Table 1.
Sociodemographic and Clinical Variables
| Sociodemographic Variables | n= 95 | |
|---|---|---|
| Age (mean ± SD) | 65.5 ± 7.4 | |
| Female | 57.3% | |
| Married | 72.9% | |
| Education Level (College Degree) | 69.8% | |
| Working Full-Time | 31.3% | |
| Caucasian | 88.5% | |
| African American | 6.3% | |
| Clinical Variables | Scale Score Range | Mean ± SD |
| BPI (Severity) (n=78) | 0–10 | 3.1 ± 1.9 |
| BPI (Interference) (n= 74) | 0–10 | 3.6 ± 2.3 |
| PCS (n=76) | 0–52 | 12.2 ± 10.6 |
| Anxiety (PROMIS) (n= 92) | 4–20 | 13.6 ± 5.2 |
| Depression (PROMIS) (n= 92) | 4–20 | 11.8 ± 9.0 |
| Pain Threshold (n= 87) | 636.4 ± 213.9 | |
| Sleep Quality (PSQI) (n= 76) | 0–3 | 1.0 ± .90 |
| Cortisol 0 min p.a (n=63) | .09–1.55 µg/dL | .19 ± .23 |
| Cortisol 15 min p.a. (n=62) | .26 ± .29 | |
| Cortisol 30 min p.a. (n=62) | .26 ± .27 | |
| Cortisol 4PM (n=61) | .07 ± .08 | |
| Cortisol 9PM (n=62) | ND-.36 µg/dL | .04 ± .03 |
| Cortisol bedtime (n=60) | .06 ± .12 | |
| CAR (n=60)) | .03 ± .09 | |
| AUCG (n= 60 | .13 ± .12 | |
Note: SD: standard deviation; BPI: Brief Pain Inventory; PCS: Pain Catastrophizing Scale; PROMIS: Patient-Reported Outcomes Measurement Information System (T-Score); PSQI: Pittsburgh Sleep Quality Index; p.a.: post awakening; CAR: Cortisol Awakening Response; AUCG: Area under the curve with respect to ground, Total post-awakening cortisol levels