Table 4:
Predictors of Worse Sleep Quality (PSQI)
| PSQI (linear) | Coefficient (Bivariate) | 95% CI | Beta weight | Coefficient (Multivariate) | 95% CI | Beta weight |
|---|---|---|---|---|---|---|
| BIVARIATE MODEL | MULTIVARIATE MODEL | |||||
| Demoaraphics | ||||||
| Age | 0.01 | −0.05–0.08 | 0.04 | 0.04 | −0.03–0.11 | 0.09 |
| Male gender | 0.26 | −1.1–1.6 | 0.03 | 0.34 | −1.1–1.7 | 0.04 |
| White race | 0.21 | −1.1–1.6 | 0.02 | −0.45 | −1.99–1.1 | −0.05 |
| College education or higher | 0.38 | −1.0–1.8 | 0.04 | 0.50 | −0.90–1.9 | 0.06 |
| Any current employment | −2.1 | −4.4–0.27 | −0.14 | −2.56 | −4.9–0.19 | −0.17 |
| History of homelessness | 1.5 | 0.11–2.9 | 0.17 | 0.29 | −1.3–1.8 | 0.03 |
| Methadone dose | 0.01 | −0.01–0.04 | 0.10 | |||
| BMI | 0.02 | −0.08–0.13 | 0.03 | |||
| Pain | ||||||
| History of chronic pain | 2.28 | 0.90–3.7 | 0.25 | |||
| Current Chronic Pain | 2.0 | 0.72–3.3 | 0.24 | |||
| Sleep interference | 0.49 | 0.29–0.70 | 0.38 | 0.40 | 0.18–0.62 | 0.31 |
| Use of additional pain medications | 0.67 | −1.54–2.88 | 0.05 | |||
| Psvchiatric | ||||||
| BSI somatization | 3.4 | 2.2–4.6 | 0.40 | 2.2 | 075–3.6 | 0.26 |
| BSI Anxiety | 2.6 | 1.3–3.9 | 0.30 | |||
| BSI Depression | 2.1 | 0.74–3.4 | 0.24 | |||
| Global severity index | 2.5 | 1.2–3.8 | 0.29 | |||
| TMT-A | 0.03 | −0.02–0.07 | 0.09 | |||
| TMT-B | −0.01 | −0.02–0.01 | −0.08 | |||
| Perceived stress | 0.21 | 0.10–0.32 | 0.29 | |||
| Social isolation | 0.11 | 0.04–0.17 | 0.24 | |||
| Sexual desire scale | −0.01 | −0.03–0.03 | −0.02 | |||
| Sieeoiness | ||||||
| Epworth Scale | 0.12 | 0.02–0.23 | 0.18 | −0.02 | −0.13–0.08 | −0.04 |
*
PSQI = Pittsburgh Sleep Quality Index
*
ESS = Epworth Sleepiness Scale
*
Italics only indicate p < 0.1 in bivariate model, but not significant when included in multivariable model.
*
Bold italics indicate p < 0.1 in bivariate model and p < 0.05 in multivariable model