Table 2.
Bivariate Correlations between Sleep Characteristics and Diabetes-Related Outcomes
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Sleep Variability | -- | ||||||||||
| 2. Total Sleep Time | .04 | -- | |||||||||
| 3. PSQI | .10 | −.14 | -- | ||||||||
| 4. HbA1c | .34** | −.10 | −.03 | -- | |||||||
| 5. % Within Range | −.26* | .08 | −.07 | −.55*** | -- | ||||||
| 6. Average Glucose | .30* | −.02 | .00 | .71*** | −.64*** | -- | |||||
| 7. BGM | −.27* | .08 | −.22 | −.45*** | .21 | −.42*** | -- | ||||
| 8. P-SCI | −.05 | .12 | −.10 | −.38** | .22 | −.38** | .19 | -- | |||
| 9. A-SCI | −.05 | .08 | −.23 | −.37** | .17 | −.19 | .53*** | .39** | -- | ||
| 10. Diabetes Duration | .02 | −.23 | .25 | .35** | −.22 | .10 | −.22 | −.23 | −.45*** | -- | |
| 11. Age | −.15 | −.41*** | .06 | −.18 | .13 | −.27* | −.11 | −.09 | −.08 | .10 | -- |
Abbreviations: PSQI = Pittsburgh Sleep Quality Index; BGM = Blood Glucose Monitoring (average checks per day); P-SCI = Parent report of Self-Care Inventory; A-SCI = Adolescent report of Self-Care Inventory.
*
= P <.05
**
= P <.01
***
= P <.001.