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Table 1 Characteristics of participants performing the exercise protocol and age matched-patients with LBP.

From: Self-reported pain and disability outcomes from an endogenous model of muscular back pain

  Healthy participants (n = 52) Patients with LBP[26](n = 33)
Variable Median Range Median Range
Age (years) 23 18, 32 24 18, 32
Sex (% female) 31 60% 22 66%
Race/Ethnicity     
   White 42 81% 25 76%
   African American 5 10% 5 15%
   Asian 4 8% 1 3%
   Native American 0 0% 0 0%
   Hawaiian/Pacific Islander 1 2% 1 3%
   More than one race 8   -  
Pain intensity 16 0, 63 50 0, 70
Disability 4 0, 30 28 0, 74
Fear of pain (FPQ-III) 74.7 30, 110 -  
Kinesiophobia (TSK) 18.5 11, 26 -