Table 1

Overview of instruments per time point

Instrument

Screening

Baseline

2 months

3 months

6 months

9 months

12 months


Demographic variables

X

Beck Depression Inventory PC

X

Composite International Diagnostic Interview

X

Beck Depression Inventory II

X

X

X

X

X

X

Symptom Checklist 90

X

X

X

Work and Social Adjustment Scale

X

X

X

Dysfunctional Attitudes Scale

X

X

X

X

X

X

WHOQoL-BREF

X

X

X

EuroQol

X

X

X

X

X

Productivity and disease questionnaire

X

X

X

X

X


Note. In addition to the regular follow-up measurements, each month the health care use questionnaire will be administered.

de Graaf et al. BMC Public Health 2008 8:224   doi:10.1186/1471-2458-8-224

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