Main and interactive effects of a nonclinical panic attack history and distress tolerance in relation to PTSD symptom severity

▶ Distress Tolerance Scale significantly negatively related to PTSD symptom severity. ▶ Recent history of nonclinical, unexpected panic attacks significantly related to PTSD symptom severity. ▶ Interaction of distress tolerance scale and PTSD symptom severity significantly related to PTSD hyperarousal symptoms.