Table 2.
CFST model for two exposures.
| Type | x = 1 z = 1 | x = 0 z = 1 | x = 1 z = 0 | x = 0 z = 0 | Description | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | Doomed | |||||
| 2a | 1 | 1 | 1 | 0 | X causal, Z causal, joint causation by X + Z | |||||
| 3a | 1 | 1 | 0 | 1 | ||||||
| 4 | 1 | 1 | 0 | 0 | Z causal, X ineffective | |||||
| 5a | 1 | 0 | 1 | 1 | ||||||
| 6 | 1 | 0 | 1 | 0 | X causal, Z ineffective | |||||
| 7a | 1 | 0 | 0 | 1 | X preventive, Z preventive, X + Z antagonizes | |||||
| 8a | 1 | 0 | 0 | 0 | X + Z causal | |||||
| 9a | 0 | 1 | 1 | 1 | X + Z preventive | |||||
| 10a | 0 | 1 | 1 | 0 | X causal, Z causal, X + Z antagonizes | |||||
| 11 | 0 | 1 | 0 | 1 | X preventive, Z ineffective | |||||
| 12a | 0 | 1 | 0 | 0 | ||||||
| 13 | 0 | 0 | 1 | 1 | Z preventive, X ineffective | |||||
| 14a | 0 | 0 | 1 | 0 | ||||||
| 15a | 0 | 0 | 0 | 1 | X preventive, Z preventive, joint prevention by X + Z | |||||
| 16 | 0 | 0 | 0 | 0 | Immune | |||||
| Outcomes are given as 0 or 1. aInterdependent types according to Greenland and Poole (1988); noninterdependent types are shaded. See also Miettinen (1982). | ||||||||||