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Sample size assumptions.
| Raw numbers | Scenario 1, n | Scenario 2, n | Scenario 3, n |
| Sample size | 1452 | 1452 | 1700 |
| Self-reported abstinence at 6 months postquit date | 348 | 479 | 561 |
| Response to biochemical validation | 314 | 307 | 287 |
| Validated nonsmoker | 282 | 245 | 287 |
