Table 5.
Odds Ratios (95% Confidence Interval) of Complaint on Memory Questionnaire Item Based Upon Sleep Components and Covariates
| Memory compliant items | ||||||
|---|---|---|---|---|---|---|
| Person’s name | Telephone/zip codes | Objects | Specific facts | Purchasing items | Memory now vs. past | |
| PSQI components | ||||||
| Sleep quality | 0.80 (0.48–1.35) | 1.00 (0.59–1.69) | 1.26 (0.77–2.04) | 0.95 (0.55–1.63) | 1.37 (0.79–2.39) | 1.26 (0.81–1.96) |
| Sleep latency | 1.21 (0.82–1.77) | 1.24 (0.83–1.85) | 1.62 (1.11–2.37)* | 1.29 (0.84–1.97) | 1.13 (0.74–1.73) | 1.24 (0.88–1.75) |
| Sleep duration | 1.35 (0.96–1.90) | 1.28 (0.90–1.83) | 1.28 (0.91–1.80) | 1.30 (0.90–1.89) | 1.36 (0.94–1.98) | 1.41 (1.04–1.91)* |
| Sleep efficiency | 0.97 (0.75–1.26) | 0.84 (0.65–1.10) | 1.10 (0.82–1.48) | 1.19 (0.85–1.68) | 1.01 (0.74–1.36) | 0.87 (0.69–1.10) |
| Sleep disturbances | 1.28 (0.65–2.48) | 0.78 (0.38–1.58) | 0.57 (0.29–1.12) | 1.14 (0.56–2.31) | 0.77 (0.36–1.67) | 0.71 (0.39–1.30) |
| Sleep medicine | 0.61 (0.36–1.06) | 0.72 (0.44–1.18) | 1.03 (0.72–1.48) | 1.12 (0.77–1.62) | 0.68 (0.39–1.18) | 0.88 (0.62–1.23) |
| Daytime dysfunction | 1.24 (0.89–1.73) | 1.09 (0.76–1.55) | 0.94 (0.67–1.32) | 1.18 (0.82–1.68) | 1.05 (0.72–1.53) | 1.29 (0.97–1.72) |
| Covariates | ||||||
| Age | 1.01 (0.97–1.04) | 1.00 (0.96–1.03) | 1.01 (0.97–1.04) | 1.00 (0.96–1.03) | 1.02 (0.98–1.06) | 1.02 (0.99–1.06) |
| Sex | 0.40 (0.20–0.78)** | 0.58 (0.28–1.19) | 1.36 (0.63–2.92) | 0.47 (0.22–1.03) | 0.43 (0.21–0.91)* | 0.89 (0.46–1.72) |
| Education | 1.04 (0.93–1.16) | 0.99 (0.88–1.12) | 0.92 (0.81–1.04) | 1.07 (0.94–1.21) | 0.95 (0.84–1.09) | 1.02 (0.92–1.14) |
| CES-D | 0.94 (0.87–1.02) | 0.99 (0.91–1.07) | 0.98 (0.91–1.05) | 1.00 (0.92–1.07) | 0.93 (0.85–1.02) | 0.97 (0.91–1.03) |
| LC | 1.03 (1.00–1.06) | 1.02 (0.99–1.05) | 1.04 (1.01–1.07)* | 1.04 (1.00–1.07)* | 1.03 (1.00–1.07)* | 1.02 (0.99–1.04) |
| PSS | 1.02 (0.97–1.07) | 1.05 (0.99–1.11) | 1.06 (1.01–1.12)* | 1.05 (1.00–1.12) | 1.06 (1.01–1.13)* | 1.07 (1.02–1.12)** |
| MMSE | 0.84 (0.75–0.94)** | 0.89 (0.80–0.99)* | 0.92 (0.83–1.02) | 0.89 (0.79–0.99)* | 0.87 (0.77–0.97)* | 0.88 (0.80–0.96)** |
Note: CES-D = Center for Epidemiological Studies Depression Scale; LC = Locus of Control Scale; PSS = Perceived Stress Scale; MMSE = Mini-Mental State Examination; PSQI = Pittsburgh Sleep Quality Index.
*p < .05. **p < .0
1.