Table 2.
Moderation Effects of Demographic Variables on the Relationship between Delirium Severity and Physical Function (N=351): Coefficients, Standard Errors (SE), and P-Values from a Multiple Linear Regression Model Including Interaction Terms for Delirium Severity and Demographic Characteristics (Age, Sex, and Race)
| Variable | Physical Function | ||
|---|---|---|---|
| B | SE | p | |
| Delirium Severity | −2.14 | 2.43 | 0.03 |
| Age (ref: 65–84 years) | −2.97 | 2.88 | 0.10 |
| Sex (ref: Female) | −0.79 | 2.94 | 0.09 |
| Race (ref: White) | 2.87 | 3.24 | 0.38 |
| Delirium Severity x Age | 2.22 | 1.50 | 0.02 |
| Delirium Severity x Sex | 1.34 | 1.61 | 0.04 |
| Delirium Severity x Race | 0.22 | 1.80 | 0.90 |
| Controls | |||
| Cognition | 1.50 | 0.25 | 0.001 |
| Comorbidities | −0.84 | 0.59 | 0.15 |
| Marital Status (ref: Not Married) | 0.15 | 0.91 | 0.87 |
| Education (ref: ≥High school graduate) | −1.39 | 0.88 | 0.12 |