Abstract
ObjectivesHuman‐animal interactions have beneficial psychosocial and psychophysiological effects on individuals in both the presence and absence of medical health conditions. No previous prospective studies with long follow‐up have investigated the effects of domestic pets on individuals with Alzheimer's disease (AD) who live at home. We examined the effects of pets on quality of life (QoL) and general well‐being during a 5‐year follow‐up of home‐dwelling persons with AD.MethodsIn a prospective study including 223 patients with very mild (Clinical Dementia Rating Scale [CDR] 0.5) or mild (CDR 1) AD at baseline who participated in the ALSOVA study, 40 (18%) had a pet. Self‐ and proxy‐rated QoL in AD quality of life‐AD (QoL‐AD), 15D, and self‐rated visual analogic scale (VAS) were assessed annually for 3 years and after 5 years. The Mini‐Mental State Examination, Neuropsychiatric Inventory, and CDR sum of boxes (CDR sum of boxes) were measured at the same visits.ResultsA significant positive effect of pet ownership (p = 0.003, proxy‐rated QoL‐AD) on QoL was found over the entire follow‐up. However, self‐rated QoL‐AD, 15D, and VAS did not significantly differ between pet owners and non‐pet owners.ConclusionsThe findings suggest that having a pet may support QoL in home‐dwelling persons with AD. Self‐rated or general QoL or well‐being measurements are not an accurate method for studying QoL in individuals with dementia over time due to a lack of insight. Adding proxy‐rated evaluations to this kind of study is recommended.
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