Anxiety, depression, and quality of life among subgroups of individuals with acquired brain injury: The role of anxiety sensitivity and experiential avoidance

NeuroRehabilitation
Amanda McIntyreRobert Teasell

Abstract

The objectives of this observational cohort study were to 1) cluster individuals with acquired brain injury (ABI) into subgroups according to their level of anxiety sensitivity (AS) and experiential avoidance (EA), and 2) compare subgroups with respect to anxiety, depression, and quality of life (QoL). Individuals were recruited from an ABI outpatient clinic in Ontario, Canada and completed comprehensive psychosocial questionnaires. A two-step cluster analysis was performed to identify unique subgroups based on the clustering variables Anxiety Sensitivity Index (ASI) and Acceptance and Action Questionnaire (AAQ) which measure AS and EA, respectively. Clinical outcome measures were compared between clusters using multivariate analysis of variance: Generalized Anxiety Disorder 7 item (anxiety); Patient Health Questionnaire-9 (depression), and EQ-5D overall health item (QoL). Among 86 participants included for analysis (mean age 47.1±14.2 years, 54.7% female), three unique clusters were produced. ASI and AAQ were significantly different among all groups (p < 0.001). Cluster 1 (n = 26) had the lowest levels of AS and EA whereas Cluster 3 (n = 24) had the highest levels of AS and EA; Cluster 2 (n = 36) had moderate levels of AS and ...Continue Reading

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Citations

Jul 18, 2020·NeuroRehabilitation·Gary GoldbergLeonard Kamen

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