{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T07:13:34Z","timestamp":1771485214670,"version":"3.50.1"},"reference-count":51,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T00:00:00Z","timestamp":1771459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002842","name":"Chiang Mai University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002842","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Public Health"],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Motorcycle crashes remain a significant public health concern in Thailand, particularly among young adults who frequently engage in risky riding. Cognitive justifications\u2014termed risk-legitimizing beliefs (RLBs)\u2014may normalize unsafe behaviors, whereas borderline personality disorder (BPD) symptoms could intensify such tendencies. This study examined whether BPD symptoms moderate the association between RLBs and risky motorcycle riding.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>A cross-sectional online survey was conducted among 247 university student motorcyclists in Northern Thailand. Participants completed validated Thai versions of the Motorcycle Rider Behavior Questionnaire (MRBQ), a 13-item RLBs scale, and the Screening Instrument for Borderline Personality Disorder (SI-Bord).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Approximately 23.5% of the participants scored above the SI-Bord cut-off (&amp;gt;7), indicating that clinically relevant BPD symptoms were relatively common in this sample. Hierarchical regression analyses tested whether BPD symptoms moderate the association between RLBs and risky riding, adjusting for demographic and behavioral covariates. Both RLBs (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f0.246,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f&amp;lt;\u202f0.001) and BPD symptoms (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f0.293,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f&amp;lt;\u202f0.001) independently predicted higher risky riding, and their interaction was significant (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u202f=\u202f0.212,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f&amp;lt;\u202f0.001). The complete model explained 38.1% of the variance.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Cognitive rationalizations and personality vulnerability jointly contribute to unsafe motorcycle riding. Preventive efforts should identify riders with elevated BPD symptoms and combine belief modification, emotion-regulation training, and peer-norm interventions to reduce motorcycle-related risks among young adults, especially in low- and middle-income settings.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpubh.2026.1759240","type":"journal-article","created":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T06:41:42Z","timestamp":1771483302000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Borderline personality disorder symptoms moderate the effect of risk-legitimizing beliefs on risky motorcycle riding among Thai university students"],"prefix":"10.3389","volume":"14","author":[{"given":"Xu","family":"Quan","sequence":"first","affiliation":[{"name":"Mental Health Program, Multidisciplinary and Interdisciplinary School (MIdS), Chiang Mai University","place":["Chiang Mai, Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chawisa","family":"Suradom","sequence":"additional","affiliation":[{"name":"Mental Health Program, Multidisciplinary and Interdisciplinary School (MIdS), Chiang Mai University","place":["Chiang Mai, Thailand"]},{"name":"Department of Psychiatry, Faculty of Medicine, Chiang Mai University","place":["Chiang Mai, Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tinakon","family":"Wongpakaran","sequence":"additional","affiliation":[{"name":"Mental Health Program, Multidisciplinary and Interdisciplinary School (MIdS), Chiang Mai University","place":["Chiang Mai, Thailand"]},{"name":"Department of Psychiatry, Faculty of Medicine, Chiang Mai University","place":["Chiang Mai, Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Justin","family":"DeMaranville","sequence":"additional","affiliation":[{"name":"Mental Health Program, Multidisciplinary and Interdisciplinary School (MIdS), Chiang Mai University","place":["Chiang Mai, Thailand"]},{"name":"Department of Psychiatry, Faculty of Medicine, Chiang Mai University","place":["Chiang Mai, Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2026,2,19]]},"reference":[{"key":"ref1","volume-title":"Global status report on road safety 2023","year":"2023"},{"key":"ref2","year":"2024"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"e456","DOI":"10.1016\/S2468-2667(25)00069-6","article-title":"The epidemiology and burden of injury in countries of the Association of Southeast Asian Nations (ASEAN), 1990\u20132021: findings from the global burden of disease study 2021","volume":"10","author":"van der Lubbe","year":"2025","journal-title":"Lancet Public Health"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"85","DOI":"10.1016\/j.copsyc.2015.03.012","article-title":"Risk perceptions and health 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