Abstract
This study aimed to review the effectiveness of low-intensity cognitive behavioral therapy (CBT)-based interventions for informal dementia caregivers when compared to non-active control conditions. Literature searches were conducted in databases of published (PsycINFO, MEDLINE, CINAHL, Scopus) and unpublished (Open Grey, ISRCTN registry, ClinicalTrials.gov, ProQuest) literature. Individual meta-analyses were conducted for each outcome variable. Pooled intervention effect estimates were calculated as Hedge's g using a random-effects model. Studies examining the effect of low-intensity CBT-based interventions for informal caregivers for people with any progressive dementia were included. Randomized controlled trials and controlled clinical trials were included. Outcomes included the psychological variables of anxiety, depression, burden, and distress (defined as stress or strain). A total of five studies reported anxiety outcomes, 12 reported on depression, three reported on burden, and six reported distress outcomes. Results demonstrated a significant effect of low-intensity CBT-based interventions in reducing all examined psychological difficulties. Small effect sizes were found for anxiety (g = 0.35), depression (g = 0.27), and distress (g = 0.33). A medium effect was found for burden (g = 0.53). The results provide initial support for low-intensity CBT-based interventions for dementia caregivers. Clinical implications and research recommendations are explored. Strengths and limitations of the study are discussed.
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