Psychological interventions have reliable but modest effects on chronic pain outcomes, but our understanding of the mechanisms that underlie these effects remains limited. This paper presents the findings from a series of secondary analyses using data from a randomized clinical trial (clinicalTrials.gov, NCT02653664). Three hundred and twenty-eight Veterans of the US Armed Forces with chronic...
Clinical trials often focus on symptom reduction as a primary outcome, overlooking positive psychology factors of potential importance although many individuals can and do live well with pain. The Patient-Reported Outcomes Measurement Information System (PROMIS) Psychosocial Illness Impact-Positive (PIIP) scale assesses perceptions of adaptive psychosocial functioning (e.g., coping and...
To examine the impact of three behavioral interventions for chronic pain on substance use. Participants were 328 Veterans with chronic pain receiving care at one of two Veterans Affairs Medical Centers in the northwest United States. Participants were randomly assigned to one of three 8-week manualized in-person group treatments: (a) hypnosis (HYP), (b) mindfulness meditation (MM), or (c)...