Development and validation of the high blood pressure-focused health literacy scale |
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Authors: | Kim Miyong T Song Hee-Jung Han Hae-Ra Song Youngshin Nam Soohyun Nguyen Tam Hieu Lee Ho-Chang Benjamin Kim Kim B |
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Institution: | Johns Hopkins University School of Nursing, Baltimore, MD 21205-2110, USA. mkim@son.jhmi.edu |
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Abstract: | ObjectiveWhile the role of health literacy in chronic disease management is well documented, few intervention studies have been reported. A major barrier to designing and implementing such interventions is the lack of valid health literacy tools. This study developed and tested a novel health literacy scale for individuals with high blood pressure (HBP).MethodsA two-step design process was used: In the construction phase, focus group studies and a literature review were conducted to generate a pool of items. The testing phase involved a psychometric evaluation and pilot-testing of the scale on hypertensive Korean Americans (n = 386). The end product was a HBP-health literacy scale (HBP-HLS) with two essential domains, print literacy and functional health literacy.ResultsPsychometric testing indicated that the scale was reliable (Kuder–Richardson-20 coefficient = 0.98), valid (content validity index ≥0.8), and significantly correlated with theoretically selected variables (education, r = 0.67, p < 0.01; HBP knowledge, r = 0.33, p < 0.01).ConclusionThe HBP-HLS demonstrated its utility for evaluating HBP management interventions in the community setting.Practice implicationsUtilizing the HBP-HLS should be considered as a potential tool for improving health literacy and evaluating intervention studies in the context of HBP management. |
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Keywords: | Health literacy High blood pressure Validation |
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