biostudies-literatureButner JEAssistant Secretary of Defense for Health AffairsU.S. Department of Defense; U.S. Army Medical Research and Materiel Command; Congressionally Directed Medical Research ProgramsNational Institutes of Health; National Institute of Mental HealthNIMH NIH HHSU.S. Department of DefenseNational Institutes of Health793-801https://www.ebi.ac.uk/biostudies/studies/S-EPMC8567212biostudies-literatureUnknown13(7)<h4>Objective</h4>Failing to account for temporal dynamics can hinder our understanding of suicidal ideation and the potential mechanisms underlying increased risk for suicide death and suicide attempts associated with posttraumatic stress disorder (PTSD). To address these limitations, this study used an analytic approach based on Dynamical Systems Theory to describe temporal patterns associated with multiple dimensions of suicidal ideation in a treatment-seeking sample of military personnel diagnosed with PTSD.<h4>Method</h4>We performed a secondary analysis of archived data from 742 active-duty military personnel (90% male, 57% white, mean age = 33 ± 7.4 years) enrolled in three clinical trials to examine the dimensional measurement properties of the first 5 items of the Scale for SuicidPsychological trauma : theory, research, practice and policyTemporal-dimensional examination of the Scale for Suicidal Ideation in a cohort of service members in treatment for PTSD.PMC8567212R01MH117600 ;W81XWH08-02-0109; W81XWH-08-02-0111; W81XWH-08-02-0114; W81XWH-08-02-0116W81XWH-18-2-0022R01 MH117600Brown LABryan CJHale WJYarvis JSLitz BTYoung-McCaughan SFina BAMintz JButner JEFoa EBPeterson ALTabares JVResick PAfalseTemporal-dimensional examination of the Scale for Suicidal Ideation in a cohort of service members in treatment for PTSD.<h4>Objective</h4>Failing to account for temporal dynamics can hinder our understanding of suicidal ideation and the potential mechanisms underlying increased risk for suicide death and suicide attempts associated with posttraumatic stress disorder (PTSD). To address these limitations, this study used an analytic approach based on Dynamical Systems Theory to describe temporal patterns associated with multiple dimensions of suicidal ideation in a treatment-seeking sample of military personnel diagnosed with PTSD.<h4>Method</h4>We performed a secondary analysis of archived data from 742 active-duty military personnel (90% male, 57% white, mean age = 33 ± 7.4 years) enrolled in three clinical trials to examine the dimensional measurement properties of the first 5 items of the Scale for Suicid2021-01-01T00:00:00Z2021 Oct2026-05-31T02:13:14.419Z2025-02-19T01:22:17.298ZS-EPMC85672123472356710.1037/tra0001030