Skip to main content
. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Sleep Med. 2011 Sep 16;12(9):860–865. doi: 10.1016/j.sleep.2011.07.005

Table 2.

Sleep outcomes regressed on attachment anxiety and avoidance with statistical adjustment for demographic and clinical covariates (N =49).

PSQI SE^ TST %STAGE 3+4^ %REM NREM DELTA ACTIVITY^ NREM BETA ACTIVITY^ REM DELTA ACTIVITY^ REM BETA ACTIVITY^

Step 1: ΔR2 .19 .23 .21 .21 .19 .25 .23 .12 .19
β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE)
AGE .10 (.05) .49 (.01)** −.46 (.94)* −.37 (.02)* −.02 (.06) −.47 (.00)* .31 (.003)# .11 (.001) −.30 (.003)#
MARRIED .18 (.98) −.27 (.16)# .24 (20.58)# −.10 (.32) .27 (1.31)# .10 (.01) −.20 (.07) .10 (.02) −.02 (.06)
SEX −.07 (1.50) −.12 (.24) .001 (31.67) .18 (.49) .03 (2.02) .04 (.02) −.24 (.10) −.10 (.03) −.26 (.09)#
MEDICATIONS .17 (.99) −.11 (.16) −.11 (20.97) −.12 (.32) −.08 (1.34) .07 (.01) .08 (.07) −.08 (.02) .33 (.06)*
PTSD
SYMPTOMS
.17 (.03) .13 (.01) −.37 (.63)# .08 (.01) .22 (.04) −.06 (.00) −.24 (.002) −.19 (.001) −.18 (.002)
DEPRESSIVE
SYMPTOMS
.23 (0.7) −.14 (.01) .30 (1.50)# −.17 (.02) .15 (.10) −.26 (.001) .27 (.01) −.05 (.001) .08 (.01)
STEP 2: ΔR2 .05 .00 .00 .18 .06 .13 .13 .13 .09
β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE) β (SE)
ATTACHMENT
ANXIETY
.19 (.44) .01 (.07) .05 (9.42) −.36 (.15)** .25 (.60) −.28 (.01)# .40 (.03)* −.21 (.01) .26 (.03)#
ATTACHMENT
AVOIDANCE
−.21 (.47) .05 (.07) −.07 (9.48) −.17 (.15) .06 (.61) .35 (.01) −.13 (.03) .38 (.01)* −.27 (.03)#

Note:

^

Variable transformed prior to analysis. PSQI= Pittsburgh Sleep Quality Index (higher scores indicate poorer sleep quality); SE= Sleep efficiency. TST= total sleep time.

#

p < .10:

*

p<.05,

**

p<.01.