|
DV
|
Simple Mediating Variable (M)
|
Effect of IV on M (a)
|
Effect of M on DV
|
Direct effect (c′)
|
Total effect (c)
|
Indirect effect
|
Indirect effect 95% BCa CI
|
|---|
|
(b)
|
(a x b)
|
|---|
|
PSQI
|
DERS-Total
|
63.95*
|
0.06*
|
1.41
|
5.13*
|
3.62*
|
[0.15, 6.53]*
|
|
Non-Accept
|
9.23*
|
0.04
|
4.67*
|
0.36
|
[−1.53, 1.87]
|
|
Goals
|
7.61*
|
0.13
|
4.00*
|
1.03
|
[−0.37, 2.40]
|
|
Impulse
|
14.40*
|
0.30*
|
0.68
|
4.35*
|
[1.38, 6.58]*
|
|
Awareness
|
5.93*
|
0.12
|
4.29*
|
0.74
|
[−0.36, 2.00]
|
|
Strategies
|
18.39*
|
0.22*
|
0.97
|
4.06*
|
[1.14, 6.72]*
|
|
Clarity
|
7.86*
|
0.2
|
3.44*
|
1.59
|
[−1.15, 3.90]
|
|
Depression
|
24.97*
|
0.12*
|
2.02
|
3.11*
|
[0.71, 5.32]*
|
|
Anxiety
|
15.40*
|
0.25*
|
1.22
|
3.92*
|
[1.85, 5.69]*
|
|
Stress
|
18.40*
|
0.16*
|
2.17
|
2.97*
|
[0.65, 4.86]*
|
|
ISI
|
DERS-Total
|
63.95*
|
0.10*
|
3.92
|
10.71*
|
6.31
|
[−0.32, 11.45]
|
|
Non-Accept
|
9.23*
|
0.1
|
9.27*
|
0.96
|
[−1.97, 3.49]
|
|
Goals
|
7.61*
|
0.22
|
8.53*
|
1.7
|
[−0.44, 4.36]
|
|
Impulse
|
14.40*
|
0.46*
|
3.54
|
6.69*
|
[2.02, 10.57]*
|
|
Awareness
|
5.93*
|
0.22
|
8.96*
|
1.27
|
[−0.68, 3.42]
|
|
Strategies
|
18.39*
|
0.43*
|
2.24
|
7.99*
|
[2.25, 12.83]*
|
|
Clarity
|
7.86*
|
0.35
|
7.51*
|
2.72
|
[−1.95, 6.62]
|
|
Depression
|
24.97*
|
0.20*
|
5.72*
|
4.99*
|
[0.28, 9.32]*
|
|
Anxiety
|
15.40*
|
0.43*
|
4.17*
|
6.55*
|
[3.27, 9.45]*
|
|
Stress
|
18.40*
|
0.30*
|
5.28*
|
5.43*
|
[1.80, 8.48]*
|
|
Time in Bed
|
DERS-Total
|
62.46*
|
0.56
|
38.47
|
73.48*
|
35
|
[−26.40, 92.22]
|
|
Non-Accept
|
8.66*
|
2.3
|
53.81*
|
19.67
|
[−6.87, 48.20]
|
|
Goals
|
7.40*
|
−0.07
|
73.99*
|
−0.51
|
[−24.43, 26.11]
|
|
Impulse
|
14.10*
|
−0.99
|
87.43*
|
−13.96
|
[−91.20, 45.35]
|
|
Awareness
|
6.08*
|
4.49*
|
46.18*
|
27.30*
|
[5.78, 55.36]*
|
|
Strategies
|
18.08*
|
0.22
|
69.42*
|
4.06
|
[−67.85, 72.05]
|
|
Clarity
|
7.69*
|
2.74
|
52.36*
|
21.12
|
[−25.86, 54.77]
|
|
Bedtime Variability (SD)
|
Depression
|
24.76*
|
0.71
|
17.43
|
34.91*
|
17.48
|
[−13.84, 59.95]
|
|
Anxiety
|
15.05*
|
2.49*
|
−2.57
|
37.48*
|
[2.26, 74.47]*
|
|
Stress
|
17.88*
|
1.75*
|
3.63
|
21.28
|
[−5.29, 72.64]
|
- Note. The independent variable for all analyses was group status (0 = healthy, 1 = BPD). PSQI Pittsburgh Sleep Quality Index. ISI Insomnia Severity Index. DV Dependent variable. IV Independent variable. M Simple mediating variable. SD Standard deviation. *Significant, as indicated by confidence intervals not encompassing zero [36]
