Aging Trajectory of the Japan Science and Technology Agency Index of Competence (JST-IC): The Otassha Study
2024

Aging Trajectory of the JST-IC: The Otassha Study

Sample size: 775 publication

Author Information

Author(s): Kawai Hisashi, Imamura Keigo, Ejiri Manami, Sasai Hiroyuki, Fujiwara Yoshinori, Ihara Kazushige, Hirano Hirohiko, Obuchi Shuichi

Primary Institution: Tokyo Metropolitan Institute for Geriatrics and Gerontology

Hypothesis

This study compares the aging trajectory between the JST-IC and TMIG-IC among community-dwelling older Japanese individuals.

Conclusion

The JST-IC score gradually declined with age across all patterns, linked to declines in technology usage, life management, and social engagement.

Supporting Evidence

  • The JST-IC was developed to measure higher levels of competence than the TMIG-IC.
  • Three patterns of aging trajectories were identified for both JST-IC and TMIG-IC.
  • Scores for technology usage, life management, and social engagement declined with age.

Takeaway

As people get older, their ability to use technology and manage their lives tends to go down, according to a study of older adults in Japan.

Methodology

The study used group-based trajectory modeling to identify aging patterns in JST-IC and TMIG-IC scores.

Participant Demographics

Community-dwelling older Japanese individuals.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2600

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