Contributions of caregiver management styles to the discrepancy between reported and observed task performance in people with dementia

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Abstract

Background: The identification and understanding of the discrepancy between caregivers' reports of people with dementia's (PwD) performance of activities of daily living (ADLs) and observed performance, could clarify what kind of support a PwD effectively needs when completing tasks. Strategies used by caregivers have not been included in the investigation of this discrepancy. Objective: To (1) investigate if caregivers' report of PwD's ADL performance are consistent with PwD's observed performance; (2) explore if caregiver management styles, depression, and anxiety, contribute to this discrepancy. Methods: PwD (n = 64) were assessed with standardized performance-based (Assessment of Motor and Process Skills, AMPS) and informant-based (Disability Assessment for Dementia, DAD) ADL assessments. Caregivers completed depression (PHQ-9), anxiety (GAD-7), and dementia management style (DMSS: criticism, active-management, and encouragement) questionnaires. Cohen's kappa determined agreement/disagreement in ADL performance. To investigate the potential discrepancy between the DAD and AMPS, a continuous variable was generated: comparative ADL score. Multiple linear regression analysis explored whether caregivers' management styles, depression or anxiety could explain the ADL discrepancy. Results: Poor level of agreement between observed and reported ADL performance [k = -0.025 (95% CI -0.123 -0.073)] was identified, with most caregivers underestimating ADL performance. The combined model explained 18% (R2 = 0.18, F (5,55) = 2.52, p≤0.05) of the variance of the comparative ADL score. Active-management (β= -0.037, t (60) = -3.363, p = 0.001) and encouragement (β= 0.025, t (60) = 2.018, p = 0.05) styles made the largest and statistically significant contribution to the model. Conclusion: Encouragement style could be advised for caregivers who underestimate ADL performance, while active management style for those who overestimate it. Findings have scope to increase caregivers' abilities to support PwD activity engagement in daily life.

Original languageEnglish
Pages (from-to)1605-1614
Number of pages10
JournalJournal of Alzheimer's Disease
Volume88
Issue number4
DOIs
Publication statusPublished - 16 Aug 2022

Keywords

  • Activities of daily living
  • anxiety
  • caregiver management styles
  • depression

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