Is culture an independent variable in psychogeriatrics? The case of Japanese and Brazilian elderly.
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Biomedical subjects
Publications and source records attributed to Teiji Sakagami.
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The purpose of this study was to examine the prevalence of screening-based depression and the association of depression with activities of daily living (ADL) and quality of life (QOL) of community-dwelling elderly in the developing and developed countries. A total of 2,695 community-dwelling elderly subjects aged 60 years or older living in five rural Asian towns (Indonesia: 411, Vietnam: 379, Japan: 1,905) participated in this cross-sectional study. Depressive symptoms were assessed using a 15-item geriatric depression scale (GDS-15). ADL, higher daily activities, and medical and social history were assessed by interviews or self-report questionnaires. For the assessment of subjective QOL, a 100mm visual analogue scale was used. Using a cut-point of 5/6 for the GDS-15, 782 participants (29.0%) appeared to have depression (Indonesia: 33.8%, Vietnam: 17.2%, Japan: 30.3%). Subjects with depression had significantly lower scores for both ADL and QOL than those without depression in all the three countries. In all the three countries, 17.2-33.8% of community-dwelling elderly subjects had screening-based depression, which was commonly associated with both lower quantitative ADL and lower QOL.
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This cross-sectional study examined the prevalence of screening-based depression and compared the scores of activities of daily living (ADL) and quality of life (QOL) between community-dwelling elderly subjects with and without depression in Japan. Elderly subjects aged 65 or older living in four rural towns participated in 2000 or 2001 (n = 5363, female 58.3%, mean (S.D.) age 74.6 (7.0) years). Depressive symptoms were assessed using a 15-item Geriatric Depression Scale (GDS-15) and ADL, higher functions, and medical and social histories were assessed by self-report questionnaires. For assessing subjective QOL, a 100 mm visual analogue scale was used. One thousand seven hundred ninety-eight participants (33.5%, range, 32.3-34.6%) had suggestive depression using cutoff 5/6 of GDS-15. Subjects with depression revealed significantly lower scores for ADL and QOL than those without depression. Prevalence of screening-based depression was similar in the four different rural Japanese towns. However, the reported prevalence of depression varies enormously in different country. Primary physicians and caregivers should pay more attention to depression in the community-dwelling elderly population, especially below the threshold of major depression as minor depression or dysthymia.