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Table 3 Results of separate Logistic Regression Analyses assessing the ability of the DASS Anxiety Subscale and the Zung SAS, to individually and jointly predict anxiety disorder diagnoses on the PHQ

From: Screening for anxiety and depression: reassessing the utility of the Zung scales

A. DASS Anxiety Subscale only (Nagelkerke R 2 = .47)  
  b Sig. Odds Ratio SS ΔP
 DASS Anxiety Scale .297 <.001 1.346 .211
B. Zung SAS only (Nagelkerke R 2 = .40)   
  b Sig. Odds Ratio SS ΔP
 SAS .196 <.001 1.217 .202
C. Both scales entered as predictors (Nagelkerke R 2 = .49)
  b Sig. Odds Ratio SS ΔP
 DASS Anxiety Scale .215 <.001 1.240 .151
 SAS .082 .016 1.085 .083