Table 4:
Multiple Mediation Analysis
| B | SE | Bootstrapped 95% CI | ||
|---|---|---|---|---|
| Lower | Upper | |||
|
| ||||
| Total effect (Delirium Severity → Behaviors) | 1.071* | .182 | .621 | 1.336 |
|
| ||||
| Direct effect (Delirium Severity → Behaviors) | .582* | .207 | .130 | .946 |
|
| ||||
| Physical Function | ||||
|
| ||||
| a-path (Delirium severity → Physical Function) | −4.169* | .742 | −5.707 | −2.661 |
|
| ||||
| b-path (Physical Function → Behaviors) | 0.021* | .186 | −.041 | −.001 |
|
| ||||
| Indirect effect (ab) | .089* | .046 | .008 | .193 |
|
| ||||
| Cognitive Function | ||||
|
| ||||
| a-path (Delirium severity → Cognitive Function) | −1.948* | .171 | −2.213 | −1.667 |
|
| ||||
| b-path (Cognitive Function → Behaviors) | −.093* | .042 | −.186 | −.023 |
|
| ||||
| Indirect effect (ab) | .181* | .094 | .002 | .371 |
|
| ||||
| Pain | ||||
|
| ||||
| a-path (Delirium severity → Pain) | .300* | .039 | .205 | .408 |
|
| ||||
| b-path (Pain → Behaviors) | .111 | .186 | −.309 | .578 |
|
| ||||
| Indirect effect (ab) | .033 | .069 | −.093 | .185 |
|
| ||||
| Physical Restraints | ||||
|
| ||||
| a-path (Delirium severity → Physical Restraints) | .013* | .004 | .003 | .027 |
|
| ||||
| b-path (Physical Restraints → Behaviors) | −.778 | 1.714 | −3.618 | 2.170 |
|
| ||||
| Indirect effect (ab) | −.010 | .022 | −.067 | .023 |
|
| ||||
| Total Medications | ||||
|
| ||||
| a-path (Delirium severity → Total Medications) | −.365* | .178 | −.706 | −.016 |
|
| ||||
| b-path (Total Medications → Behaviors) | .017 | .041 | −.073 | .118 |
|
| ||||
| Indirect effect (ab) | −.006 | .019 | −.055 | .025 |
|
| ||||
| Antipsychotics | ||||
|
| ||||
| a-path (Delirium severity → Antipsychotics) | .041* | .008 | .019 | .063 |
|
| ||||
| b-path (Antipsychotics → Behaviors) | 4.173* | .897 | 2.055 | 6.350 |
|
| ||||
| Indirect effect (ab) | .170* | .065 | .067 | .332 |
*
Estimates do not include zero in the 95% confidence interval.