Diagnosing depression in primary care: a Rasch analysis of the major depression inventory.

ABSTRACT:

Objective

This study aims to assess the measurement properties of the Major Depression Inventory (MDI) in a clinical sample of primary care patients.

Design

General practitioners (GPs) handed out the MDI to patients aged 18-65 years on clinical suspicion of depression.

Setting

Thirty-seven general practices in the Central Denmark Region participated in the study.

Patients

Data for 363 patients (65% females, mean age: 49.8 years, SD: 17.7) consulting their GP were included in the analysis.

Main outcome measures

The overall fit to the Rasch model, individual item and person fit, and adequacy of response categories were tested. Statistical tests for local dependency, unidimensionality, differential item functioning, and correct targeting of the scale were p

SUBMITTER: Christensen KS 

PROVIDER: S-EPMC6454403 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature