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Table 4 Hierarchical multiple regression predicting movement-evoked pain assessed via the Short Physical Performance Battery

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

  B SEB β R2 ΔR2 ΔF
Step 1 .21 8.71**
 Sex −8.03 4.50 −0.15    
 Household Income −2.13 0.55 −0.32**    
 Age 0.24 0.16 0.12    
 Race −7.33 4.57 −0.13    
Step 2 .26 .05 2.51
 BMI 0.24 0.30 0.06    
 Current Opioid −2.82 4.56 −0.05    
 Depressive Symptoms 0.58 0.22 0.22**    
Step 3 .30 .04 3.47*
 TS Mechanical - 512mN 0.28 0.11 0.20*    
 CPM 0.02 0.07 0.02    
  1. BMI body mass index, TS temporal summation, mN milliNewton, CPM conditioned pain modulation
  2. Sex coded: 1 = Male, 2 = Female
  3. Race coded: 1 = Black, 2 = White
  4. * p < 0.05, ** p < 0.01.