Comparison Study of the Different Abbreviated Versions of the Geriatric Depression Scale

Summary

This multicenter study conducted in several Portuguese institutions aims to compare the screening ability of the several Geriatric Depression Scale (GDS) validated versions for the Portuguese population (GDS-30, GDS-15, GDS-10 and GDS-5), as well as to establish their psychometric properties, using a large sample of elderly people with neurocognitive disorders attending social responses addressed to the elderly. Secondarily, cognitive state will be assessed.

Conditions

• Depression
• Depressive Disorder
• Neurocognitive Disorders
• Dementia

Interventions

OTHER

Battery of screening tests with semi-structured interview

First, participants will be administered the Mini-Mental State Examination to assess if they meet the inclusion criteria and an ID will be assigned to the participants that meet the criteria. Posteriorly, a clinical psychologist will administer the GDS-30, GDS-15, GDS-10 and GDS-5, the BDI-II and a semi-structured interview about depressive disorders according to the DSM-5 criteria. Participants with even ID's from each institution will be answer the instruments according to the order GDS-30, GDS-10, BDI-II, GDS-5 e GDS-15 and participants with odd ID's will answer the battery in the reverse order. The assessment session will take place in a single moment in time. After the assessment, the clinical psychologist will answer a questionnaire about which version was more easily understandable by the participants and the participants' preference regarding the GDS versions.

OTHER

Battery of screening tests without semi-structured interview

First, participants will be administered the Mini-Mental State Examination to assess if they meet the inclusion criteria an ID will be assigned to the participants that meet the criteria. Posteriorly, a psychologist will administer the GDS-30, GDS-15 and the BDI-II. Participants with even ID's from each institution will answer the instruments according to the order GDS-30, BDI-II and GDS-15 and participants with odd ID's the administration order will answer the battery in the reverse order. The assessment session will take place in a single moment in time.

Sponsors & Collaborators

• Rsocialform - Geriatria, Lda

  lead OTHER

Principal Investigators

• Susana I Justo Henriques, PhD · Cediara and Nursing School of Coimbra

• Enrique Pérez Saéz, PhD · CRE Alzheimer and University of Salamanca

• João L Alves Apóstolo, PhD · Nursing School of Coimbra

• Patrícia Otero Otero, PhD · University of A Coruña

• Fernando L Vázquez González, PhD · University of Santiago de Compostela

Eligibility

Min Age

65 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2020-03-01

Primary Completion

2020-11-30

Completion

2020-11-30

Countries

• Portugal

Study Locations