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Background: High heterogeneity exists in estimates of the share of and absolute costs of informal care (IC) for individuals diagnosed with dementia. Objective: To assess the differences in the share of and absolute costs of IC between subpopulations defined by latent profiles of activities of daily living (ADLs), neuropsychiatric symptoms, and global cognitive functioning. Methods: We performed a nested cross-sectional analysis of data collected from 2019–2021 at the Zagreb-Zapad Health Center, Zagreb, Croatia, from a sample of patients and their caregivers. The outcome was the share of costs of IC in the total costs of care estimated using the Resource Utilization in Dementia questionnaire. We used latent profile analysis of six principal components of the Alzheimer's Disease Cooperative Study ADLs inventory, Neuropsychiatric Inventory and Mini-Mental State Examination, and conducted the analysis using beta and quantile regression. Results: We enrolled 240 patients with a median age of 74 years; 78% were women. The annual cost for treatment and care for one patient was 11,462 (95% confidence interval 9,947; 12,976) EUR. After the adjustment for covariates, five latent profiles were significantly associated with the share of costs and absolute cost of IC. The adjusted annual costs of IC ranged from 2,157 EUR, with a share of 53% in the first latent profile, to 18,119 EUR, with a share of 78% in the fifth latent profile. Conclusion: The population of patients with dementia was heterogeneous, and there were relatively large differences in the share and absolute costs of IC between particular subpopulations. [ABSTRACT FROM AUTHOR]

Aim To translate the Consultation and Relational Empathy (CARE) Measure into Croatian and validate the Croatian version of the questionnaire. Methods A cross-sectional study was conducted in July 2011 in 8 general practices (GP) in Croatia. Following two stages of translation, back-translation, and pilot testing, the Croatian version of the CARE was tested on 568 consecutive patients. Results Face validity was high, the number of missing values was low (9%), and the internal consistency (Cronbach's alpha) was 0.77. A principal component analysis of 10 CARE Measure items extracted two components with eigenvalues >1. These two components explained 43.6% of the total instrument variance. Conclusion The Croatian version of the CARE Measure had acceptable reliability and face validity, but its intended component structure was not reproduced and further research is needed to understand its dimensionality. [ABSTRACT FROM AUTHOR]

We aimed to estimate health-related quality of life (HRQoL) in family-member caregivers of patients with dementia in Croatia and to assess relevant predictors. A cross-sectional study in family medicine practices in Zagreb (Health Care Center Zagreb-West) was performed in period 10/2017-9/2018 and included 131 dyads consisting of a patient with dementia and one dominant informal caregiver. Patient measures included Mini-mental-state-examination (MMSE), Barthel-index and the Neuropsychiatric Inventory-Questionnaire (NPI-Q). Caregiver measures included 36-Item Short-Form-Health-Survey (SF-36), Zarit-Burden-Interview (ZBI) and structured questionnaire regarding general information on caregiver and patient. SF-36 is a reliable instrument to estimate HRQoL (Cronbach α ≥0.79 for all domains). Caregiver HRQoL was higher than reported in Croatian population in physical functioning (PF), role physical (RP), general health (GH), social functioning (SF) and role emotional (RE) domains. More pronounced neuropsychiatric symptoms in patient with dementia were associated with caregiver's lower HRQoL in vitality (VT) and mental health (MH) domains. Caregivers with higher caregiver burden assessed by ZBI had lower HRQoL in RP, bodily pain (BP), GH, VT, SF, RE and MH domains. In multivariate analyses, higher caregiver's burden was independent predictor of lower HRQoL in RP, VT, RE and MH domains. Neuropsychiatric symptoms and use of day-care service were recognized as independent predictors of lower HRQoL (in PF, BP and GH, SF, RE domains, respectively). Neuropsychiatric symptoms and caregiver burden are associated with HRQoL in caregivers of patients with dementia. Interventions including psychological support and learning of skills necessary to tackle individual problems may help in improvement of HRQoL.

Aim: To validate the Croatian version of the Zarit Burden Interview (ZBI) and to investigate the predictors of perceived burden., Methods: This cross-sectional study involved 131 dyads of one informal caregiver family member and one patient with dementia visiting primary care practices (Health Care Center Zagreb-West; 10/2017-9/2018). Patient-related data were collected with the Mini-Mental-State-Examination, Barthel-index, and Neuropsychiatric-Inventory-Questionnaire (NPI-Q); caregiver-related data with the ZBI, and general information on caregivers and patients with a structured questionnaire. Principal-axis-factoring with varimax-rotation was used for factor analysis., Results: The caregivers' mean age was 62.1±13 years. They were mostly women (67.9%) and patients' children (51.1%). Four dimensions of ZBI corresponding to personal strain, frustration, embarrassment, and guilt were assessed and explained 56% variance of burden. Internal consistency of ZBI (α=0.87) and its dimensions (α1=0.88, α2=0.83, α3=0.72, α4=0.75) was good. Stronger cognitive and functional impairment of patients was associated only with personal strain, whereas more pronounced neuropsychiatric symptoms and the need for daily care were associated with more dimensions. Longer caregiver education suppressed embarrassment and promoted guilt. Guilt was higher in younger caregivers, caregivers of female patients, patients' children, and non-retired caregivers. In multivariate analysis significant predictors of higher overall burden were male sex of the patient, higher NPI-Q, the need for daily-care services, shorter duration of caregiving, non-spouse relationship, higher number of hours caring per-week, and anxious-depressive symptoms in a caregiver., Conclusion: The Croatian version of ZBI is reliable and valid. Our data confirm that ZBI is a multidimensional construct. Caregivers may benefit from individually tailored interventions.