Fig 3. Standardized Pain Anxiety Symptoms Scale (PASS-20) subscale means with respect to different interference groups.
A = activity low, affective high; B = activity high, affective high; C = activity low, affective low; D = activity high, affective low. Asterisks denote significant group differences: * = P < 0.05; ** = P < 0.01; *** = P < 0.001. Box plot whiskers represent 95% confidence intervals.