GAD1 and generalized anxiety disorder: The two somatic-emotional items 1 and 4 had the best UI+ scores for the lowered GAD cut-offs and for moderate GAD (cut-off ≥ 7, ≥ 8, and ≥ 10) and the best UI- scores for lowered GAD cut-offs (cut-off ≥ 7 and ≥ 8).