Table 4.
Correlations between demographic, personality disorder features, and insomnia indices.
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Age | - | ||||||||||||||||||
| 2. Sex | −.16 | - | |||||||||||||||||
| 3. Health | .03 | −.18 | - | ||||||||||||||||
| 4. AvPD | −.23† | .09 | −.29* | - | |||||||||||||||
| 5. OCPD | −.15 | −.03 | −.32* | .22† | - | ||||||||||||||
| 6. DPD | −.03 | .05 | −.30* | .56† | .37* | - | |||||||||||||
| 7. SchtypPD | −.14 | .07 | −.25† | .45* | .20 | .36* | - | ||||||||||||
| 8. SchPD | .11 | .04 | −.19 | .30* | .28† | .47* | .16 | - | |||||||||||
| 9. ISI | −.22* | .02 | −.16 | .32* | .27† | .26† | .38* | .41* | - | ||||||||||
| 10. IIS | −.19 | .16 | −.39* | .42* | .42* | .29* | .27† | .29* | .51* | - | |||||||||
| 11. FSS | −.11 | .16 | −.46* | .28* | .37* | .31* | .24* | .21 | .43* | .66* | - | ||||||||
| 12. TST-D | −.17 | .14 | .16 | .13 | −.13 | .19 | .04 | .07 | .09 | .02 | .05 | - | |||||||
| 13. SE-D | −.24† | .15 | .13 | .14 | −.11 | .21 | .08 | .02 | .06 | .03 | .12 | .96* | - | ||||||
| 14. SOL-D | .28† | −.23† | −.03 | −.09 | .08 | −.07 | −.19 | .06 | −.11 | −.05 | −.18 | −.64* | −.71* | - | |||||
| 15. WASO-D | .15 | −.13 | −.18 | −.16 | .14 | −.28† | −.03 | −.14 | .01 | −.01 | −.07 | −.81* | −.84* | .43* | - | ||||
| 16. TST-s | .02 | −.03 | −.04 | .17 | −.05 | .06 | .04 | −.01 | .09 | .09 | −.12 | .04 | .03 | .04 | .08 | - | |||
| 17. SE-s | .11 | .02 | −.06 | .13 | .02 | .06 | .03 | .03 | .11 | .13 | −.05 | .02 | −.01 | .15 | −.03 | .79* | - | ||
| 18. SOL-s | .03 | .02 | .09 | −.09 | −.06 | −.06 | −.15 | −.07 | −.19 | −.06 | −.06 | −.06 | −.09 | .02 | .09 | −.14 | −.51* | - | |
| 19. WASO-s | −.11 | −.01 | .04 | .01 | −.10 | .05 | .04 | .03 | .12 | .03 | .16 | .18 | .24† | −.29† | −.19 | −.50* | −.65* | .04 | - |
Note. Health refers to general health status as measured by the SF-36; AvPD refers to avoidant personality disorder; OCPD refers to obsessive compulsive personality disorder; DPD refers to dependent personality disorder; SchtypPD refers to schizotypal personality disorder; SchPD refers to schizoid personality disorder; ISI refers to insomnia severity index; IIS refers to insomnia impact scale; FSS refers to fatigue severity scale; TST refers to total sleep time; SE refers to sleep efficiency; SOL refers to sleep-onset latency; WASO refers to wake after sleep onset; -D refers the discrepancy between polysomnography and self-reported wake after sleep onset; -s refers to self-reported from two-week sleep diaries.
p <.05,
p <.01