Spanish validation of the Glasgow depression scale for people with intellectual disabilities (GDS-LD) and of the Glasgow depression care supplement scale (GDS-CS)
| DOI | https://doi.org/10.1108/AMHID-10-2022-0042 |
| Published date | 10 February 2023 |
| Date | 10 February 2023 |
| Pages | 47-58 |
| Subject Matter | Health & social care,Learning & intellectual disabilities |
| Author | Mercedes Hernandez Nuñez-Polo,Elena-María Lorenzo-Llamas,Maria-Concepcion Alonso-Rodriguez,Jose-Luis Ayuso-Mateos,Almudena Martorell |
Spanish validation of the Glasgow
depression scale for people with
intellectual disabilities (GDS-LD) and of
the Glasgow depression care supplement
scale (GDS-CS)
Mercedes Hernandez Nuñez-Polo, Elena-María Lorenzo-Llamas,
Maria-Concepcion Alonso-Rodriguez, Jose-Luis Ayuso-Mateos and Almudena Martorell
Abstract
Purpose –This study aims to validate a Spanish versionof the Glasgow Depression Scale for Learning
Disability(GDS-LD) and of the Glasgow DepressionCare Supplement Scale (GDS-CS).
Design/methodology/approach –The GDS-LDwas administered to 120 adults with mild and moderate
intellectualdisabilities and the GDS-CS to the staff from their occupationalworkshops (n= 120) t o detect
symptoms of depression.Internal consistency, inter-raterreliability, test-retest reliability,criterion validity,
constructvalidity and the feasibility andapplicability of both scales were analysed.
Findings –Both scales showed an adequate internal consistency (GDS-LD, a = 0.86) (GDS-CS, a =
0.88). Exploratory factor analysis revealed four well-defined factors in GDS-LD and three in GDS-CS.
Pearson correlationanalysis data has also been carried out with both tools for test-retest and inter-rater,
showinggood correlations.
Research limitations/implications –In terms, of limitations, the participants were recruited from the
same centre,so this could be a problem in terms of generalisation.In addition, the GDS-LD and GDS-CS
scales were developedfor people with mild and moderateID; it would be worth it to develop a versionfor
people withsevere and profound disabilities.
Practical implications –From its clinical perspective, it will be possible to have a specific tool that
assesses the symptoms of depression in the Spanish population with ID. Furthermore, as it is a user-
friendlyscale; it can be administrated by both mental health and otherprofessionals working in the field of
disability.
Originality/value –The Spanish version of the GDS-LD and GDS-CS showed adequate rates of
feasibility and reliability to assess symptoms depression among Spanish speakingadults with mild and
moderateID.
Keywords LearningDisability, Intellectual disability, Depression,Assessment, Validation,Mental health,
Scale,Mental health, Intellectualdisabilities
Paper type Technical paper
Introduction
The prevalence of depressive disorders in people with intellectual disabilities (ID) may vary
from one study to another and could yield estimates in a wide range between 1.3 and
9.28%.These rates are thought to be higher for people with mild and moderate ID than for
people with severe and profound ID conditions (Austin et al.,2018;Cooper et al., 2007;
(Informationabout the
authorscan be found at the
end of this article.)
Received 29 October 2022
Revised 11 January 2023
Accepted 12 January 2023
The authors would like to
thank research staff, study
participants and their relatives.
Funding: This study was
supported by a grant from
Carlos III Research Institute
(FIS, ref. no. PI16/00327)
through the European Regional
Development Fund (ERDF).
Ethical approval: The A LA PAR
Foundation’s Ethical Committee
approved the study. Only
participants who consented to
take part in the study were
interviewed.
DOI 10.1108/AMHID-10-2022-0042 VOL. 17 NO. 1 2023, pp. 47-58, ©Emerald Publishing Limited, ISSN 2044-1282 jADVANCES IN MENTAL HEALTH AND INTELLECTUAL DISABILITIES jPAGE 47
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