{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T15:36:04Z","timestamp":1772120164371,"version":"3.50.1"},"reference-count":75,"publisher":"BMJ","issue":"4","license":[{"start":{"date-parts":[[2025,4,2]],"date-time":"2025-04-02T00:00:00Z","timestamp":1743552000000},"content-version":"unspecified","delay-in-days":1,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001826","name":"ZonMw","doi-asserted-by":"publisher","award":["06360462210004"],"award-info":[{"award-number":["06360462210004"]}],"id":[{"id":"10.13039\/501100001826","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Universiteit Utrecht - Dynamics of Youth"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2025,3,14]]},"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Over 6 million people have fled their homes in response to the full-scale invasion of Russian armed forces into Ukraine and are forcibly displaced since the start on 4 February 2022. Refugees, both adults and children, have a high risk of developing mental health disorders, in particular post-traumatic stress disorder, depression and anxiety disorders. Research into the mental health of Ukrainian families and their needs is urgently needed. The primary aim of this study is to increase our understanding of the consequences of potentially traumatic events for the mental health of parents and children. This may inform the development of mental health and psychosocial support interventions which can be readily implemented in the family context.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and analysis<\/jats:title>\n                    <jats:p>We will conduct a four-wave longitudinal online survey study among Ukrainian families displaced to the Netherlands. This study is a part of the Nadiya data collection, intended to assess the mental health responses of Ukrainian refugee families to the stress of war, forced migration, family separation and adaptation to new circumstances in their hosting country. Participants are assessed at four time points, approximately 6 months apart. Data collection for T1 started in May 2023. We aim to recruit a total of n=1500 participants at T1, of which n=1000 adults (18 years and older) and n=500 children (8\u201311 years) and teenagers (12\u201317 years). To investigate symptom profiles and associated risk and protective factors among parents and children, we will use latent class growth modelling.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ethics and dissemination<\/jats:title>\n                    <jats:p>\n                      The data collection procedure has been approved by the Ethical Committee of the Faculty of Social Sciences of Utrecht University. Data will be deposited, stored and shared using Utrecht University\u2019s institutional research data repository Yoda. This research project is part of the Global Collaboration on Traumatic Stress; all authors are affiliated with this network. The findings will be published in peer-reviewed, open access journals and further disseminated through conference presentations, news updates at the project website and on the websites of the Dutch Society for Traumatic Stress Studies (\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"www.ntvp.nl\">www.ntvp.nl<\/jats:ext-link>\n                      ), and the European Society of Traumatic Stress Studies, as well as through media contributions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial registration number<\/jats:title>\n                    <jats:p>\n                      The current study was registered on 26 March 2024 on The Open Science Framework (OSF):\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/doi.org\/10.17605\/OSF.IO\/9FP7U\">https:\/\/doi.org\/10.17605\/OSF.IO\/9FP7U<\/jats:ext-link>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2024-089849","type":"journal-article","created":{"date-parts":[[2025,4,3]],"date-time":"2025-04-03T02:28:04Z","timestamp":1743647284000},"page":"e089849","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Risk and protective factors for the mental health of displaced Ukrainian families in the Netherlands: study protocol of a 4-year longitudinal study"],"prefix":"10.1136","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6644-382X","authenticated-orcid":false,"given":"Marjolein","family":"Missler","sequence":"first","affiliation":[{"name":"Utrecht University Faculty of Social Sciences, Utrecht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ira","family":"Karaban","sequence":"additional","affiliation":[{"name":"ARQ Centrum\u201945, Diemen, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ksenia","family":"Cheliuskina","sequence":"additional","affiliation":[{"name":"Utrecht University Faculty of Social Sciences, Utrecht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Iryna","family":"Frankova","sequence":"additional","affiliation":[{"name":"ARQ Centrum\u201945, Diemen, The Netherlands"},{"name":"Vrije Universiteit Amsterdam, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natascha","family":"Dobrova-Krol","sequence":"additional","affiliation":[{"name":"ARQ Centrum\u201945, Diemen, The Netherlands"},{"name":"ARQ National Psychotrauma Centre, Diemen, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marit","family":"Sijbrandij","sequence":"additional","affiliation":[{"name":"Vrije Universiteit Amsterdam, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Olff","sequence":"additional","affiliation":[{"name":"ARQ National Psychotrauma Centre, Diemen, The Netherlands"},{"name":"Amsterdam Universitair Medische Centra, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maartje","family":"Schoorl","sequence":"additional","affiliation":[{"name":"LUBEC Treatment Center, Leiden University, Leiden, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M L","family":"Duckers","sequence":"additional","affiliation":[{"name":"IMPACT, Diemen, The Netherlands"},{"name":"Rijksuniversiteit Groningen, Groningen, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Trudy","family":"Mooren","sequence":"additional","affiliation":[{"name":"ARQ Centrum\u201945, Diemen, The Netherlands"},{"name":"Department of Clinical Psychology, Utrecht University, Utrecht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,4,2]]},"reference":[{"key":"2025121605010008000_15.4.e089849.1","unstructured":"United Nations High Commissioner for Refugees . 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