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Sense of coherence, subjective burden, and anxiety and depression symptoms in caregivers of people with dementia: Causal dynamics unveiled by a longitudinal cohort study in Europe. | LitMetric

AI Article Synopsis

Article Abstract

Background: Sense of coherence (SOC) is a disposition to perceive things as comprehensible, manageable and meaningful. Lower SOC is associated with subjective burden and psychological morbidity in family caregivers, including in dementia. However, the evidence-base mainly comprises small-scale or cross-sectional studies. More should be known about SOC stability, causal relationships, and international contexts. We aimed to study longitudinal links between dementia caregivers' SOC, subjective burden, and anxiety and depression symptoms in a multinational sample.

Methods: We analyzed the EU-Actifcare cohort (451 dyads of community-dwelling people with mild-moderate dementia and their caregivers). Caregivers' assessments included: SOC scale, Relatives' Stress Scale, Hospital Anxiety and Depression Scale. A cross-lagged panel model was used to investigate associations between these measures at baseline, 6 and 12-month follow-ups, controlling for covariates.

Results: Caregivers' subjective burden, anxiety and depression symptoms increased over time, SOC remaining overall stable. Considering the first six-month follow-up, we found bidirectional relationships between SOC and subjective burden, and SOC and anxiety symptoms, while lower SOC predicted depression symptoms but not vice-versa. For the remaining follow-up period, both anxiety and depression symptoms predicted lower SOC but not vice versa.

Limitations: Convenience sampling precludes full generalizability.

Conclusions: This large longitudinal study shed more light on interplays between SOC, subjective burden and mental health outcomes in dementia caregivers. Findings were consistent with SOC potential protective role against burden and psychological morbidity. However, they also supported reverse causality regarding part of the associations. Caregivers' SOC levels may be directly influenced by subjective burden and psychological morbidity.

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http://dx.doi.org/10.1016/j.jad.2024.12.078DOI Listing

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