The GCDI was found to be associated with patients' ADLs and MMSE scores, and not with behavioural disturbances or caregiver burden. Compared to VD patients, people with DAT tended to have more behavioural disturbances but better ADL functioning. As a result, DAT patients were classified as 'less disabled' on their GCDI than VD patients, even though their caregivers felt as much burden as the caregivers of VD patients. These results show that the GCDI probably underestimates the impact of behaviour problems. Suggestions are made for a more balanced assessment of demented patients that is more consistent with their needs.
The findings suggest that care services provided under the LTC insurance have been successfully reducing burden among family caregivers in the study area.
In the present study, PHB towards the older people by family caregivers was associated with patients' behavioral disturbances and patient-caregiver kinship, i.e. an adult child as a caregiver. These findings should be taken into account when planning strategies to prevent PHB by family members.
The eight-item short version of the Japanese version of the Zarit Burden Interview (J-ZBI_8) has been confirmed for reliability and validity, and its two subscales (personal strain and role strain) are based on the factor structure of the ZBI. It has been demonstrated that these subscales have good reliability. The aim of the present study was to confirm their construct validity. A total of 51 impaired elderly who had been receiving regular nurses' visits in Kyoto Prefecture, Japan and their family primary caregivers, participated in the present study. Each caregiver was asked to complete a questionnaire which included the J-ZBI_8, the hours spent in caregiving, and the physical and cognitive disability of the impaired elderly. A principal component analysis identified the following two principal components of these variables: 'Activities of Daily Living deficits' and 'behavioral disturbances'. Consequently, Barthel Index (BI) and Troublesome Behavior Scale (TBS) were selected as the representative variable, respectively, for each component. We subsequently calculated the Spearman's rank correlations among the subscales of J-ZBI_8, BI and TBS. Personal strain was found to be correlated with TBS (rho = 0.48, P < 0.01), while role strain was correlated with the BI (rho = -0.29, P = 0.04). The correlation between personal strain and BI was not significant, nor was the correlation between role strain and TBS. These findings indicate that the personal strain and role strain measured by J-ZBI_8 correspond to the personal strain and role strain of the ZBI originally described by Whitlatch et al . Therefore, the construct validity of the J-ZBI_8 subscales is confirmed.
Since the 1970s, the burden of caregiving has been the subject of rather intense study, a trend that will continue with the rapid graying of populations worldwide. Since the Long-Term Care insurance system began in 2000, few cross-sectional studies have attempted to identify factors related to the feelings of burden among caregivers looking after the impaired elderly in Japan. In the present report, among 46 pairs of caregivers and impaired elderly, the elderly receiving regular nurses' visits in Kyoto Prefecture, Japan were assessed for problems with activities of daily living, the severity of dementia, the presence of behavioral disturbance, and cognitive impairment. The caregivers were asked to complete questionnaires in relation to their feelings of burden and caregiving situation. The results indicated that caregivers of impaired elderly with behavioral disturbances were more likely to feel a 'heavier burden.' Those temporarily relieved of caregiving three or more hours a day were less likely to experience 'heavier' caregiver burden than those who were not. Moreover, caregivers who found it 'inconvenient' to use care services tended to be more likely to feel a 'heavier' caregiver burden than those who did not. Recourse to respite services, which are ideally positioned to help, proved inconvenient because of their advance reservation system. More ready access to respite services in emergencies could do much to reduce caregiver burden.
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