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Takumi Hirata

Biographic Data

ID6187546
NAMETakumi Hirata
GIVEN NAMESTakumi
FAMILY NAMEHirata
SIGNATUREHIRATA T
AFFILIATIONSTohoku University
ORCID0000-0003-2899-6762
VERIFIEDYes
TOTAL WORKS8
TOTAL CITATIONS0
WORKS AS AUTHOR8
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2019
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Does the Japan Science and Technology Agency Index of Competence ( JST ‐ IC ) Predict Mortality? Findings From the Sonic Study

    Open Access•Yukie Masui, Yuko Yoshida et al.•ARTICLE•Geriatrics and gerontology…•2026

    A higher Japan Science and Technology Agency Index of Competence (JST-IC) score-an index of higher-level functional ability among older Japanese adults-was associated with a lower long-term risk of all-cause mortality, with significant associations observed across all age groups and among those in their 80s, but not among those in their 70s.

  • The Current Challenges and Future Prospects of the Japan Science and Technology Agency Index of Competence ( JST ‐ IC )

    Open Access•Hajime Iwasa, Takao Suzuki et al.•ARTICLE•Geriatrics and gerontology…•2026

    Data sharing not applicable to this article as no datasets were generated or analyzed during the current study.

  • Longitudinal Association Between the Carotid Intima‐Media Thickness and Sarcopenia in an Older Japanese Population

    Open Access•Ken Terashima, Hiroshi Akasaka et al.•ARTICLE•Geriatrics and gerontology…•2026

  • Development of a predictive model for long-term care and support eligibility certification associated with dementia-related functional impairments

    Open Access•Daichi Yamashiro, Hiroyuki Suzuki et al.•ARTICLE•BMC Public Health•2025

    The Long-Term Care Insurance (LTCI) system in Japan provides a framework for assessing dementia-related functional decline, enabling the development of predictive models based on daily functional independence. This study aimed to develop and validate risk prediction models for dementia-related functional impairments using data from the Integrated Research Initiative for Living Well with Dementia Cohort Study (IRIDE-CS), integrating multiple cohor…

  • The Function of Leisure Activity Measure (FLAM)

    Can Wang, Takeshi Nakagawa et al.•ARTICLE•Leisure Sciences•2025•References: 34

  • Estimated 24 h Urinary Sodium-to-Potassium Ratio Is Related to Renal Function Decline

    Open Access•Hiroko Hattori, Aya Hirata et al.•ARTICLE•International Journal of…•2020

    The effect of the sodium-to-potassium ratio (Na/K) on renal function within the clinically normal range of renal function are limited. We investigated the effects of an estimated 24 h urinary Na/K (e24hUNa/K) on a 6-year renal function decline among 927 urban Japanese community dwellers with no history of cardiovascular diseases and medication for hypertension, diabetes, or dyslipidemia. We partitioned the subjects into quartiles according to the…

  • Being Conscious of Water Intake Positively Associated with Sufficient Non-Alcohol Drink Intake Regardless of Seasons and Reasons in Healthy Japanese; the Kobe Study

    Open Access•Tomofumi Nishikawa, Naomi Miyamatsu et al.•ARTICLE•International Journal of…•2019

    The present study sought to clarify if being conscious of water intake (CWI) is associated with sufficient non-alcohol drink (NAD) intake. We used data of healthy participants without diabetes, aged 40-74 years, in the Kobe Orthopedic and Biomedical Epidemiologic (KOBE) study. The association between being CWI and NAD intake was evaluated by multivariate linear regression analyses after adjusting for age, sex, surveyed months (seasons), alcohol d…

  • Relative validity of brief-type self-administered diet history questionnaire among very old Japanese aged 80 years or older

    Open Access•Satomi Kobayashi, Xiaoyi Yuan et al.•ARTICLE•Public Health Nutrition•2019

    Objective Dietary questionnaires for assessing dietary intakes among populations of individuals aged 80 years or older (the very old) are very limited. We examined the relative validity of forty-three nutrients and twenty-seven food groups estimated by a brief-type self-administered diet history questionnaire (BDHQ) targeting very old Japanese, using semi-weighed dietary records (DR) as a reference. Design Between June and August 2012 and between…

No prominent works on this page.

