Establishing the HLS-Q12 short version of the European Health Literacy Survey Questionnaire: latent trait analyses applying Rasch modelling and confirmatory factor analysis Finbråten, Hanne Søberg, Larsson, Bodil Wilde, Nordström, Gun, Pettersen, Kjell Sverre, Trollvik, Anne, Guttersrud, Øystein (2018-06-28)