Table 3.
Insomnia Severity as Predictors of Posttest Interpersonal Connection
| Dependent Variable | Step | F(df) | R2 | Predictor / Covariates |
b (SE) |
t | β |
Partial r2 |
p |
|---|---|---|---|---|---|---|---|---|---|
|
Perceived Burdensomeness |
1 | 185.58(2)** | .85 |
Insomnia Symptoms |
.24 (.05) |
4.35 | .22 | .22 | <.001 |
| INQ-PB | - | - | Pretest PB | .90 (.06) |
16.29 | .82 | .80 | <.001 | |
| 2 | 139.06(3)** | .86 |
Insomnia Symptoms |
.19 (.05) |
3.57 | .18 | .16 | .001 | |
| - | - | Pretest PB | .86 (.06) |
15.58 | .78 | .79 |
<.001 | ||
| - | - | Social Anxiety Symptoms |
.11 (.04) |
2.81 | .15 | .11 | .007 | ||
| 3 | 105.48(4)** | .87 |
Insomnia Symptoms |
.26 (.08) |
3.42 | .24 | .15 | .001 | |
| - | - | Pretest PB | .90 (.06) |
14.30 | .82 | .76 | <.001 | ||
| - | - | Social Anxiety Symptoms |
.11 (.04) |
2.94 | .15 | .12 | .003 | ||
| - | - | Depression Symptoms |
−.06 (.05) |
−1.23 | −.10 | .02 | .223 | ||
|
Desires for Emotional Support |
1 | 128.40(2)** | .79 |
Insomnia Symptoms |
−.16 (.06) |
−2.53 | −.14 | .09 | .014 |
| IOS-ES | - | - | Pretest DES | .95 (.06) |
15.34 | .86 | .78 | <.001 | |
| 2 | 84.38(3)** | .79 |
Insomnia Symptoms |
−.16 (.07) |
−2.24 | −.14 | .07 | .029 | |
| - | - | Pretest DES | .95 (.06) |
15.09 | .86 | .77 | <.001 | ||
| - | - | Social Anxiety Symptoms |
−.01 (.05) |
−.20 | −.01 | <.001 | .844 | ||
| 3 | 62.51(4)** | .79 |
Insomnia Symptoms |
−.19 (.10) |
−1.86 | −.16 | .05 | .068 | |
| - | - | Pretest DES | .97 (.07) |
13.76 | .87 | .74 | <.001 | ||
| - | - | Social Anxiety Symptoms |
−.02 (.05) |
−.31 | −.02 | .002 | .755 | ||
| - | - | Depression Symptoms |
.02 (.06) |
.39 | .04 | .002 | .695 | ||
|
Thwarted Belongingness |
1 | 120.68(2)** | .78 |
Insomnia Symptoms |
.18 (.16) |
1.10 | .08 | .02 | .274 |
| INQ-TB | - | - | Pretest TB | .86 (.07) |
11.78 | .84 | .67 | <.001 | |
| 2 | 79.26(3)** | .79 |
Insomnia Symptoms |
.18 (.17) |
1.08 | .08 | .02 | .286 | |
| - | - | Pretest TB | .86 (.08) |
10.98 | .83 | .65 | <.001 | ||
| - | - | Social Anxiety Symptoms |
.01 (.110) |
.08 | .005 | <.001 | .938 | ||
| 3 | 66.38(4)** | .80 |
Insomnia Symptoms |
−.11 (.19) |
−.57 | −.05 | .005 | .569 | |
| - | - | Pretest TB | .77 (.08) |
9.20 | .74 | .57 | <.001 | ||
| - | - | Social Anxiety Symptoms |
−.02 (.10) |
−.18 | −.01 | <.001 | .858 | ||
| - | Depression Symptoms |
.31 (.12) |
2.61 | .25 | .09 | .011 | |||
Note.
**
<.001. In all analyses, main predictor was insomnia symptom severity (Insomnia Severity Index). Baseline measures, social anxiety symptoms (Brief Fear of Negative Evaluation Scale-Straightforward), and depression symptoms (Beck Depression Inventory) were included as covariates. INQ-PB = Interpersonal Needs Questionnaire - 15, Perceived burdensomeness scale. INQ-TB = Interpersonal Needs Questionnaire - 15, Thwarted belongingness scale. IOS-ES = Interpersonal Orientation Scale, Desire for Emotional Support.