RecruitingPhase 2Behavioural interventionACT1VATE: Addressing Emotional Distress to Improve Outcomes Among Diverse Adults With Type 1 DiabetesThis research will compare a psychological intervention ("ACT1VATE") versus diabetes self-management education and support (DSME/S; usual care) in improving clinical, behavioral, psychosocial, process, and cost outcomes among adults with poorly controlled type 1 diabetes (T1D) who are experiencing significant diabetes-related emotional distress and poor glycemic control in a real world, healthcare environment.