Instruments and procedures
pain
BLIND
Participants were assessed for age, gender, number of years of formal education, weight, height, and pain duration at baseline. In addition, participants were assessed for pain intensity and frequency, disability, catastrophizing, fear of movement, fear-avoidance beliefs, tactile acuity, and pressure pain threshold, both at baseline and post-intervention as detailed below. The person who assessed participants also administered the intervention and, therefore, was not blind to the participant’s group allocation.