Loneliness is associated with a reduced higher-level-function capacity in older diabetic patients

要旨

OBJECTIVE: The present study examined the relationship between loneliness and higher-level functions in elderly diabetic patients. METHODS: The subjects were diabetic patients ≥65 years old who were outpatients at Ise Red Cross Hospital. The Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG-IC), a self-administered questionnaire, was used to assess higher-level functions. To evaluate loneliness, we used a shortened version of the Japanese version of the loneliness scale, a self-administered questionnaire. A multiple regression analysis with TMIG-IC scores as the dependent variable, loneliness as the explanatory variable, and adjustment variables was used to calculate the adjusted partial regression coefficients of loneliness on higher-level functions. RESULTS: One hundred and seventy patients were included in the present analysis. Ninety-one patients (53.5%) had loneliness, and the mean TMIG-IC score was 11.3. The unadjusted and adjusted partial regression coefficients of loneliness on higher-level functions were -1.61 (95% confidence interval [CI], -2.31 to -0.91; < 0.001) and -0.88 (95% CI, -1.52 to -0.23; P=0.008), respectively. CONCLUSION: Loneliness in elderly diabetic patients was found to be associated with lower higher-level functions. It is important to remind patients with diabetes mellitus who have loneliness about the risk of a decline in their higher-level functions.

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