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The impact of low health literacy on surgical practice
Lisa D Chew1, Katharine A Bradley, David R Flum
1VA Puget Sound Health Care System, Health Services Research and Development (S-152), 1660 S. Columbian Way, Seattle, WA 98108, USA. lchew@u.wahington.edu
Background:
We sought to determine the prevalence of low health literacy (LHL) among patients in a preoperative clinic, the characteristics associated with LHL, and the association between LHL and adherence to preoperative instructions.
Methods:
We conducted a cohort study and interviewed patients at a VA preoperative clinic. We administered a health literacy test and collected sociodemographic information. When patients returned for their scheduled surgical procedures, adherence to preoperative instructions was assessed.
Results:
Of 332 participants, 12% (n = 40) had LHL. Low health literacy was more prevalent among older adults (more than 65 years) compared with those under age 65. Patients with LHL were more likely to be nonadherent to preoperative medication instructions (odds ratio = 1.9; 95% confidence interval: 0.8 to 4.8), but this was of borderline statistical significance.
Conclusions:
Low health literacy was common among older patients and appeared to be associated with lower adherence to preoperative medication instructions.
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