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Table 1 2 × 2 table of the single item screener using the “depressive mood” definition and the “major depressive disorder” definition of the 9-item Patient Health Questionnaire (PHQ-9) as reference standard

From: Diagnostic utility of a one-item question to screen for depressive disorders: results from the KORA F3 study

 

Single item screener

Total

PHQ-9 “depressive mood”

Positive

Negative

 

Abnormal

406

475

881

Normal

130

2139

2269

PHQ-9 “major depressive disorder”

   

Abnormal

169

35

204

Normal

367

2579

2946

Total

536

2614

3150

  1. PHQ-9: 9-item depression module of the Patient Health Questionnaire.