Figure 1. Path diagram of the confirmatory factor model for the 13-item version (HLS-13 VN)
Rectangles indicate the observed variables (items) and ellipses the latent constructs (factors).
Values on the single-head arrows leading from the factors to the items are standardized FLs.
Values on the curved double-headed arrows are correlations between factors/errors.
fhl: functioning health literacy, chl: communicative health literacy, crhl: critical health literacy, df: degree of freedom, GFI: goodness-of-fit index, CFI: comparative fit index, TLI: Tucker-Lewis index, RMSEA: root mean squared error of approximation, PCLOSE: probability of close fit.
From: Translation and Validation of the Health Literacy Score-14 Questionnaire for Vietnamese Patients with Diabetes
