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Predictors of Societal Costs in Dementia Patients and Their Informal Caregivers: A Two-Year Prospective Cohort Study

Objectives: Dementia poses a substantial economic burden on society. Knowing which factors predict high costs in dementia may help to better target interventions and optimize resource allocation. This study aimed to identify predictors of the total societal costs in dementia patients and their informal caregivers.

Design: Prospective cohort study with 2-year follow up.

Setting and Participants: 192 community-dwelling patients with dementia and their primary informal caregivers in the Netherlands.

Measurements: Data on health care resource utilization, informal carer time and caregivers' work absenteeism were collected by cost diaries and interviews. Predictors of total costs were identified for patient–caregiver dyads, and for patients and informal caregivers separately by performing univariate and multivariate generalized linear models.

Results: Societal costs of patient-caregiver dyads averaged €75,084 (SEM: €4,263) in the first year and €99,369 (SEM: €6,441) in the second year. Sixty percent was attributed to costs of informal care. Patient impairments in activities of daily living (ADLs) and instrumental activities of daily living (IADLs), disruptions during daily activities of the caregiver, and receiving case management were significantly associated with higher costs in dyads. The same predictors remained significant for patients' costs separately, and for informal caregivers, a poorer caregiver's quality of life and having more chronic diseases determined higher costs.

Conclusions: The societal costs of dementia are substantial and mainly due to high costs of informal care. The burden for caregivers caused by a disrupted schedule and patients' ADL and IADL dependencies contributed most to the total costs. Interventions targeting these factors effectively might result in relevant economic benefits for society.

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Additional Titles
American Journal of Geriatric Psychiatry

Key Information

Type of Reference
Jour
Type of Work
Article
Resource Database
Scopus scopus - exported 1/8/16
Publication Year
2015
Issue Number
11
Volume Number
23
Start Page
1193-1203