Table 3.
Hierarchical Linear Regression Analysis for the Association Between MAC-Q Total and Overall Sleep Quality
| Model 1 | Model 2 | |||
|---|---|---|---|---|
| β | SE | β | SE | |
| PSQI Global Score | 0.09 | 0.12 | 0.10 | 0.12 |
| Covariates | ||||
| Age | 0.03 | 0.04 | ||
| Sex | −0.15** | 0.80 | ||
| Education | −0.01 | 0.12 | ||
| CES-D | −0.06 | 0.09 | ||
| LC | 0.17** | 0.03 | ||
| PSS | 0.16* | 0.06 | ||
| MMSE | −0.18** | 0.11 | ||
| R 2 | 0.01 | 0.09 | ||
| ΔR2 | 0.08 | |||
Note: CES-D = Center for Epidemiological Studies Depression Scale; LC = Locus of Control Scale; PSS = Perceived Stress Scale; MMSE = Mini-Mental State Examination; MAC-Q = Memory Complaints Questionnaire; PSQI = Pittsburgh Sleep Quality Index.
*p < .05. **p < .01. MAC-Q represents the Memory Complaint Questionnaire. Model 1 represents the model unadjusted for covariates. Model 2 represents the model adjusted for covariates.