Conceptualization, development and psychometric evaluations of a new medication-related health literacy instrument: The chinese medication literacy measurement

Hsiang Wen Lin, Elizabeth H. Chang, Yu Ko, Chun Yu Wang, Yu Shan Wang, Okti Ratna Mafruhah, Shang Hua Wu, Yu Chieh Chen, Yen Ming Huang

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

There is a need for valid and reliable instruments to focus on medication aspects of health literacy and help healthcare professionals address patients’ barriers to medication use. This cross-sectional study describes the conceptualization, development, and psychometric properties of the first Chinese Medication Literacy Measurement (ChMLM) to assess the level of health literacy on medication use. The 17-item ChMLM (ChMLM-17) and its short form, 13-item ChMLM (ChMLM-13), consist of four sections (vocabulary, over-the-counter labels, prescription labels, and advertisements) to cover six domains of medication-related health literacy. Multistage stratified quota sampling was attempted to recruit a representative sample in Taiwan. Receiver operating characteristic curves were used to identify the cut-off point for differentiating high and low medication literacy. Psychometric analyses were performed (n = 1410) to assess the reliability and validity separately on all samples and sociodemographic subgroups. The 17-and 13-item versions both had high construct validity among all patients and patients with low medication literacy. The developed ChMLM-17 and ChMLM-13 is expected to help healthcare providers and researchers to accurately measure medication-related health literacy and improve medication use in the real-world practice.

Original languageEnglish
Article number6951
Pages (from-to)1-17
Number of pages17
JournalInternational journal of environmental research and public health
Volume17
Issue number19
DOIs
Publication statusPublished - Oct 1 2020

Keywords

  • Health literacy
  • Health professionals
  • Medication literacy
  • Psychometric properties

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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