冬の日照時間が短い地域に住む日本の高齢者における,冬と夏の睡眠の質に関連する要因  [in Japanese] Factors Affecting Sleep Quality in Winter and Summer among the Japanese Elderly Living with Short Daylight Hours in Winter  [in Japanese]

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Author(s)

    • 山下 舞琴 Yamashita Makoto
    • 京都光華女子大学健康科学部看護学科|京都大学大学院医学研究科人間健康科学系専攻 Department of Nursing, Faculty of Health Science, Kyoto Koka Women's University, Japan|Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan
    • 長島 俊輔 Nagashima Shunsuke
    • 京都大学大学院医学研究科人間健康科学系専攻|日本学術振興会特別研究員DC Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan|JSPS Research Fellow DC1, Japan
    • 若村 智子 Wakamura Tomoko
    • 京都大学大学院医学研究科人間健康科学系専攻 Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan

Abstract

本研究の目的は,冬の日照時間が短い地域に住む高齢者の冬と夏の睡眠に関連する要因を明らかにすることとした。京丹後市高齢者大学の受講生149人に,質問紙調査(睡眠:ピッツバーグ睡眠質問票,気分:感情プロフィール検査,他)を冬と夏に行い,分析した。夏の睡眠時間は,冬に比べ有意に短く,睡眠困難の得点が高い傾向があり,さらに夏の活気と疲労の得点は有意に高かった。冬に会話を毎日する人の割合は,夏に比べ有意に少なかった。重回帰分析の結果,外出頻度,疲労,精神疾患などが冬の睡眠に,会話頻度,緊張-不安,消化器疾患などが夏の睡眠に,影響を与えていた。降雪地帯であったが,冬の日常的な外出が,よい睡眠を導くための具体的な指針の一つとして示唆された。また,冬に疲労が,夏に緊張が強い人には,睡眠障害も念頭においてかかわる必要があるかもしれない。このように,冬と夏によって適切な睡眠の指導が異なる可能性が示された。

The purpose of this study was to evaluate the factors affecting sleep quality in winter and summer among the Japanese elderly, living with short daylight hours in winter. Overall, 149 participants who had joined the Citizen's College for the Elderly in Kyotango-city (Kyoto, Japan) were compared based on questionnaires filled by them in winter and summer. Sleep quality was assessed using the Pittsburgh Sleep Quality Index, and mood and daily activities were assessed by the "Profile of Mood Scale". The sleep duration in summer was significantly shorter than that in winter; the subjects had more sleep difficulties and significantly higher scores for "vigor" and "fatigue" in summer than that in winter. The proportion of participants who talked daily with someone was significantly lower in winter than that in summer. Multiple regression analysis revealed that their sleep quality in winter was related to factors such as "frequency of going out", "fatigue", and "mental disorders" and, in summer were "tension-anxiety" and "digestion disorders". The subjects lived in a snowfall zone; however, "daily going out in the winter" was suggested as one of the practical indicators leading to better sleep quality. Therefore, the appropriate nursing guidance for better sleep quality may vary between winter and summer.

Journal

  • Journal of Japan Society of Nursing Research

    Journal of Japan Society of Nursing Research 41(1), 1_19-1_28, 2018

    Japan Society of Nursing Research

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