Rebekah A. Davenport , Isabel Krug , Nicole Rickerby , Phuong Linh Dang , Elizabeth Forte , Litza Kiropoulos
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引用次数: 0
Abstract
Background
Depression and anxiety are prevalent among persons living with multiple sclerosis (plwMS) and are linked to negative prognostic outcomes. Cognitive theories posit that personality and cognitive factors confer risk for depression and anxiety. This meta-analytic review aimed to synthesise evidence on personality and cognitive factors related to depression and anxiety in MS and determine whether sociodemographic and clinical variables moderate factor-symptom relations.
Methods
This systematic review, meta-analysis and meta-regression was prospectively registered (CRD42020192253). Publications were identified through database searches (Medline, Embase, PsycInfo, WebofScience, Proquest) and considered if they included a sample of individuals with clinically definite MS (age ≥11 years) and a measure of depression or anxiety and a personality or cognitive factor. The Newcastle-Ottawa Scale was applied to assess methodological rigor.
Results
A total of 99 studies were included in the narrative synthesis (97 samples; N= 13,609; Mage= 44.20±7.26), with 77 contributing effects on 24 factors for random-effects meta-analyses. The most robust relationships were between depression and anxiety and higher neuroticism, lower extraversion, emotion dysregulation, and illness perceptions of serious MS consequences and a strong MS identity (r's=0.28–0.59). A set of factors exhibited specificity for depression, including psychological inflexibility (r= 0.62) and optimism (r= -0.43). Relationships varied as a function of age, gender, and MS-type.
Limitations
Limited data availability prevented evaluation of heterogeneity in all cases, and prospective conclusions. Exclusion criteria in the included studies reduced the generalisability findings.
Conclusions
Findings highlight shared and distinct factors implicated in depression and anxiety, offering insights for tailored interventions.