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. 2020 May 20;22(5):e18537. doi: 10.2196/18537

Table 1.

Patient sample characteristics (N=81).

Characteristics Values
Age (years), mean (SD) 43.84 (15)
Female sex, n (%) 24 (30)
Taking opioids at baseline, n (%) 14 (17)
Baseline Brief Pain Inventory (BPI) score, mean (SD)

BPI current 6.17 (2.1)

BPI worst 8.61 (2.2)

BPI least 3.02 (2.4)

BPI mean 6.12 (1.8)

BPI interference 6.22 (2.4)
Patient-Reported Outcomes Measurement Information System score, mean (SD)

Anxiety (score range 7-35) 19.13 (6.2)

Depression (score range 8-40) 17.38 (7.5)

Sleep Disturbance (score range 8-40) 29.22 (6.4)
Somatization (Brief Symptom Inventory; score range 0-35), mean (SD) 12.61 (4.0)
Perceived Stress Scale (score range 0-40) 18.83 (3.5)
Pain Catastrophizing Scale (score range 0-52), mean (SD)

Rumination 8.35 (4.7)

Magnification 3.28 (2.5)

Helplessness 10.48 (6.4)

Total 22.11 (12.5)