Perseverative Thinking about Suicide Questionnaire (PTSQ): Validation of a new measure to assess suicide-specific rumination

Suicide-specific rumination has been shown to be associated with lifetime suicide attempts as well as suicide intent and might be an important risk factor for the transition from suicidal ideation to suicidal behavior. Based on this background, the wording of the items of an often-used self-report measure assessing core characteristics of rumination was adapted to assess specifically suicide-specific rumination.The entire study sample comprised...