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Multicenter Study
. 2008 May;23(5):561-6.
doi: 10.1007/s11606-008-0520-5. Epub 2008 Mar 12.

Validation of screening questions for limited health literacy in a large VA outpatient population

Lisa D Chew  1 , Joan M Griffin, Melissa R Partin, Siamak Noorbaloochi, Joseph P Grill, Annamay Snyder, Katharine A Bradley, Sean M Nugent, Alisha D Baines, Michelle Vanryn
Affiliations
Multicenter Study

Validation of screening questions for limited health literacy in a large VA outpatient population

Lisa D Chew et al. J Gen Intern Med. 2008 May.

Abstract

Objectives: Previous studies have shown that a single question may identify individuals with inadequate health literacy. We evaluated and compared the performance of 3 health literacy screening questions for detecting patients with inadequate or marginal health literacy in a large VA population VSports手机版. .

Methods: We conducted in-person interviews among a random sample of patients from 4 VA medical centers that included 3 health literacy screening questions and 2 validated health literacy measures. Patients were classified as having inadequate, marginal, or adequate health literacy based on the Short Test of Functional Health Literacy in Adults (S-TOFHLA) and the Rapid Estimate of Adult Literacy in Medicine (REALM) V体育安卓版. We evaluated the ability of each of 3 questions to detect: 1) inadequate and the combination of "inadequate or marginal" health literacy based on the S-TOFHLA and 2) inadequate and the combination of "inadequate or marginal" health literacy based on the REALM. .

Measurements and main results: Of 4,384 patients, 1,796 (41%) completed interviews. The prevalences of inadequate health literacy were 6. 8% and 4. 2%, based on the S-TOHFLA and REALM, respectively. Comparable prevalences for marginal health literacy were 7. 4% and 17%, respectively V体育ios版. For detecting inadequate health literacy, "How confident are you filling out medical forms by yourself. " had the largest area under the Receiver Operating Characteristic Curve (AUROC) of 0. 74 (95% CI: 0. 69-0. 79) and 0. 84 (95% CI: 0. 79-0. 89) based on the S-TOFHLA and REALM, respectively. AUROCs were lower for detecting "inadequate or marginal" health literacy than for detecting inadequate health literacy for each of the 3 questions. .

Conclusion: A single question may be useful for detecting patients with inadequate health literacy in a VA population VSports最新版本. .

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References

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