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Table 2 Results of separate Logistic Regression Analyses assessing the ability of the DASS Depression Subscale and the Zung SDS, to individually and jointly predict depression disorder diagnoses on the PHQ

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

A. DASS Depression Subscale only (Nagelkerke R 2 = .58)
  b Sig. Odds Ratio SS ΔP
 DASS Depression Scale .235 <.001 1.264 .286
B. Zung SDS only (Nagelkerke R 2 = .49)
  b Sig. Odds Ratio SS ΔP
 SDS .212 <.001 1.236 .278
C. Both scales entered as predictors (Nagelkerke R 2 = .60)
  b Sig. Odds Ratio SS ΔP
 DASS Depression Scale .173 <.001 1.189 .209
 SDS .090 .008 1.094 .116