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Accepted for/Published in: Online Journal of Public Health Informatics

Date Submitted: Sep 6, 2025
Date Accepted: Dec 29, 2025

The final, peer-reviewed published version of this preprint can be found here:

Association Between Access to Health Information and Frailty in Older Japanese Adults: Web-Based Cross-Sectional Study

Hori N, Li J, Osuka Y

Association Between Access to Health Information and Frailty in Older Japanese Adults: Web-Based Cross-Sectional Study

Online J Public Health Inform 2026;18:e83642

DOI: 10.2196/83642

PMID: 41773661

PMCID: 12954718

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

Association between access to health information and frailty in older Japanese adults: a web-based survey

  • Noriko Hori; 
  • Jiaqi Li; 
  • Yosuke Osuka

ABSTRACT

Background:

Older adults often access traditional media, such as newspapers, magazines, television, and radio, for health information. However, frail older adults experience declines in physical functions and mental health, including depressive symptoms, and social functions due to reduced interaction with others, which may limit their access to these sources of information compared with non-frail older adults.

Objective:

This study aimed to identify the health information sources that are less accessible to frail older adults than non-frail individuals.

Methods:

A cross-sectional web-based survey was conducted among independent Japanese adults aged ≥75 years. We assessed frailty using the Questionnaire of Medical Checkup for Old-Old, with a score of ≥4 indicating frailty. Participants were asked whether they had accessed any health information source in the past year, including medical institutions, family members, friends or acquaintances, neighbors, government agencies, long-term care or welfare services, television, radio, the internet, magazines, newspapers, or books. The primary explanatory variable was frailty status. Covariates included age, sex, income, education, living arrangements, and health literacy, measured using the eHealth Literacy Scale.

Results:

In total, 1,032 participants (50.2% male; median age: 77 years) were analyzed. Multivariate logistic regression analysis revealed that frail participants had significantly less access to the following sources of information compared with non-frail individuals: family (odds ratio [OR] = 0.69; 95% confidence interval [CI]: 0.50–0.95), friends/acquaintances (OR = 0.70; 95% CI: 0.51–0.98), radio (OR = 0.50; 95% CI: 0.31–0.79), and newspapers (OR = 0.66; 95% CI: 0.50–0.88). Subgroup analyses based on sex revealed no significant interaction effects, indicating no heterogeneity in the findings.

Conclusions:

Frail older adults are less likely to obtain health information from interpersonal and traditional media sources than non-frail individuals. Health information providers need to devise strategies for delivering accurate information and improving usability to enable frail older adults to proactively access diverse health information.


 Citation

Please cite as:

Hori N, Li J, Osuka Y

Association Between Access to Health Information and Frailty in Older Japanese Adults: Web-Based Cross-Sectional Study

Online J Public Health Inform 2026;18:e83642

DOI: 10.2196/83642

PMID: 41773661

PMCID: 12954718

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