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Table 1 Items, response options and scoring system of the DTUD

From: The decision tool unipolar depression (DTUD): a new measure to facilitate the early identification of patients with major depressive disorder in need of highly specialized care

Itema

Response options

Score

1

Severe depression

Yes

1

No

0

2

Previous unsuccessful treatment of the index depressive episode in specialized care and a recurrent or chronic course

Yes

1

No

0

3

Treatment-interfering comorbid personality disorder

Yes

1

No

0

4

Treatment-interfering comorbid substance use disorder

Yes

1

No

0

5

Other treatment-interfering psychiatric comorbidity

Yes

1

No

0

6

Treatment-interfering somatic comorbidity

Yes

1

No

0

7

Treatment-interfering maladaptive coping

Yes

1

No

0

8

Severe or longstanding childhood trauma

Yes

1

No

0

9

Social factors maintaining the depression

Yes

1

No

0

10

Severe psychosocial dysfunctioning

Yes

1

No

0

  1. a Item text is abbreviated. An English translation of the complete DTUD is presented in Additional file 1