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Abstract
The role of patient-level risk factors such as insufficient vision has been understudied. Because insufficient vision may interfere with health literacy assessments, the full impact of low health literacy among older patients with impaired vision is unknown. We sought to determine whether senior inpatients’ insufficient vision and low health literacy are associated with adverse outcomes postdischarge, specifically falls and readmissions. We conducted an observational study of adult medicine inpatients at an urban hospital. Visual acuity and health literacy were screened at bedside. Outcomes data were collected by telephone 30 days postdischarge. Among 1,900 participants, 1,244 (65%) were reached postdischarge; 44% had insufficient vision and 43% had low health literacy. Insufficient vision was associated with postdischarge falls among participants ≥65 years (adjusted odds ratio [AOR] 3.38, 95% confidence interval [CI] 1.42–8.05), but not among participants <65 years (AOR 1.44, 95% CI 0.89–2.32). Low health literacy was associated with readmissions among participants ≥65 years (AOR 3.15, 95% CI 1.77–5.61), but not among participants <65 years (AOR 0.78, 95% CI 0.56–1.09). The results suggest the need to implement screening for older inpatients’ vision and health literacy. Developing effective interventions to reduce these risks is critical given national priorities to reduce falls and readmissions.
Acknowledgments
Preliminary versions of this work were presented in abstract form on September 5, 2014 (oral) and August 25, 2015 (poster) at the Midwest Society of General Internal Medicine Annual Meeting in Chicago, IL and Cleveland, OH, respectively.
Declaration of Interest
Dr. Hariprasad reports being a consultant or participating on a speaker’s bureau for Alcon, Allergan, Regeneron, Genentech, Optos, OD-OS, Bayer, Clearside Biomedical, and Ocular Therapeutix. All other authors have no conflicts of interest to report.
Funding
Mr. Jaffee is supported by a Calvin Fentress Research Fellowship. Dr. Press is supported by a career development award (NHLBI K23HL118151). This work was also supported by a pilot award from The Center on the Demography and Economics of Aging (CoA, National Institute of Aging P30 AG012857) and a Seed Grant from the Center for Health Administration Studies.