  • Being Conscious of Water Intake Positively Associated with Sufficient Non-Alcohol Drink Intake Regardless of Seasons and Reasons in Healthy Japanese; the Kobe Study

    Open Access•Tomofumi Nishikawa, Naomi Miyamatsu et al.•ARTICLE•International Journal of…•2019

    The present study sought to clarify if being conscious of water intake (CWI) is associated with sufficient non-alcohol drink (NAD) intake. We used data of healthy participants without diabetes, aged 40-74 years, in the Kobe Orthopedic and Biomedical Epidemiologic (KOBE) study. The association between being CWI and NAD intake was evaluated by multivariate linear regression analyses after adjusting for age, sex, surveyed months (seasons), alcohol d…

  • Relative validity of brief-type self-administered diet history questionnaire among very old Japanese aged 80 years or older

    Open Access•Satomi Kobayashi, Xiaoyi Yuan et al.•ARTICLE•Public Health Nutrition•2019

    Objective Dietary questionnaires for assessing dietary intakes among populations of individuals aged 80 years or older (the very old) are very limited. We examined the relative validity of forty-three nutrients and twenty-seven food groups estimated by a brief-type self-administered diet history questionnaire (BDHQ) targeting very old Japanese, using semi-weighed dietary records (DR) as a reference. Design Between June and August 2012 and between…

  • Estimated 24 h Urinary Sodium-to-Potassium Ratio Is Related to Renal Function Decline

    Open Access•Hiroko Hattori, Aya Hirata et al.•ARTICLE•International Journal of…•2020

    The effect of the sodium-to-potassium ratio (Na/K) on renal function within the clinically normal range of renal function are limited. We investigated the effects of an estimated 24 h urinary Na/K (e24hUNa/K) on a 6-year renal function decline among 927 urban Japanese community dwellers with no history of cardiovascular diseases and medication for hypertension, diabetes, or dyslipidemia. We partitioned the subjects into quartiles according to the…

  • Development of a predictive model for long-term care and support eligibility certification associated with dementia-related functional impairments

    Open Access•Daichi Yamashiro, Hiroyuki Suzuki et al.•ARTICLE•BMC Public Health•2025

    The Long-Term Care Insurance (LTCI) system in Japan provides a framework for assessing dementia-related functional decline, enabling the development of predictive models based on daily functional independence. This study aimed to develop and validate risk prediction models for dementia-related functional impairments using data from the Integrated Research Initiative for Living Well with Dementia Cohort Study (IRIDE-CS), integrating multiple cohor…

  • The Function of Leisure Activity Measure (FLAM)

    Can Wang, Takeshi Nakagawa et al.•ARTICLE•Leisure Sciences•2025•References: 34

  • Does the Japan Science and Technology Agency Index of Competence ( JST ‐ IC ) Predict Mortality? Findings From the Sonic Study

    Open Access•Yukie Masui, Yuko Yoshida et al.•ARTICLE•Geriatrics and gerontology…•2026

    A higher Japan Science and Technology Agency Index of Competence (JST-IC) score-an index of higher-level functional ability among older Japanese adults-was associated with a lower long-term risk of all-cause mortality, with significant associations observed across all age groups and among those in their 80s, but not among those in their 70s.

  • The Current Challenges and Future Prospects of the Japan Science and Technology Agency Index of Competence ( JST ‐ IC )

    Open Access•Hajime Iwasa, Takao Suzuki et al.•ARTICLE•Geriatrics and gerontology…•2026

    Data sharing not applicable to this article as no datasets were generated or analyzed during the current study.

  • Longitudinal Association Between the Carotid Intima‐Media Thickness and Sarcopenia in an Older Japanese Population

    Open Access•Ken Terashima, Hiroshi Akasaka et al.•ARTICLE•Geriatrics and gerontology…•2026

Medicine (5 works) · Gerontology (4 works) · Demography (3 works) · Demography (3 works) · Environmental health (3 works) · Internal Medicine (3 works) · Biology (2 works) · Cohort (2 works) · Cohort study (2 works) · Epidemiology (2 works)

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