“…As a short and objective self-report measure showing strong properties as a screening tool 11 , researchers have tested its psychometric characteristics in several settings. In this context, over the last decade, GAD-7 has been presented as a reliable and valid questionnaire in different languages 14,15,16,17,18 including Portuguese 19 , with heterogeneous psychiatric samples 20,21 for specific medical conditions 22,23,24,25 in the general population 26 and in geriatric samples 27 . However, the one-dimensional nature of GAD-7 proposed by the original model is not consistent in the literature.…”