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  1. Article

    Open Access

    Association of functional competencies with vaccination among older adults: a JAGES cross-sectional study

    It is unknown whether higher functions in sublevels of competence other than instrumental activities of daily living (IADL) are associated with vaccinations. This study examined whether higher functions, inclu...

    Kousuke Iwai-Saito, Koryu Sato, Katsunori Kondo in Scientific Reports (2022)

  2. Article

    Open Access

    Frailty is associated with susceptibility and severity of pneumonia in older adults (A JAGES multilevel cross-sectional study)

    Pneumonia is a leading cause of mortality among older adults worldwide. Recently, several studies reported that frailty was associated with mortality among older adults hospitalized due to respiratory infectio...

    Kousuke Iwai-Saito, Yugo Shobugawa, Jun Aida, Katsunori Kondo in Scientific Reports (2021)