Table 4.
Scenario | Product terms in mediator and outcome models | θ3 | β3 | θ5 | θ6 | |
---|---|---|---|---|---|---|
| ||||||
1 | A×M in outcome model | {0, 0.5, 0.8} | 0 | 0 | 0 | |
2 | A×M in outcome model, A×C in mediator model | 0.5 | {0.1, 0.4, 0.7} | 0 | 0 | |
3 | A×M in outcome model, A×C in mediator model, A×C in outcome model | 0.5 | 0.2 | {0.2, 0.5, 0.8} | 0 | |
4 | A×M in outcome model, A×C in mediator model, A×C in outcome model, M×C in outcome model | 0.5 | 0.2 | 0.3 | {0.3, 0.6, 0.9} |
Coefficients.
θ3: A×M causal interaction in outcome model
β3: A×C effect measure modification in mediator model
θ5: A×C effect measure modification in outcome model
θ6: M×C effect measure modification in outcome model