“…The current study is a secondary analysis of a clinical dataset that has been used in a prior publication; 29 however, the focus of the current study was largely nonoverlapping with this prior publication, which focused on cross-sectional associations between PTSD symptomatology and pain outcomes. Data were drawn from Pain-Tracker, 28,43 an Internet-based platform for patientreported outcomes utilized at the University of Washington Center for Pain Relief, a tertiary care pain management center. PainTracker combines a collection of validated instruments commonly used in chronic pain (eg, the Patient Health Questionnaire-9, Generalized Anxiety-7 questionnaire, and Oswestry Disability Index) and other measures to assess pain intensity, psychological distress, pain-related difficulties in sleep initiation and maintenance, physical disability, along with other outcomes.…”