June 2025
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4 Reads
Clinical Journal of Pain
Objectives The current study investigated the concurrent impact of anxiety and pain catastrophizing on both pain-related impairment (i.e., functional disability, pain-intensity) and on pain-related psychological treatment outcomes in youth with FAPD. Method This is a secondary analysis of data from a psychological treatment study (Aim to Decrease Anxiety and Pain Treatment; ADAPT) for youth with FAPD. Participants completed six weeks of ADAPT (psychological intervention) and treatment as usual or treatment as usual alone. Regressions and analysis of covariance models examined the relationship between baseline pain catastrophizing and anxiety on baseline functional disability and pain intensity, while analysis of covariance models assessed the effect of these baseline psychological factors on pain-related outcomes at post-assessment (8 weeks later) while accounting for group assignment. The effects of ADAPT on post-assessment pain catastrophizing and anxiety, as well as their moderating effects on pain-related outcomes were also explored. Results Results indicated that baseline pain catastrophizing, but not anxiety, predicted baseline functional disability and pain intensity, as well as post-assessment functional disability. Participants in the ADAPT group also demonstrated significantly lower pain catastrophizing at post-assessment. However, there were no moderating effects of post-assessment pain catastrophizing or anxiety on pain-related outcomes. Discussion Findings suggest that assessment of pain catastrophizing is important to better understand pain-related impairment in FAPD.