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Summary of odd-numbered β parameters: each parameter denotes the log-odds of smoking in a particular subset where smoking status is observed
| Parameter | Previous (X) | Treatment group (Z) | Observed(R) |
|---|---|---|---|
| β1 | 0 (not smoking) | 1 (treatment) | 1 (yes) |
| β3 | 1 (smoking) | 1 (treatment) | 1 (yes) |
| β5 | 0 (not smoking) | 0 (control) | 1 (yes) |
| β7 | 1 (smoking) | 0 (control) | 1 (yes) |
