Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics · 2012
[Estimation of the reliability and validity of the short version of the 28-item Dementia Behavior Disturbance scale].
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Machida Ayako
Аннотация
AIM: The aim of this study was to make a short version of the 28-item Dementia Behavior Disturbance (DBD) scale.
METHODS: The 28-item DBD was evaluated twice, with a mean interval of 1 year in 221 outpatients with dementia attending our institution (mean age, 78.3 years). First, 6 items which did not show substantial changes were excluded. Next, 4 items that were less frequent were excluded. After factor analysis, a new, 13-item short version of the DBD scale (DBD13) was developed.
RESULTS: The DBD13 showed high internal consistency (Cronbach's alpha=0.96). A high correlation was observed between the scores of the DBD13 and those of the Mini-Mental State Examination (r=-0.27, p<0.0001), Assessment of Daily Living (r=-0.307, p<0.0001), Instrumental Activities of Daily Living (r=-0.375, p<0.0001) and Zarit Burden Interview (r=-0.68, p<0.0001).
CONCLUSIONS: The DBD13 may be a useful and valid measure of the behavioral and psychological symptoms of dementia to evaluate response to care for patients with dementia.
METHODS: The 28-item DBD was evaluated twice, with a mean interval of 1 year in 221 outpatients with dementia attending our institution (mean age, 78.3 years). First, 6 items which did not show substantial changes were excluded. Next, 4 items that were less frequent were excluded. After factor analysis, a new, 13-item short version of the DBD scale (DBD13) was developed.
RESULTS: The DBD13 showed high internal consistency (Cronbach's alpha=0.96). A high correlation was observed between the scores of the DBD13 and those of the Mini-Mental State Examination (r=-0.27, p<0.0001), Assessment of Daily Living (r=-0.307, p<0.0001), Instrumental Activities of Daily Living (r=-0.375, p<0.0001) and Zarit Burden Interview (r=-0.68, p<0.0001).
CONCLUSIONS: The DBD13 may be a useful and valid measure of the behavioral and psychological symptoms of dementia to evaluate response to care for patients with dementia.