杉森 裕樹 スポーツ・健康科学部 看護学科 教授
The 14-item health literacy scale for Japanese adults (HLS-14).
OBJECTIVES: Most existing tools for measuring health literacy (HL) focus on
reading comprehension and numeracy in English speakers. The aim of this study was
to develop a generic HL measure for Japanese adults.
METHODS: A questionnaire survey was conducted among participants in multiphasic
health examinations at a Japanese healthcare facility. HL was measured using the
14-item health literacy scale (HLS-14) that was adapted from the HL scale
specific to diabetic patients developed by Ishikawa and colleagues. The 14 items
consist of five items for functional HL, five items for communicative HL, and
four items for critical HL. The reliability and validity of the HLS-14 were
assessed among 1,507 eligible respondents aged 30-69 years.
RESULTS: Explanatory factor analysis produced a three-factor solution that was
very similar to the original HL scale. Cronbach's alpha indicated satisfactory
internal consistency of the functional, communicative, and critical HL scores
(0.83, 0.85, and 0.76, respectively). There were no floor or ceiling effects in
each HL score. Confirmatory factor analysis revealed an acceptable fit of the
three-factor model (comparative fit index = 0.912, normed fit index = 0.905, root
mean square error of approximation = 0.082). When the two groups with a total HL
score above and below the median (50), respectively, were compared, those who
could obtain medication information satisfactorily and those who wanted to
participate in making medication decisions were more frequently observed in the
group with the higher score.
CONCLUSIONS: The HLS-14 demonstrated adequate reliability and validity as a
generic HL measure for Japanese adults. This scale can be utilized for measuring
functional, communicative, and critical HL in the clinical and public health
Suka M(1), Odajima T, Kasai M, Igarashi A, Ishikawa H, Kusama M, Nakayama T,
Sumitani M, Sugimori H.
共著 Environ Health Prev Med. 2013 Sep;18(5):407-15. doi: 10.1007/s12199-013-0340-z. 18(5),pp.407-415 2013/09
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