Prevalence of mood disorders according to dsm-iii-r criteria in the community elderly residents in Japan |
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Authors: | Kazushige Ihara Yoshiaki Muraoka Arata Oiji Toshihide Nadaoka |
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Institution: | (1) Department of Hygiene and Preventive Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, 142-8555 Shinagawa-ku, Tokyo, Japan;(2) Department of Psychiatry, Shinjo Meiwa Hospital, Yamagata;(3) Department of Psychiatry and Neurology, Yamagata University Hospital, Yamagata;(4) Department of Psychiatry and Neurology, Yonezawa Hospital, Yamagata |
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Abstract: | The prevalence rates of mood disorders according to the DSM- III -R criteria in the community elderly were investigated with
structured interviews conducted by psychiatrists. The subjects were 1,965 randomly selected residents aged 65 years or more
who lived in Nagai City, Japan. In the first phase, a questionnaire including the short form of the Geriatric Depression Scale
(GDS) was distributed to all subjects. In the second phase, all persons scoring 6 points or more on the GDS and approximately
half as many of these persons randomly selected from the remaining respondents scoring 5 points or less were examined by psychiatrists
using the A and D modules of the Structured Clinical Interview for DSM-III-R. The 1-month prevalence rates of major depression
and bipolar disorder were estimated to be 0.9% and 0.0%, and the current prevalence of dysthymia was estimated to be 0.5%.
By using additional unstructured clinical interviews, we also found the prevalence rates of adjustment disorder with depressed
mood and other types of depression to be 3.8% and 2.5%. For these categories of depression, prevalence rates did not differ
significantly by sex or age group, except that the prevalence of adjustment disorder with depressed mood was significantly
higher in women than in men. |
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Keywords: | prevalence DSM- III -R depression elderly Structured clinical interview for DSM-III-R (SCID) |
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