Reliability and validity of the Japanese version of the abbreviated Lubben Social Network Scale

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  • Kurimoto Ayumi
    Nursing Science of Community Health Care Systems, Tohoku University Graduate School of Medicine
  • Awata Shuichi
    Research Team for Promoting Independence of the Elderly, Tokyo Metropolitan Institute of Gerontology
  • Ohkubo Takayoshi
    Planning for Drug Development and Clinical Evaluation, Tohoku University Graduate School of Pharmaceutical Sciences Department of Health Science, Shiga University of Medical Science
  • Tsubota-Utsugi Megumi
    Scientific Evaluation of Dietary Reference Intakes' Project, Nutritional Epidemiology Program, National Institute of Health and Nutrition
  • Asayama Kei
    Planning for Drug Development and Clinical Evaluation, Tohoku University Graduate School of Pharmaceutical Sciences
  • Takahashi Kouko
    Nursing Science of Community Health Care Systems, Tohoku University Graduate School of Medicine
  • Suenaga Katsuko
    Nursing Science of Community Health Care Systems, Tohoku University Graduate School of Medicine
  • Satoh Hiroshi
    Department of Environmental Health Sciences, Tohoku University Graduate School of Medicine
  • Imai Yutaka
    Planning for Drug Development and Clinical Evaluation, Tohoku University Graduate School of Pharmaceutical Sciences

Bibliographic Information

Other Title
  • 日本語版Ｌｕｂｂｅｎ　Ｓｏｃｉａｌ　Ｎｅｔｗｏｒｋ　Ｓｃａｌｅ短縮版（ＬＳＮＳ－６）の作成と信頼性および妥当性の検討
  • ニホンゴバン Lubben Social Network Scale タンシュクバン LSNS 6 ノ サクセイ ト シンライセイ オヨビ ダトウセイ ノ ケントウ
  • Reliability and validity of the Japanese version of the abbreviated Lubben Social Network Scale. Nippon Ronen Igakkai Zasshi
  • Reliability and validity of the Japanese version of the abbreviated Lubben Social Network Scale (in Japanese)

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Aim: To investigate the reliability and validity of the Japanese version of the abbreviated Lubben Social Network Scale (LSNS-6), which is used worldwide as a screening tool for social isolation in elderly individuals.<br> Methods: An interview-format questionnaire survey was given to 232 elderly community residents undergoing general health checkups. In addition to the Japanese version of the LSNS-6, other questionnaire items regarding social support, the Japanese version of the Zung Self-Rating Depression Scale (SDS), base attributes, and self-ratings of health, physical function and suicidal ideation were obtained. The internal consistency, test-retest, and interrater reliability of the Japanese version of the LSNS-6 were determined using the Cronbach α correlation, Spearman correlation, and intraclass correlation coefficients, respectively. Construct validity was investigated by comparison with the results of a previous study, while concurrent validity was determined in relation to SDS scores as well as questionnaire items on social support.<br> Results: The Cronbach α coefficient was 0.82, the correlation coefficient for the test-retest was 0.92 (P<0.001), and the intraclass correlation coefficient for interrater reliability was 0.96 (95% confidence interval [CI] 0.90-0.99). Mean scores on the Japanese version of the LSNS-6 increased as the number of household members increased (P=0.033), but decreased among elderly individuals at risk of suicide (P=0.026), and tended to decrease among those with a poor self-rated health score (P=0.081). Scores on the Japanese version of the LSNS-6 had a significant negative correlation with SDS scores (P<0.001) On 4 of the 5 questionnaire items on social support, and those without social support had significantly lower mean scores on the Japanese version of the LSNS-6 (P<0.05) than those with social support.<br> Conclusions: We confirmed the reliability and validity of the Japanese version of the abbreviated LSNS-6.<br>

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