Abstract
Many patients with moderate - severe dementia with behavioral and psychological symptoms of dementia (BPSD) were living at home in Thailand. A mobile application which allows caregivers to evaluate patients’ BPSD at home is needed. To develop an application that caregivers can monitor BPSD in patients with moderate-severe dementia. A mobile application was developed to measure 9 common BPSD domains in Thai language. The application was a touchscreen-based questionnaire using Likert scale for frequency of each behavioral domain (frequency score) and visual analogue scale for its impact on caregivers’ emotion (impact score). Concurrent validity was compared to a paper-based version of Neuropsychiatric Inventory (NPI). From a total of 50 caregivers’ responses, both total frequency score and total impact score from the application were significantly correlated with NPI total frequency x severity score (ρ = 0.62, p <0.001) and NPI total burden score (ρ = 0.68, p <0.001). Frequency score in each domain from application was significantly correlated with corresponding NPI subscale scores (ρ = 0.31 – 0.73, all p <0.05). Regarding impact scores, every domain was significantly correlated with NPI burden score on corresponding subscales (ρ = 0.38 – 0.66, all p <0.01). The mobile application demonstrated strong to very strong correlations with NPI scores in patients with moderate – severe dementia. This application may be useful for caregivers in monitoring BPSD. Further testing for usability in community-dwelling is needed before implication into clinical practice.
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