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Table 1 Descriptive characteristics and clinical information for cLBP participants (N = 134)

From: Temporal summation of mechanical pain prospectively predicts movement-evoked pain severity in adults with chronic low back pain

Demographic characteristics Mean (SD) or % Range
Age (years) 45.4 (14.1) 18 to 82
Sex (% female) 56.7%  
Race (% African American) 61.2%  
Annual household income
 $0–19,999 33.8%  
 $20,000 – 34,999 12.5%  
 $35,000 – 49,999 13.2%  
 $50,000 – 74,999 15.4%  
 $75,000 – 99,999 7.4%  
 100,000 and Greater 14.0%  
Clinical characteristics Mean (SD) or %  
Current opioid prescription (% yes) 39.6%  
BMI (weight/height2) 31.1 (7.4) 19.1 to 64.6
Depressive symptoms (CES-D) 17.6 (10.5) 0 to 47
Movement evoked pain (SPPB) 26.4 (27.4) 0 to 100
Physical function (SBBP) 9.5 (1.9) 3 to 12
Pain severity (BPI-SF) 4.7 (2.4) 0 to 9.5
Pain interference (BPI-SF) 3.7 (2.6) 0 to 9.3
  1. BMI body mass index, CES-D Center for Epidemiological Studies – Depression Scale, SPPB Short Physical Performance Battery, BPI-SF Brief Pain Inventory – Short Form