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Geographic Elevation and Cognitive Function among Elderly Residents in Rural Mountainous Areas: Shimane CoHRE Study

Author

Listed:
  • Tsuyoshi Hamano

    (Center for Community-Based Health Research and Education (CoHRE), Organization for the Promotion of Project Research, Shimane University, 223-8 Enya-cho, Izumo, Shimane 693-8501, Japan)

  • Keiichi Onoda

    (Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane 693-8501, Japan)

  • Miwako Takeda

    (Center for Community-Based Health Research and Education (CoHRE), Organization for the Promotion of Project Research, Shimane University, 223-8 Enya-cho, Izumo, Shimane 693-8501, Japan)

  • Kristina Sundquist

    (Center for Primary Health Care Research, Lund University, Clinical Research Centre (CRC), Building 28, floor 11, Jan Waldenströms gata 35, Skåne University Hospital, SE-205 02 Malmö, Sweden
    Stanford Prevention Research Center, Stanford University, Medical School Office Building (MSOB), 251 Campus Drive MC 5411, Stanford, CA 94305, USA)

  • Shuhei Yamaguchi

    (Department of Neurology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane 693-8501, Japan)

  • Toru Nabika

    (Center for Community-Based Health Research and Education (CoHRE), Organization for the Promotion of Project Research, Shimane University, 223-8 Enya-cho, Izumo, Shimane 693-8501, Japan
    Department of Functional Pathology, Shimane University School of Medicine, 89-1 Enya-cho, Izumo, Shimane 693-8501, Japan)

Abstract

The aim of this study was to test whether there is an association between elevation and cognitive function among elderly residents in rural mountainous areas. Data were collected in 2012 from a cross-sectional study conducted in Ohnan Town, which is located in a rural mountainous area in the southern part of Shimane Prefecture, Japan. Cognitive function was evaluated using CADi (Cognitive Assessment for Dementia, iPad version) and elevation was estimated by using Geographic Information Systems according to the participant’s address. After excluding subjects with missing data, 866 participants were analyzed. After adjustment for potential confounding factors, higher elevation was significantly associated with decreased cognitive function. This finding suggests that it is important to consider the physical environment, i.e. , elevation, that would affect accessibility to health-promoting goods, services, and resources when seeking to maintain cognitive function in elderly people living in rural mountainous areas.

Suggested Citation

  • Tsuyoshi Hamano & Keiichi Onoda & Miwako Takeda & Kristina Sundquist & Shuhei Yamaguchi & Toru Nabika, 2015. "Geographic Elevation and Cognitive Function among Elderly Residents in Rural Mountainous Areas: Shimane CoHRE Study," IJERPH, MDPI, vol. 12(10), pages 1-7, October.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:10:p:13365-13371:d:57688
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    References listed on IDEAS

    as
    1. Tsuyoshi Hamano & Masamitsu Kamada & Jun Kitayuguchi & Kristina Sundquist & Jan Sundquist & Kuninori Shiwaku, 2014. "Association of Overweight and Elevation with Chronic Knee and Low Back Pain: A Cross-Sectional Study," IJERPH, MDPI, vol. 11(4), pages 1-10, April.
    2. Tsuyoshi Hamano & Kazumichi Tominaga & Miwako Takeda & Kristina Sundquist & Toru Nabika, 2015. "Accessible Transportation, Geographic Elevation, and Masticatory Ability Among Elderly Residents of a Rural Area," IJERPH, MDPI, vol. 12(7), pages 1-9, June.
    3. Miwako Takeda & Tsuyoshi Hamano & Kunie Kohno & Shozo Yano & Kuninori Shiwaku & Toru Nabika, 2015. "Association Between Geographic Elevation, Bone Status, and Exercise Habits: The Shimane CoHRE Study," IJERPH, MDPI, vol. 12(7), pages 1-8, June.
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    Cited by:

    1. Rie Fukuoka & Miwako Takeda & Takafumi Abe & Masayuki Yamasaki & Shinji Kimura & Kenta Okuyama & Minoru Isomura & Toru Nabika, 2021. "Inconvenience of Living Place Affects Individual HbA1c Level in a Rural Area in Japan: Shimane CoHRE Study," IJERPH, MDPI, vol. 18(3), pages 1-9, January.
    2. Atsushi Motohiro & Takafumi Abe & Kenta Okuyama & Keiichi Onoda & Tomoko Ito & Minoru Isomura & Toru Nabika & Shunichi Kumakura, 2021. "Environmental Factors Affecting Cognitive Function among Community-Dwelling Older Adults: A Longitudinal Study," IJERPH, MDPI, vol. 18(16), pages 1-9, August.

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