“…The articles that considered health literacy the response variable (n=11, 40.7%) (14,15,17,21,22,26,27,31,32,36,37) include the 5 instrument validation studies (18.5%) (22,26,31,32,37) , 4 population-based studies (14.8%) -2 in Taiwan (14,15) , 1 in Finland (27) and 1 intercontinental study (17) , -and 2 studies with diabetic patients (7.4%), carried out in Japan (21,36) . As for place of origin, studies carried out in North America predominated (n=13; 48.1%) (11,12,(18)(19)(20)23,24,(30)(31)(32)(33)(34)(35) , all of them in the United States. Six European studies were identified (22.2%): 2 from the Netherlands (7.4%) (13,29) , 1 from Ireland (3.7%) (25) , 1 from Finland (3.7%) (27) , 1 from Serbia (3.7%) (22) , and 1 jointly developed by 15 European countries (3.7%) (16) .…”