Characteristics
Domains assessed:
Numeracy, Conceptual Knowledge, Communication: Listener
Specific context:
Health Literacy
Validation sample population age:
Older Adults: 65+ years, Adults: 18 to 64 years
Modes of administration in validation study:
Computer-based
Psychometrics
Number of items:
98
Sample size in validation study:
245
Administration Time (minutes):
20 minutes
Language of validated version:
Spanish
Main article reference
Ownby, R., Acevedo, A., Waldrop-Valverde, D., Jacobs, R.J., Caballero, J., Davenport, R., Homs, A., Czaja, S., Lowenstein, D. (2013). Development and Initial Validation of a Computer-Administered Health Literacy Assessment in Spanish and English: FLIGHT/VIDAS, Patient Related Outcome Measures, 4:21-35.
Corresponding author
Raymond Ownby
Description
Development of a culturally-appropriate measure of health literacy with equivalent measure in English and clear validity in Spanish.
Year Measure first Published: 2013
About This Measure
Categorical scoring:
Yes
Scoring categories:
Response format is multiple choice. Scores on the 20-item booklet form can be related to levels of health literacy developed for national literacy surveys, including below basic, basic, intermediate, and proficient. Scoring and norms also allow for use a continuous measure. The test manual provides extensive information on domains assessed, measure development, and relations to other measures and other criteria (http://www.flightvidas.org) and is available for free download. Information on how scoring categories were developed and validated is also presented in Ownby RL et al (2019) Enhancing the impact of mobile health literacy interventions to reduce health disparities in Quarterly review of distance education 20 (1), 15-34. The author's version of this MS is available on PubMed at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6752043/.
About the Validation of this Measure
Country where validated:
United States of America
Content validity:
Test items were developed to sample a broad range of health-related content in Spanish and English using a combination of classical test theory and IRT techniques, with validation against established measures of health literacy and health-related quality of life. Extensive analyses of differential item functioning (DIF), and scaling to ensure measure equivalence were completed. Full data in the test manual, available for free download at http://www.flightvidas.org.
Reliability notes:
General Health Literacy (HL) a = .81; Numeracy (NUM) a = .83; Conceptual Knowledge (FACT) a = .58; Listening Comprehension (LIS) a = .56
