“…Among the 13 health literacy assessment instruments that were chosen in only one article (n=13), 7 (53.8%) referred to general health literacy assessment instruments (12,14,15,20,27,31,32) : NVS (Newest Vital Sign) (20) , MHLS (Mandarin Health Literacy Scale) (15) and Health LiTT (31) (Health Literacy Assessment Using Talking Touchscreen Technology) (n=3, 23.1%), which test the understanding of textual and numerical information (functional health literacy); METER (Medical Term Recognition Test) (32) and THLS (Taiwan Health Literacy Scale) (14) -modified version (n=2, 15.3%), which test term recognition in the area of health, also restricted to functional health literacy; Graphical Literacy Scale (12) (n=1, 7.7%), which tests the understanding of common graphic representations of numerical health information -therefore, also related to functional health literacy; the questionnaire inspired by eHE-ALS (eHealth Literacy Scale) (27) (n=1, 7.7%), which assesses informational health literacy, that is, functional health literacy, by means of statements that are judged by patients (whether they agree with the assertions or not -answers in a five-point Likert scale). The other 6 instruments (46.2%) (13,14,21,30,36) were considered as indirect health literacy assessments and approached the following themes: patient's feeling of trust in the interaction with the physician (1 instrument related to communicative health literacy) (13) ; health-promoting behaviors in adults (14) ; patient's perception of their own participation in health assistance (36) ; patient's perception of the physician's explanation (36) ; patient's perception of the clarity of medical explanations (21) ; and individual's distrust of the healthcare system (30) (5 instruments related to functional, communicative and critical health literacy).…”