{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T01:11:18Z","timestamp":1784769078228,"version":"3.55.0"},"reference-count":40,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T00:00:00Z","timestamp":1750377600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Traumatic Stress"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Mobile health applications (apps) are increasingly used to reduce mental health problems. However, few effective apps are available for bereaved adults. Recently, a randomized controlled trial demonstrated the short\u2010term beneficial effects of access to the My Grief app in mitigating symptoms of prolonged grief and posttraumatic stress in bereaved parents. The present study examined the long\u2010term outcomes of app access and their predictors in a longitudinal survey of participants who had access to the My Grief app. We assessed symptoms of prolonged grief (PG\u201013), posttraumatic stress (PCL\u20105), and depressive symptoms (PHQ\u20109) at 3\u2010, 6\u2010, and 12\u2010month follow\u2010up assessments. Potential predictors of symptom change included baseline symptom levels, sociodemographic and loss\u2010related variables, rumination (UGRS), negative grief\u2010related cognitions (GCQ\u2010SF), avoidance processes (DAAPGQ), and self\u2010reported app use reported at each follow\u2010up. Significant small\u2010to\u2010moderate reductions in prolonged grief, posttraumatic stress, and depressive symptoms were observed in people with app access at most follow\u2010ups,\n                    <jats:italic>ds<\/jats:italic>\n                    = 0.26\u20130.66. For each symptom type, more severe baseline symptoms significantly predicted larger symptom reductions,\n                    <jats:italic>B<\/jats:italic>\n                    s = 0.37\u20130.55. Lower baseline negative grief\u2010related cognitions significantly predicted larger 3\u2010month prolonged grief,\n                    <jats:italic>B<\/jats:italic>\n                    = \u22120.15, and posttraumatic stress symptom reductions,\n                    <jats:italic>B<\/jats:italic>\n                    = \u22120.23. Lower baseline anxious avoidance significantly predicted larger 3\u2010month depressive symptom reductions,\n                    <jats:italic>B<\/jats:italic>\n                    = \u22120.23. Self\u2010reported app use did not significantly predict symptom changes. Participants with access to the My Grief app experienced decreased symptom levels over a 1\u2010year period. Specific cognitive behavioral processes (avoidance, negative cognitions) appear to be implicated in the short\u2010term effects of app access.\n                  <\/jats:p>","DOI":"10.1002\/jts.23181","type":"journal-article","created":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T03:01:34Z","timestamp":1750388494000},"page":"952-962","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A 1\u2010year follow\u2010up of the My Grief app for prolonged grief"],"prefix":"10.1002","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6109-2274","authenticated-orcid":false,"given":"Maarten C.","family":"Eisma","sequence":"first","affiliation":[{"name":"Department of Clinical Psychology and Experimental Psychopathology University of Groningen  Groningen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lara O.","family":"Schmitt","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology and Experimental Psychopathology University of Groningen  Groningen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9396-9800","authenticated-orcid":false,"given":"Rakel","family":"Eklund","sequence":"additional","affiliation":[{"name":"Department of Women's and Children's Health Uppsala University, Uppsala University Hospital  Uppsala Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1317-2093","authenticated-orcid":false,"given":"Filip K.","family":"Arnberg","sequence":"additional","affiliation":[{"name":"National Centre for Disaster Psychiatry, Department of Medical Sciences Uppsala University, Uppsala University Hospital  Uppsala Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4125-4739","authenticated-orcid":false,"given":"Paul A.","family":"Boelen","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology Utrecht University  Utrecht the Netherlands"},{"name":"ARQ National Psychotrauma Centre  Diemen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5523-8126","authenticated-orcid":false,"given":"Josefin","family":"Sveen","sequence":"additional","affiliation":[{"name":"Department of Women's and Children's Health Uppsala University, Uppsala University Hospital  Uppsala Sweden"},{"name":"Centre for Crisis Psychology University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,6,20]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"crossref","unstructured":"American Psychiatric Association. 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