Document Detail

Measurement properties and comparative performance of health literacy screening questions in a predominantly low income African American population with diabetes.
MedLine Citation:
PMID:  25082723     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To examine the measurement properties of the 16 screening questions (16-SQ) of inadequate health literacy (HL) and their briefer version (3-SQ), and identify the best screen for inadequate HL in non-white populations.
METHODS: Sample included 378 individuals with type-2 diabetes. We computed sensitivity, specificity, positive and negative likelihood ratios, and C-indices, using the s-TOFHLA as a reference measure. We also conducted exploratory factor analysis, and used structural equation modeling (SEM) for confirmatory purposes.
RESULTS: Mean age was 56.1 years, 69% were female, and 83% were African-American. 10% had limited HL (s-TOHFLA scores <23). Six questions (6-SQ) were identified and included in the final item-reduced factor analysis, which showed good fit in confirmatory SEM (chi-square=9.5; P=0.305; RMSEA=0.023). Weighted summative score of the 6-SQ and the item "difficulty understanding written information" performed better than the 3-SQ in identifying patients with inadequate HL (C-indices 0.67 versus 0.75).
CONCLUSION: The weighted summative score of the 6-SQ and the item "difficulty understanding written information" performed better than the other items or combinations of these items in identifying individuals with inadequate HL.
PRACTICE IMPLICATIONS: The proposed weighting of scores could be applied in studies using these screening questions for better classification of inadequate HL.
Fatima Al Sayah; Sumit R Majumdar; Leonard E Egede; Jeffrey A Johnson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-14
Journal Detail:
Title:  Patient education and counseling     Volume:  -     ISSN:  1873-5134     ISO Abbreviation:  Patient Educ Couns     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-8-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8406280     Medline TA:  Patient Educ Couns     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
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