Conditional logit regressions of tobacco/nicotine product choice for two DCEs
| Coefficient estimate (SE) | |||
| First DCE | Second DCE | ||
| Product/device | Cigarettes | 0 | 0 |
| Closed-system e-cigarettes | 0.56 (0.026)** | 0.61 (0.021)** | |
| Open-system e-cigarettes | 0.73 (0.027)** | 0.74 (0.02)** | |
| Heated tobacco products | −0.40 (0.03)** | −0.44 (0.025)** | |
| Flavour | Tobacco | 0 | 0 |
| Menthol | 0.05 (0.023)** | 0.12 (0.018)** | |
| Non-flavoured | −0.09 (0.023)** | −0.11 (0.023)** | |
| Non-TM flavours | 0.14 (0.043)** | NA | |
| Price | Current market price | 0 | 0 |
| 50% higher | −0.22 (0.020)** | −0.28 (0.016)** | |
| Nicotine level | Regular | 0 | 0 |
| Low | −0.11 (0.019)** | −0.07 (0.016)** | |
Boldface indicates statistical significance, with *p<0.05; **p<0.01.
DCE, discrete choice experiment; NA, not applicable.