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. Author manuscript; available in PMC: 2019 Jul 8.
Published in final edited form as: J Clin Psychiatry. 2017 Jun;78(6):e678–e687. doi: 10.4088/JCP.16m11193

Table 3.

Model Statistics for Hierarchical Linear Regression Analyses

t β (95% CI) P Value Model Statistics
Actigraphy Sleep Measures
Regression 1: T2 BSS R2=0.69
F(7,49)=13.36
P≤0.001
  Block 1:
    T1 BSS 7.43 0.78 (0.47 to 0.83) <0.01b
    BDI-II −0.41 −0.04 (−0.14 to 0.09) 0.67
  Block 2:
    SE −0.18 −0.03 (−0.38 to 0.31) 0.85
    WASO −0.56 −0.09 (−0.15 to 0.08) 0.57
    SoL 0.85 0.08 (−0.07 to 0.19) 0.39
    TST 0.84 0.12 (−0.01 to 0.03) 0.40
    SV 3.18 0.28 (0.13 to 0.58) <0.01b
Regression 2: T3 BSS R2=0.55
F(7,48)=16.36
P≤0.001
  Block 1:
    T1 BSS 5.28 0.67 (0.37 to 0.84) <0.01b
    BDI-II 0.44 0.05 (−0.12 to 0.18) 0.66
  Block 2:
    SE 1.27 0.32 (−0.17 to 0.75) 0.21
    WASO 0.68 0.13 (−0.10 to 0.21) 0.49
    SoL 0.67 0.08 (−0.11 to 0.23) 0.50
    TST −0.58 −0.10 (−0.03 to 0.02) 0.56
    SV 2.46 0.27 (0.06 to 0.66) 0.01a
Subjective Sleep Measures
Regression 1: T2 BSS R2=0.69
F(4,49)=25.22
P≤0.001
  Block 1:
    T1 BSS 8.41 0.81 (0.51 to 0.83) <0.01b
    BDI-II −1.46 −0.16 (−0.20 to 0.03) 0.15
  Block 2:
    T2 ISI 2.04 0.18 (0.00 to 0.40) 0.04a
    T2 DDNSI 2.49 0.22 (0.03 to 0.33) 0.01a
Regression 2: T3 BSS  R2=0.59
F(4,48)=16.36
P≤0.001
  Block 1:
    T1 BSS 4.62 0.52 (0.26 to 0.67) <0.01b
    BDI-II −0.38 −0.04 (−0.16 to 0.11) 0.70
  Block 2:
    T3 ISI 3.10 0.32 (0.11 to 0.52) <0.01b
    T3 DDNSI 2.19 0.22 (0.01 to 0.37) 0.03a
Exploratory Mood Measures
Regression 1: T2 BSS R2=0.66
F(3,49)=30.91
P≤0.001
  Block 1:
    T1 BSS 7.48 0.73 (0.44 to 0.77) <0.01b
    BDI-II −0.73 −0.07 (−0.15 to 0.07) 0.46
  Block 2: VAS-MV 2.80 0.26 (0.12 to 0.76) <0.01b
Regression 2: T3 BSS R2=0.49
F(3,48)=14.48
P≤0.001
  Block 1:
    T1 BSS 4.90 0.60 (0.31 to 0.76) <0.01b
    BDI-II 0.26 0.03 (−0.13 to 0.17) 0.79
  Block 2: VAS-MV 1.59 0.18 (−0.09 to 0.78) 0.11
Regression 3: VAS-MV R2=0.38
F(6,48)=4.37
P=0.002
  Block 1: BDI-II 2.48 0.32 (0.01 to 0.18) 0.01a
  Block 2:
    SE 0.46 0.13 (−0.22 to 0.35) 0.64
    WASO −0.04 −0.01 (−0.10 to 0.09) 0.96
    SoL 2.35 0.33 (0.01 to 0.24) 0.02a
    TST −0.19 −0.03 (−0.02 to 0.01) 0.84
    SV 2.79 0.35 (0.07 to 0.44) <0.01b
Regression 4: VAS-MV R2=0.21
F(3,49)=4.24
P=.010
  Block 1: BDI-II 2.20 0.32 (0.00 to 0.20) 0.03a
  Block 2:
    T2 ISI 1.29 0.18 (−0.06 to 0.30) 0.20
    T2 DDNSI 0.46 0.06 (−0.10 to 0.17) 0.64
Post-Hoc Analyses
Regression 1: T2 BSS R2=0.70
F(4,48)=25.86
P<0.001
  Block 1:
    T1 BSS 8.51 0.81 (0.51 to 0.83) <0.01b
    BDI-II −0.28 −0.02 (−0.12 to 0.09) 0.77
  Block 2:
    SV Onset 2.79 0.41 (0.26 to 1.61) <0.01b
    SV Offset −0.91 −0.13 (−1.07 to 0.40) 0.36
Regression 2: T3 BSS R2=0.53
F(4,48)=12.73
P<0.001
  Block 1:
    T1 BSS 5.52 0.66 (0.37 to 0.80) <0.01b
    BDI-II 0.45 0.05 (−0.11 to 0.17) 0.65
  Block 2:
    SV Onset 1.74 0.32 (−0.12 to 1.70) 0.08
    SV Offset −0.30 −0.05 (−1.15 to 0.85) 0.76
Comparison of Predictors: T2 BSS R2=0.69
F(4,48)=25.41
P<.001
  Block 1: BDI-II 7.91 0.76 (0.47 to 0.79) <0.01b
  Block 2:
    SV 2.22 0.20 (0.02 to 0.48) 0.03a
    VAS-MV 1.73 0.17 (−0.04 to 0.63) 0.09
    BDI-II −0 88 −0.08 (−0.15 to 0.06) 0.38

Abbreviations: SE, Sleep Efficiency; WASO, Wake After Sleep Onset; SoL, Sleep Onset Latency; TST, Total Sleep Time; SV, Sleep Variability; BDI-II, Beck Depression Inventory; BSS, Beck Scale for Suicidal Ideation; ISI, Insomnia Severity Index; DDNSI, Disturbing Dreams and Nightmare Severity Index; VAS-MV, Visual Analog Scale-Mood Variability

Note.

a

= P < .05

b

= P < .01