
| College degree or higher | 24 | 3.65 3 | (2.35–5.67) | 1.85 1 | (1.12–3.07) |
| Household income | |||||
| Less than 8000 MXN monthly | 15 | Ref | Ref | ||
| 8001 to 15,000 MXN monthly | 14 | 0.96 | (0.73–1.25) | 0.75 | (0.55–1.02) |
| 15,001 to 20,000 MXN monthly | 20 | 1.45 | (1.09–1.93) | 1.05 | (0.75–1.47) |
| >20,000 MXN monthly | 22 | 1.62 3 | (1.25–2.09) | 1.05 | (0.76–1.46) |
| Don’t know | 5 | 0.30 3 | (0.14–0.63) | 0.46 1 | (0.21–0.99) |
| Data collection | |||||
| Wave 1 | 19 | Ref | Ref | ||
| Wave 2 | 15 | 0.82 2 | (0.65–1.00) | 0.95 | (0.75–1.21) |
| Wave 3 | 16 | 0.86 | (0.68–1.09) | 0.90 | (0.69–1.17) |
| Tobacco product use | |||||
| Exclusive conventional smoker | 10 | Ref | Ref | ||
| Dual sporadic user | 29 | 3.68 3 | (2.96–4.57) | 1.60 2 | (1.22–2.10) |
| Dual frequent user | 33 | 4.61 3 | (3.60–5.90) | 1.99 3 | (1.48–2.69) |
| Cigarette consumption | |||||
| Non-daily | 15 | Ref | Ref | ||
| Daily ≤ 5 cigarettes | 17 | 1.16 | (0.92–1.47) | 1.12 | (0.86–1.46) |
| Daily > 5 cigarettes | 21 | 1.49 3 | (1.20–1.85) | 1.31 1 | (1.00–1.69) |
| Flavor capsule use | |||||
| No | 14 | Ref | Ref | ||
| Yes | 19 | 1.54 3 | (1.26–1.87) | 0.99 | (0.80–1.25) |
| Recent quit attempt | |||||
| No | 14 | Ref | Ref | ||
| Yes | 22 | 1.75 3 | (1.46–2.11) | 1.43 2 | (1.15–1.81) |
| Plan to quit | |||||
| Sometime in the future | 15 | Ref | Ref | ||
| In the next six months | 20 | 1.42 3 | (1.18–1.71) | 1.01 | (0.81–1.28) |
| E-cigarette ads on Internet | |||||
| No | 9 | Ref | Ref | ||
| Yes | 26 | 3.35 3 | (2.75–4.09) | 1.64 3 | (1.30–2.06) |
| E-cigarette ads by email | |||||
| No | 12 | Ref | Ref | ||
| Yes | 44 | 5.64 3 | (4.55–6.98) | 2.93 3 | (2.29–3.74) |
| Binge drinking | |||||
| No | 16 | Ref | Ref | ||
| Yes | 22 | 1.57 3 | (1.28–1.92) | 1.01 | (0.80–1.28) |
| Marijuana use in the last month | |||||
| None | 14 | Ref | Ref | ||
| Once | 26 | 2.12 3 | (1.62–2.78) | 1.28 | (0.93–1.75) |
| More than once | 29 | 2.58 3 | (2.02–3.28) | 1.34 1 | (1.01–1.78) |
| Friends smokes | |||||
| No | 9 | Ref | Ref | ||
| Yes | 19 | 2.42 3 | (1.75–3.33) | 1.49 1 | (1.05–2.14) |
| Friends use e-cigarettes | |||||
| No | 10 | Ref | Ref | ||
| Yes | 29 | 3.94 3 | (3.2–4.77) | 1.57 3 | (1.22–2.01) |
| Family smokes | |||||
| No | 12 | Ref | Ref | ||
| Yes | 20 | 1.84 3 | (1.50–2.25) | 1.33 1 | (1.04–1.69) |
| Family uses e-cigarettes | |||||
| No | 13 | Ref | Ref | ||
| Yes | 32 | 3.17 3 | (2.60–3.85) | 1.28 | (0.99–1.66) |
Significant values in bold: 1 p-value, p < 0.05; 2 p-value, p < 0.01; 3 p-value, p < 0.001.