Validity and test-retest reliability of the Swedish version of the Geriatric Depression Scale among very old adults

© 2024. The Author(s)..

BACKGROUND: The Geriatric Depression Scale (GDS) has shown good validity and reliability, but few studies have examined the GDS among very old adults or the Swedish translation.

OBJECTIVES: Evaluate the validity and reliability of the Swedish version of GDS-15 among very old adults.

METHODS: In the Umeå85 + /GErontological Regional DAtabase (GERDA) study, 387 participants were assessed with both the GDS-15 and the Montgomery-Åsberg Depression Rating Scale (MADRS). The mean age was 91 years. Concurrent validity between the scales was calculated using Spearman's correlation. We used the Diagnostic and Statistical Manual of Mental Disorders (DSM) V symptom criteria for depression based on MADRS item scores to define depression. We calculated the Area Under the Curve (AUC) and found an optimal cut-off. A convenience sample with 60 individuals was used to calculate test-retest reliability with Cohen's kappa and Intraclass Correlation Coefficient (ICC).

RESULTS: Spearman's correlation coefficients between total scores for GDS-15 and MADRS were 0.60. Cronbach's alpha for the whole scale was 0.73. The AUC was 0.90 for distinguishing major depression, and the recommended cut-off of ≥ 5 showed a sensitivity of 95.2% and specificity of 65.8%. The test-retest showed that Cohen's kappa was substantial (0.71) and the ICC was excellent (0.95).

CONCLUSIONS: The Swedish version of the GDS-15 showed good validity and reliability among very old adults. The generally recommended cut-off of ≥ 5 seems reasonable to use with the Swedish version and among very old adults.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:24

Enthalten in:

BMC geriatrics - 24(2024), 1 vom: 18. März, Seite 261

Sprache:

Englisch

Beteiligte Personen:

Snellman, Sandra [VerfasserIn]
Hörnsten, Carl [VerfasserIn]
Olofsson, Birgitta [VerfasserIn]
Gustafson, Yngve [VerfasserIn]
Lövheim, Hugo [VerfasserIn]
Niklasson, Johan [VerfasserIn]

Links:

Volltext

Themen:

Aged 80 and over
Depression
Journal Article
Psychiatric status rating scales
Psychometrics
ROC curve

Anmerkungen:

Date Completed 20.03.2024

Date Revised 21.03.2024

published: Electronic

Citation Status MEDLINE

doi:

10.1186/s12877-024-04869-7

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM369896742