Development of a depression diagnosis questionnaire in general practices - A feasibility study

• Conditions: F32; F33; Depressive episode; Recurrent depressive disorder

• Registration Number: DRKS00028950
• Lead Sponsor: Institut für Allgemeinmedizin und Versorgungsforschung der TUM

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2022-05-31
• Study Completion: 2022-07-31
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 286

Inclusion Criteria

Patients who meet the following criteria will be included in the study:
- Visit to a general practititoner's practice with planned personal contact with a general practitioner
- Age over 18 years
- Sufficient knowledge of German
- Written informed consent to participate in the study
In addition, the general practitioners who complete the depression questionnaire for the assessment of the patient should meet the following criteria:
- General practitioners (specialists in general medicine or internal medicine or general practitioners).
- General practitioners have their own practice
- Predominantly primary care

Exclusion Criteria

- Patient not capable of giving consent
- Patient does not have sufficient knowledge of the German language

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The structure of the questionnaire for the diagnosis of depression in general practices will be reviewed. <br>For this purpose, a consecutive inclusion of at least 200 patients and, in case of good recruitment, a maximum of 400 patients in approx. 5-10 general practices will take place. Use of the questionnaire battery with patients and general practitioners. An item analysis (raw score distribution, item difficulty, discriminatory power, homogeneity and dimensionality), as well as a factor analysis to identify the factor structure will be performed. In addition, potentials for improvement will be identified.

Secondary Outcome Measures

Name	Time	Method
A comparison of the new questionnaire for depression diagnostics in general practices with the PHQ-9 (convergent validity) and the other validated questionnaires takes place.