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Development and content validity of the behavioral assessment screening tool (BAST?).

ABSTRACT: PURPOSE:Develop and establish the content validity of the Behavioral Assessment Screening Tool (BAST?), a self-reported measure of behavioral and emotional symptoms after traumatic brain injury. METHODS:This was an assessment development study, including two focus groups of individuals with traumatic brain injury (n?=?11) and their family members (n?=?10) and an expert panel evaluation of content validity by experts in traumatic brain injury rehabilitation (n?=?7). We developed and assessed the Content Validity Index of the BAST?. RESULTS:The BAST? initial items (n?=?77) corresponded with an established conceptual model of behavioral dysregulation after traumatic brain injury. After expert panel evaluation and focus group feedback, the final BAST? included 66 items (60 primary, 6 branching logic) rated on a three-level ordinal scale (Never, Sometimes, Always) with reference to the past two weeks, and an Environmental Context checklist including recent major life events (n?=?23) and four open-ended questions about environmental factors. The BAST? had a high Content Validity Index of 89.3%. CONCLUSION:The BAST? is a theoretically grounded, multidimensional self-reported assessment of behavioral dysregulation after traumatic brain injury, with good content validity. Future translation into mobile health modalities could improve effectiveness and efficiency of long-term symptom monitoring post-traumatic brain injury. Future work will establish and validate the factor structure, internal consistency reliabilities and other validities of the BAST. Implications for Rehabilitation Behavioral problems after traumatic brain injury is one of the strongest contributing factors to poor mood and community integration outcomes after injury. Behavior is complex and multidimensional, making it a challenge to measure and to monitor long term. The Behavioral Assessment Screening Tool (BAST) is a patient-oriented outcome assessment developed in collaboration with individuals with traumatic brain injury, their care partners, and experts in the field of traumatic brain injury rehabilitation to be relevant and accessible for adults with traumatic brain injuries. The BAST is a long-term monitoring and screening tool for community-dwelling adults with traumatic brain injuries, to improve identification and management of behavioral and emotional sequelae.

SUBMITTER: Juengst SB

PROVIDER: S-EPMC6198322 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Development and content validity of the behavioral assessment screening tool (BAST<sub>β</sub>).

Juengst Shannon B SB Terhorst Lauren L Dicianno Brad E BE Niemeier Janet P JP Wagner Amy K AK

Disability and rehabilitation 20180105 10

<h4>Purpose</h4>Develop and establish the content validity of the Behavioral Assessment Screening Tool (BAST<sub>β</sub>), a self-reported measure of behavioral and emotional symptoms after traumatic brain injury.<h4>Methods</h4>This was an assessment development study, including two focus groups of individuals with traumatic brain injury (n = 11) and their family members (n = 10) and an expert panel evaluation of content validity by experts in traumatic brain injury rehabilitation (n = 7). We d ...[more]

PMID: 29303003

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Project description:Currently health care pathways (the combination and order of services that a patient receives to manage their injury) following a mild traumatic brain injury vary considerably. Some clinicians lack confidence in injury recognition, management and knowing when to refer. A clinical expert group developed the Brain Injury Screening Tool (BIST) to provide guidance on health care pathways based on clinical indicators of poor recovery. The tool aims to facilitate access to specialist services (if required) to improve longer term prognosis. The tool was developed using a three-step process including: 1) domain mapping; 2) item development and 3) item testing and review. An online retrospective survey of 114 adults (>16 years) who had experienced a mild brain injury in the past 10 years was used to determine the initial psychometric properties of the 15-item symptom scale of the BIST. Participants were randomised to complete the BIST and one of two existing symptom scales; the Rivermead Post-concussion Symptom Questionnaire (RPQ) or the Sports Concussion Assessment Test (SCAT-5) symptom scale to determine concurrent validity. Participant responses to the BIST symptom scale items were used to determine scale reliability using Cronbach's alpha. A principal components analysis explored the underlying factor structure. Spearman's correlation coefficients determined concurrent validity with the RPQ and SCAT-5 symptom scales. The 15 items were found to require a reading age of 6-8 years old using readability statistics. High concurrent validity was shown against the RPQ (r = 0.91) and SCAT-5 (r = 0.90). The BIST total symptom scale (α = 0.94) and the three factors identified demonstrated excellent internal consistency: physical/emotional (α = 0.90), cognitive (α = 0.92) and vestibular-ocular (α = 0.80). This study provides evidence to support the utility, internal consistency, factor structure and concurrent validity of the BIST. Further research is warranted to determine the utility of the BIST scoring criteria and responsiveness to change in patients.

Dataset Information

Development and content validity of the behavioral assessment screening tool (BAST?).

Publications

Development and content validity of the behavioral assessment screening tool (BAST<sub>β</sub>).

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