Note. * p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001 (adjusted controlling the false discovery rate [32]). Abbreviations: C-19: COVID-19; P.H.I.: Previous Health Issues; GAD-7: Generalized Anxiety Disorder 7-item; PGQ-15: Patient Health Questionnaire-15.