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Table 2 GermanIMPACT outcome measures, instruments, and times of assessment

From: Collaborative treatment of late-life depression in primary care (GermanIMPACT): study protocol of a cluster-randomized controlled trial

Month

0

 

6

 

12*

Time of assessment

t0

 

t1

 

t2

Primary outcome

     

 Depression (PHQ-9)

X

 

X

 

X

Secondary outcomes

     

 Sociodemographic data

X

partial

partial

 Comorbidity (CDI, modified**)

X

 

–

 

X

 Anxiety (GAD-7)

X

 

X

 

X

 Pain (CPG, modified**)

X

 

X

 

X

 Resource utilization (FIMA)

X

 

X

 

X

 Preference-based quality of life (EQ-5D)

X

 

X

 

X

 Resilience (RS-13)

X

 

X

 

X

 Depression-related behavior (Ludman et al. [44], modified**)

X

 

X

 

X

 Problem-solving skills

X

 

X

 

X

 Current life situation

X

 

X

 

X

Intervention group only

     

 Evaluation of intervention

–

 

–

 

X

 Therapy preference questionnaire

X

 

–

 

–

 Depression (PHQ-9) - additional measures

–

each session

–

each session

–

  1. *Primary time of assessment (t 2 ) after intervention.
  2. **Linguistic and culture-specific modifications
  3. Abbreviations: PHQ-9, the Patient Health Questionnaire; CDI, the Comorbidity Disease Index; GAD-7, the seven-item Generalized Anxiety Disorder Scale; CPG, the Graded Chronic Pain Scale; FIMA, Fragebogen zur Inanspruchnahme medizinischer und nicht-medizinischer Versorgungsleistungen im Alter; EQ-5D, EuroQol Group; RS-13, the 13-item Resilience Scale.
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Trials

ISSN: 1745-6215