TY - T1 - Long-Term Outcomes of a Therapist-Supported, Smartphone-Based Intervention for Elevated Symptoms of Depression and Anxiety : Quasiexperimental, Pre-Postintervention Study SN - / UR - http://hdl.handle.net/10138/319383 T3 - A1 - Economides, Marcos; Ranta, Kristian; Nazander, Albert; Hilgert, Outi; Goldin, Philippe R.; Raevuori, Anu; Forman-Hoffman, Valerie A2 - PB - Y1 - 2019 LA - eng AB - Background: Depression is one of the most common mental health disorders and severely impacts one's physical, psychological, and social functioning. To address access barriers to care, we developed Ascend-a smartphone-delivered, therapist-supported, 8-week intervention based on several evidence-based psychological treatments for depression and anxiety. A previous feasibility study with 102 adults with elevated depression reported that Ascend is associated with a postintervention reduction in dep... VO - IS - SP - OP - KW - digital health; depression; anxiety; mindfulness; CBT; online intervention; smartphone intervention; COGNITIVE-BEHAVIORAL THERAPY; MENTAL-HEALTH INTERVENTIONS; PSYCHOLOGICAL TREATMENTS; METAANALYSIS; DISORDER; VALIDATION; RELAPSE; PHQ-9; PSYCHOTHERAPY; PREVENTION; 3142 Public health care science, environmental and occupational health N1 - PP - ER -