AIM:To validate the first third-person-rated measure assessing combat-related peritraumatic stress symptoms and evaluate its psychometric properties and war-zone applicability.METHODS:The valid assessment of peritraum...AIM:To validate the first third-person-rated measure assessing combat-related peritraumatic stress symptoms and evaluate its psychometric properties and war-zone applicability.METHODS:The valid assessment of peritraumatic symptoms in the theater of military operations represents a significant challenge in combat-related,mental health research,which mainly relies on retrospective,subjective self-report ratings.This longitudinal observational study used data from actively deployed troops to correlate third-person observer ratings of deployment peritraumatic behaviors[Peritraumatic Behavior Questionnaire-Observer Rated(PBQ-OR)]collected on a bimonthly basis with post-deployment(1-wk follow-up)ratings of the previously validated PBQ self-rate version(PBQ-SR),and(3-mo follow-up)clinician assessed and self-report posttraumatic stress disorder(PTSD)symptoms(Clinician Administered PTSD Scale,PTSD Checklist).Cronbach's alpha(α)and correlation coefficients were calculated to assess internal reliability and concurrent validity respectively.RESULTS:Eight hundred and sixty male Marines were included in this study after signing informed consents at pre-deployment(mean age 23.2±2.6 years).Although our findings were limited by an overall sparse return rate of PBQ-OR ratings,the main results indicate satisfactory psychometric properties with good internal consistency for the PBQ-OR(α=0.88)and high convergent and concurrent validity with 1-wk post-deployment PBQSR ratings and 3-mo posttraumatic stress symptoms.Overall,later PBQ-OR report date was associated with higher correlation between PBQ-OR and postdeployment measures.Kappa analysis between PBQOR and PBQ-SR single items,showed best agreement in questions relating of mortal peril,desire for revenge,and experience of intense physical reactions.Logistic regression demonstrated satisfactory predictive validity of PBQ-OR total score with respect to PTSD caseness(OR=1.0513;95%CI:1.011-1.093;P=0.02).CONCLUSION:Since no comparable tools have been developed,PBQ-OR could be valuable as real-time screening tool for earlier detection of Service Members at risk.展开更多
基金Supported by The Congressionally Directed Medical Research Programs small(pilot)project mechanism,No.Contract W81XWH-10-1-0693(to Baker DG)It was linked to the MRS study,funded by VA’s Health Services Research and Development Service,No.RDIS 0024the Marine Corps and Navy BUMED,from which pre-and post-deployment data were drawn
文摘AIM:To validate the first third-person-rated measure assessing combat-related peritraumatic stress symptoms and evaluate its psychometric properties and war-zone applicability.METHODS:The valid assessment of peritraumatic symptoms in the theater of military operations represents a significant challenge in combat-related,mental health research,which mainly relies on retrospective,subjective self-report ratings.This longitudinal observational study used data from actively deployed troops to correlate third-person observer ratings of deployment peritraumatic behaviors[Peritraumatic Behavior Questionnaire-Observer Rated(PBQ-OR)]collected on a bimonthly basis with post-deployment(1-wk follow-up)ratings of the previously validated PBQ self-rate version(PBQ-SR),and(3-mo follow-up)clinician assessed and self-report posttraumatic stress disorder(PTSD)symptoms(Clinician Administered PTSD Scale,PTSD Checklist).Cronbach's alpha(α)and correlation coefficients were calculated to assess internal reliability and concurrent validity respectively.RESULTS:Eight hundred and sixty male Marines were included in this study after signing informed consents at pre-deployment(mean age 23.2±2.6 years).Although our findings were limited by an overall sparse return rate of PBQ-OR ratings,the main results indicate satisfactory psychometric properties with good internal consistency for the PBQ-OR(α=0.88)and high convergent and concurrent validity with 1-wk post-deployment PBQSR ratings and 3-mo posttraumatic stress symptoms.Overall,later PBQ-OR report date was associated with higher correlation between PBQ-OR and postdeployment measures.Kappa analysis between PBQOR and PBQ-SR single items,showed best agreement in questions relating of mortal peril,desire for revenge,and experience of intense physical reactions.Logistic regression demonstrated satisfactory predictive validity of PBQ-OR total score with respect to PTSD caseness(OR=1.0513;95%CI:1.011-1.093;P=0.02).CONCLUSION:Since no comparable tools have been developed,PBQ-OR could be valuable as real-time screening tool for earlier detection of Service Members at risk.
