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Experimental design: Products, attributes and levels
| E-cigarette | Cigarette | |
|---|---|---|
| Flavor | Plain tobacco | Plain tobacco |
| Menthol | Menthol | |
| Fruit | ||
| Sweet | ||
| Life years lost by average user | 10 | 10 |
| 5 | ||
| 2 | ||
| Unknown | ||
| Level of nicotine | High | High |
| Medium | Medium | |
| Low | Low | |
| None | ||
| Price | $4.99 | $4.99 |
| $7.99 | $7.99 | |
| $10.99 | $10.99 | |
| $13.99 | $13.99 |
