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Table 5 Hierarchical multiple regression predicting physical function 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 .18 7.18**
 Sex 0.05 0.33 0.01    
 Household Income 0.11 0.04 0.23**    
 Age −0.04 0.01 −0.29**    
 Race 0.51 0.33 0.13    
Step 2 .25 .07 3.90*
 BMI −0.04 0.02 −0.15    
 Current Opioid 0.19 0.33 0.05    
 Depressive Symptoms −0.04 0.02 −0.24**    
Step 3 .29 .04 2.94
 TS Mechanical - 512mN −0.02 0.01 −0.18*    
 CPM −0.00 0.01 −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.