Table 3.
Causal Effect Decomposition of the Relationship between Exposure to the Power Wall and Future Smoking Susceptibility
| Effect type | Effect Decomposition
|
|||
|---|---|---|---|---|
| Effect | Low CI | Up CI | p | |
| Hypothesized mediator: Perceived norms | ||||
| Total effect | 14.3% | 3.4% | 25.2% | 0.01 |
| Average causal mediated effect | 2.1% | 0.1% | 5.4% | 0.04 |
| Average Causal Direct Effect | 12.1% | 1.0% | 22.9% | 0.03 |
|
| ||||
| Hypothesized mediator: Perceived accessibility | ||||
| Total Effect | 13.2% | 2.0% | 24.8% | 0.02 |
| Average Causal Mediated Effect | −0.7% | −3.2% | 1.3% | 0.53 |
| Average Causal Direct Effect | 13.8% | 3.0% | 25.1% | 0.02 |
|
| ||||
| Hypothesized mediator: Time spent at the cashier | ||||
| Total effect | 12.8% | 1.5% | 24.1% | 0.03 |
| Average causal mediated Effect | 0.9% | −1.5% | 3.8% | 0.43 |
| Average causal direct effect | 11.9% | 0.4% | 23.5% | 0.04 |