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Cavanaugh KL, Osborn CY, Tentori F, et al. Performance of a brief survey to assess health literacy in patients receiving hemodialysis. Clin Kidney J. 2015;8(4):462-8doi: 10.1093/ckj/sfv037.
Cavanaugh, K. L., Osborn, C. Y., Tentori, F., Rothman, R. L., Ikizler, T. A., & Wallston, K. A. (2015). Performance of a brief survey to assess health literacy in patients receiving hemodialysis. Clinical kidney journal, 8(4), 462-8. https://doi.org/10.1093/ckj/sfv037
Cavanaugh, Kerri L, et al. "Performance of a brief survey to assess health literacy in patients receiving hemodialysis." Clinical kidney journal vol. 8,4 (2015): 462-8. doi: https://doi.org/10.1093/ckj/sfv037
Cavanaugh KL, Osborn CY, Tentori F, Rothman RL, Ikizler TA, Wallston KA. Performance of a brief survey to assess health literacy in patients receiving hemodialysis. Clin Kidney J. 2015 Aug;8(4):462-8. doi: 10.1093/ckj/sfv037. Epub 2015 Jun 10. PMID: 26251719; PMCID: PMC4515892.
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Clin Kidney J. 2015 Aug;8(4):462-8. doi: 10.1093/ckj/sfv037. Epub 2015 Jun 10.

Performance of a brief survey to assess health literacy in patients receiving hemodialysis.

Clinical kidney journal

Kerri L Cavanaugh, Chandra Y Osborn, Francesca Tentori, Russell L Rothman, Talat Alp Ikizler, Kenneth A Wallston

Affiliations

  1. Division of Nephrology, Department of Medicine , Vanderbilt University , Nashville, TN , USA ; Vanderbilt Center for Kidney Disease , Nashville, TN , USA.
  2. Department of Medicine & Biomedical Informatics , Vanderbilt University , Nashville, TN , USA.
  3. Arbor Research , Ann Arbor, MI , USA.
  4. Department of Medicine & Pediatrics , Vanderbilt University , Nashville, TN , USA.
  5. Vanderbilt University School of Nursing , Nashville, TN , USA.

PMID: 26251719 PMCID: PMC4515892 DOI: 10.1093/ckj/sfv037

Abstract

BACKGROUND: Health literacy is associated with important outcomes among patients with kidney disease, but widely used measures of health literacy can be burdensome. In an effort to make a practical assessment available, we compared the performance of the three-item brief health literacy screen (BHLS) to other widely used measures of health literacy among patients with end-stage renal disease (ESRD).

METHODS: Adult hemodialysis patients (n = 150) from four urban dialysis facilities participated in a cross-sectional study from 2009 to 2012. Three health literacy measures were administered including (i) the rapid estimate of adult literacy in medicine (REALM), (ii) the short test of functional health literacy in adults (S-TOFHLA) and (iii) the three-item BHLS. The mini-mental state exam assessed cognitive status, and the chronic hemodialysis knowledge survey (CHeKS) and perceived kidney disease knowledge survey (PiKS) assessed kidney knowledge. Spearman's ρs and area under the receiver-operating curves examined relationships between the aforementioned variables.

RESULTS: Participants had received dialysis for a mean of 4.6 years. They were 49% female, 73% African American and averaged 52 years of age. Less education and less cognitive capacity were each associated (P < 0.05) with lower health literacy for all three health literacy measures. Performance on the BHLS was significantly associated with the REALM [0.35 (95% confidence interval (95% CI): 0.20-0.49); P < 0.001] and S-TOFHLA [0.49 (95% CI: 0.35-0.69); P < 0.001], the CHeKS [0.43 (95% CI: 0.28-0.55); P < 0.001] and PiKS [0.41 (95% CI: 0.27-0.54); P < 0.001].

CONCLUSIONS: The BHLS demonstrates evidence of construct validity among ESRD patients. Furthermore, health literacy was associated with kidney knowledge, supporting it as a potential intervention target to improve outcomes among patients with lower health literacy.

Keywords: dialysis; health literacy; knowledge; patient education; validation

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