Table 3 The normalized path coefficients for the Social Support Rate Scale (SSRS), the General Self-Efficacy Scale (GSES), the Stanford Acute Stress Reaction (SASR) questionnaire, the Self-Rating Anxiety Scale (SAS), and the Pittsburgh Sleep Quality Index (PSQI) of the medical staff treating patients with COVID-19. Path Standardization coefficient Unstandardized coefficient Standard error Critical ratio P-value SAS <--- SSRS −0.565 −0.781 0.085 −9.165 *** SASR <--- SSRS −0.245 −0.704 0.233 −3.015 0.003 GSES <--- SSRS 0.304 0.023 0.006 3.723 *** SASR <--- SAS 0.259 0.539 0.169 3.189 0.001 GSES <--- SAS −0.179 −0.010 0.004 −2.184 0.029 PSQI <--- SAS 0.257 0.082 0.023 3.514 *** PSQI <--- SASR 0.255 0.039 0.010 3.937 *** PSQI <--- SSRS −0.046 −0.020 0.033 −0.616 0.538 PSQI <--- GSES −0.308 −1.820 0.380 −4.788 *** *** P<0.001 The data shown represent the scores of the questionnaires.