Factors Related to Mild Cognitive Impairment Among Older Adult Users of Outpatient Preventive Long-term Care Services

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  • 介護予防通所介護を利用する高齢者の軽度認知障害とその関連要因
  • カイゴヨボウツウショカイゴ オ リヨウ スル コウレイシャ ノ ケイド ニンチ ショウガイ ト ソノ カンレン ヨウイン

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Abstract

<p>This study aimed to investigate the factors related to mild cognitive impairment (MCI) using baseline data from a cohort study that targeted older adult users of outpatient preventive long-term care services.</p><p>The study participants were registered in March 2017 and March 2018. Pure-tone audiometry, the Japanese version of the Montreal Cognitive Assessment (MoCA-J), and a self-administered questionnaire survey were conducted. The participants were classified into two groups based on MoCA-J scores : the MCI group (≤25 points) and the healthy group (≥26 points). A logistic model was used to adjust the effects of multiple factors, and the odds ratios (ORs) for the MCI were calculated.</p><p>Of the 296 registered participants, 217 (73%) had MCI. In total, 272 participants who fully answered the questionnaire were analyzed. The results indicated that the ORs for MCI increased with increases in age (65-79 vs. 80-84 years : OR＝2.18 ; 65-79 vs. ≥85 years : OR＝6.56). Participants with a history of diabetes had elevated ORs for MCI (OR＝3.06). On the other hand, the ORs for MCI decreased in women (OR＝0.46), those with a history of cerebrovascular disease (OR＝0.30), those with a history of heart disease (OR＝0.39), and those with high scores for instrumental activities of daily living (1-9 vs. 10-11 : OR＝0.20 ; 1-9 vs. ≥12 : OR＝0.37).</p><p>　These results suggest that aging and diabetes are risk factors for MCI.</p>

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