著者
Akio Yagi Shinya Hayasaka Toshiyuki Ojima Yuri Sasaki Taishi Tsuji Yasuhiro Miyaguni Yuiko Nagamine Takao Namiki Katsunori Kondo
出版者
Japan Epidemiological Association
雑誌
Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日
pp.JE20180123, (Released:2018-10-27)
参考文献数
40

Background: While bathing styles vary among countries, most Japanese people prefer tub bathing to showers and saunas. However, few studies have examined the relationship between tub bathing and health outcomes. Accordingly, in this prospective cohort study, we investigated the association between tub bathing frequency and the onset of functional disability among older people in Japan.Methods: We used data from the Japan Gerontological Evaluation Study (JAGES). The baseline survey was conducted from August 2010 to January 2012 and enrolled 13,786 community-dwelling older people (6,482 men and 7,304 women) independent in activities of daily living. During a 3-year observation period, the onset of functional disability, identified by new certification for need of Long-Term Care Insurance, was recorded. Tub bathing frequencies in summer and winter at baseline were divided into 3 groups: low frequency (0-2 times/week), moderate frequency (3-6 times/week), and high frequency (≥ 7 times/week). We estimated the risks of functional disability in each group using a multivariate Cox proportional hazards model.Results: Functional disability was observed in a total of 1,203 cases (8.7%). Compared with the low-frequency group and after adjustment for 14 potential confounders, the hazard ratios (95% confidence intervals) of the moderate- and high-frequency groups were 0.91 (0.75-1.10) and 0.72 (0.60-0.85) for summer and 0.90 (0.76-1.07) and 0.71 (0.60-0.84) for winter.Conclusion: High tub bathing frequency is associated with lower onset of functional disability. Therefore, tub bathing might be beneficial for older people’s health.

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外部データベース (DOI)

Twitter (65 users, 66 posts, 61 favorites)

https://t.co/FohT78JRKN 介入じゃない研究だと体調がいいからお風呂に入る(湯船の準備って大変というか心に余裕が無いとできないと思う)という経路が容易に思いつくので,どういう工夫で排除したのかを追えない記事はゴ… https://t.co/5tpoL1Xbde
話題になってる風呂のはこれか、FREE ACCESSやね: “Bathing Frequency and Onset of Functional Disability among Japanese Older Adults: A… https://t.co/G90OfH9174
論文は、Journal of Epidemiology(日本疫学会の機関紙)に掲載のこの論文のようだ。Yagi etr al.(2018) "Bathing Frequency and Onset of Functional Di… https://t.co/VBOFh7cEW0
ちょっと結論づけるのはまだ早い気はします。論文は以下から読めますが、質問紙法の研究で、ベースラインのADLを客観的かつ定量的に評価した研究ではないため、自立していてもADLが低めの人が入浴回数が少ないだけ、の可能性は十分にあると思… https://t.co/KQuH7dD6mV
このJAGES研究かな: https://t.co/W9EnGqBVv7 https://t.co/d6i2yP2pNi

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