Table 2. Correlations between Demographic Variables and Continuous Measures (N = 114).
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age (1) | ||||||||||||
| EDU (2) | .02 | |||||||||||
| CES-D (3) | -.07 | -.01 | ||||||||||
| N (4) | -.13 | -.04 | .63** | |||||||||
| C (5) | -.03 | .09 | -.39*** | -.37*** | ||||||||
| SE (6) | .06 | -.21* | .27** | -.17 | .06 | |||||||
| SL (7) | -.05 | -.15 | .45*** | .46*** | -.19* | .41*** | ||||||
| SDur (8) | .04 | -.11 | .21* | .14 | .01 | .55*** | .30** | |||||
| SDis (9) | .05 | -.10 | .34*** | .28** | -.13 | .43*** | .40*** | .29** | ||||
| SQ (10) | -.12 | -.14 | .39*** | .29** | -.01 | .47*** | .55*** | .46*** | .53*** | |||
| Med (11) | .07 | .02 | .08 | .20* | -.07 | .03 | .17 | .08 | .18 | .15 | ||
| DDys (12) | .08 | .03 | .35*** | .17 | -.32** | .13 | .20* | .21* | .42*** | .21* | .11 | |
| PSQI (13) | .02 | -.17 | .47*** | .38*** | -.13 | .72*** | .71*** | .69*** | .69*** | .78*** | .34*** | .47*** |
Notes. EDU = Years of Education; CES-D = Center for Epidemiologic Studies Depression Scale; N = Neuroticism; E = Extraversion; O = Openness; A = Agreeableness; C = Conscientiousness; SE = Sleep efficiency; SL = Sleep latency; SDur = Sleep duration; SDis = Sleep disturbance; SQ = Subjective sleep quality; Med = Use of sleep medication; DDys = Daytime Dysfunction; PSQI = PSQI global score.
* p < .05
** p < .01
*** p < .001.