Association of Aging Trajectories in the Japan Science and Technology Agency Index of Competence With Instrumental Activities of Daily Living Among Community‐Dwelling Older Japanese Adults: The Otassha Study
The JST-IC scores gradually declined in all groups, even among those who maintained their TMIG-IC scores. The low JST-IC trajectory group-particularly low technology usage, information practices, and social engagement-was associated with the onset of IADL impairment.
Authors
- Yoshinori Fujiwara (ORCID: https://orcid.org/0000-0002-3384-1696)
- Manami Ejiri (ORCID: https://orcid.org/0000-0003-3544-4587)
- Kazushige Ihara (ORCID: https://orcid.org/0000-0003-3190-0290)
- Hisashi Kawai (ORCID: https://orcid.org/0000-0003-3015-6041)
- Takao Suzuki (ORCID: https://orcid.org/0000-0001-5489-0983)
- Keigo Imamura (ORCID: https://orcid.org/0000-0002-6440-670X)
- Hiroyuki Sasai (ORCID: https://orcid.org/0000-0001-8120-6163)
- Shuichi P. Obuchi (ORCID: https://orcid.org/0000-0003-0187-9275)
- Hirohiko Hirano
Institutions
- Hirosaki University (JP)
- Tokyo Metropolitan Institute of Gerontology (JP)
- National Center for Geriatrics and Gerontology (JP)
Publication Details
- Journal
- Geriatrics and gerontology international/Geriatrics & gerontology international
- Published
- 2025-10-21
- DOI
- https://doi.org/10.1111/ggi.70232
- Citations
- 2
- Primary Topic
- Health disparities and outcomes
- Type
- article
- Field-Weighted Citation Impact
- 4.33
Funders
- Japan Society for the Promotion of Science