Table 4.
Correlation Matrix
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Sex | — | ||||||||
| 2. Age | .11 | — | |||||||
| 3. Education | −.18 | −.05 | — | ||||||
| 4. Stop-Bang | .31* | .38** | −.01 | — | |||||
| 5. CES-D | −.08 | .11 | −.40** | −.02 | — | ||||
| 6. Sleep | −.19 | .03 | .32* | −.13 | −0.46** | — | |||
| 7. Sleep onset | .21 | −.07 | −.27 | −.01 | 0.19 | −0.62** | — | ||
| 8. Total sleep | −.34* | .03 | .22 | −.19 | −0.30* | 0.71** | −0.60** | — | |
| 9. Wake after | .11 | .03 | −.25 | .08 | 0.23 | −0.55** | 0.03 | −0.16 | — |
| 10. Overall | .12 | .20 | −.11 | .12 | 0.11 | −0.53** | 0.44** | −0.29* | 0.36* |
*
Note p < 0.05,
**
p < 0.01.
Sex coded 0 = women, 1 = men), education level coded 0 = high school or less, 1 = some college or more, and risk for obstructive sleep apnea (Stop-Bang) coded 0 = low/intermediate risk, 1 = high risk; CES-D = Center for Epidemiological Studies Depression Scale.