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Table 1 Diagnostic characteristics and Youden J index to diagnose the presence of any disorder

From: Psychometric behaviour of the strengths and difficulties questionnaire (SDQ) in the Spanish national health survey 2006

SDQ cut pointa

Sensitivity

Specificity

Youden J

12.50

0,898

0,740

0,638

13.50

0,833

0,787

0,620

14.50

0,773

0,821

0,594

15.50

0,713

0,859

0,572

16.50 b

0,652

0,887

0,539

17.50

0,648

0,905

0,553

18.50

0,645

0,926

0,571

19.50 c

0,613

0,941

0,554

  1. a Positive result if the score is ≥ at the specified cut point.
  2. b Cut point proposed by Rodriguez Hernández J [20].
  3. c Cut point proposed by Goodman [4].
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BMC Psychiatry

ISSN: 1471-244X

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