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Title: Factor structures of a Japanese version of the Geriatric Depression Scale and its correlation with the quality of life and functional ability.
Authors: Imai, Hissei
Yamanaka, Gaku
Ishimoto, Yasuko
Kimura, Yumi
Fukutomi, Eriko
Chen, Wen-Ling
Matsuoka, Sachi
Tanaka, Mire
Sakamoto, Ryota  kyouindb  KAKEN_id
Wada, Taizo
Okumiya, Kiyohito
Otsuka, Kuniaki
Matsubayashi, Kozo  KAKEN_id
Author's alias: 今井, 必生
Keywords: Depression
Geriatric Depression Scale (GDS-15)
Factor analysis
Activities of daily living (ADLs)
Quality of life (QOL)
Cognitive function
Issue Date: 28-Feb-2014
Publisher: Elsevier Ireland Ltd.
Journal title: Psychiatry research
Volume: 215
Issue: 2
Start page: 460
End page: 465
Abstract: We investigated the 15-item Geriatric Depression Scale (GDS-15) with regard to its factors and, reproducibility, as well as its relationship to activities of daily living, social factors, medical conditions, and quality of life for community-dwelling elderly people in Japan. The study population consisted of 736 community-dwelling elderly participants aged 65 or older. Exploratory factor analysis of the data and correlation coefficients between factors and activities of daily living, quality of life, social factors, and medical conditions were calculated for two consecutive years. The reproducibility of the results was also evaluated. As the result, GDS-15 had three reproducible factors specified as follows: factor I, "energy loss and pessimistic outlook"; factor II, "positive mental status (reversed)"; and factor III, "empty feeling." Comparing our findings with a review of research in this area, positive items (excluding "feel full of energy") seem to compose an universal factor. Factor I correlated best with quality of life, factor II with activities of daily living, and factor III with subjective cognitive function. These results suggest the GDS-15 can be used to assess the functional ability and quality of life, as well as depressive mood in older adults.
Rights: © 2013 Elsevier Ireland Ltd.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
DOI(Published Version): 10.1016/j.psychres.2013.12.015
PubMed ID: 24388098
Appears in Collections:Journal Articles

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