“…The HLQ has been shown to have robust psychometric properties in its original version [ 21 , 22 ], as well as across European cultures [ 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ] and in some Asian and African cultures [ 32 , 33 , 34 ], supporting the initial nine-factor model and thus confirming its construct validity for use in a variety of settings. To allow assessment in communities and across specific populations with the aim of adaptation of services and structures to the health needs of people struggling with disease management or prevention, the HLQ has been translated and undergone validity testing in different countries and underlies the work done in the scope of the WHO National Health Literacy Demonstration Projects, in which Portugal is involved [ 10 ].…”