Dataset Information

Capturing the Severity and Impairment Associated With Depression: The Overall Depression Severity and Impairment Scale (ODSIS) Validation in a Spanish Clinical Sample.

ABSTRACT: Background: The Overall Depression Severity and Impairment Scale (ODSIS) is a self-report scale designed to evaluate the severity and functional impairment associated with depression. Objective: This study evaluated the psychometric properties of the online version of the ODSIS in Spanish outpatients with depression and anxiety disorders. Method: Patients with a main diagnosis of a depressive (n = 283) or anxiety disorder (n = 191) and a mean age of 38.15 (SD = 12.06) were evaluated with a clinical diagnostic interview and measures assessing depression, anxiety, positive and negative affect, and quality of life. Factorial structure, internal consistency, convergent, and discriminant validity and cutoff scores were analyzed. Results: Consistent with previous validations of the instrument, Confirmatory Factor Analysis showed a unidimensional factor structure. Furthermore, the results obtained supported the internal consistency and construct validity of the ODSIS scores. A score of 5 was found to meet the criteria used in this study for the optimal cutoff score. Conclusion: The results obtained in this study show that the Spanish version of the ODSIS delivered online is an adequate tool to assess the depression-related severity and impairment in a brief and easy fashion.

SUBMITTER: Mira A

PROVIDER: S-EPMC6465570 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Capturing the Severity and Impairment Associated With Depression: The Overall Depression Severity and Impairment Scale (ODSIS) Validation in a Spanish Clinical Sample.

Mira Adriana A González-Robles Alberto A Molinari Guadalupe G Miguel Clara C Díaz-García Amanda A Bretón-López Juana J García-Palacios Azucena A Quero Soledad S Baños Rosa R Botella Cristina C

Frontiers in psychiatry 20190409

Background: The Overall Depression Severity and Impairment Scale (ODSIS) is a self-report scale designed to evaluate the severity and functional impairment associated with depression. Objective: This study evaluated the psychometric properties of the online version of the ODSIS in Spanish outpatients with depression and anxiety disorders. Method: Patients with a main diagnosis of a depressive (n = 283) or anxiety disorder (n = 191) and a mean age of 38.15 (S ...[more]

PMID: 31024352

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Project description:BackgroundAn automated web-based assessment and monitoring system ( www.psynary.com ) has been developed to assist non-specialist clinicians in managing common mood and anxiety disorders. Psynary promotes the use of standardised outcome measures to assess symptom severity and optimise treatments with the aim of improving outcomes and enabling faster recovery. This paper analyses the results from two parallel studies in New Zealand and Japan (OptiMA-1 NZ and Japan) to assess the validity of the R8 Depression scale, one of the system's core outcome measures.MethodsClinical samples were recruited from a public secondary care and a private psychiatry clinic. Participants completed the outcome measures for the study via the online Psynary system. The R8 Depression scale is a 30-item questionnaire which includes all symptom domains covered in the ICD-10 classification of depression. The Patient Health Questionnaire (PHQ-9) was completed at the same time points as the R8 Depression, with a smaller sample also completing a paper-based Quick Inventory of Depressive Symptomatology (QIDS-SR16). Internal validity was quantified via Cronbach's alpha and Guttman lower bounds method. External validation against the PHQ-9 and QIDS used the Pearson's and Kendall's correlation coefficients. Severity categories were set using a multivariate regression model.Results270 patients participated in the study and completed a maximum of 1 baseline and 5 reviews within a 90-day period, giving a total of 1124 assessments with the PHQ-9 also being completed in 1053 of these assessments. R8 Depression normative data was also collected from 204 non-clinical volunteers with 187 of these also completing the PHQ9. Internal reliability scores were all higher than 0.9 (n = 1328). There was overall good external validity when comparing the R8 Depression to the PHQ-9, with a correlation of 0.91 for the combined normative and clinical samples (n = 1240).ConclusionsThe R8 Depression has been developed as a patient-rated outcome measure for depression for administration on an online system called "Psynary". It has high internal and external validity against current widely used scales. Further work is underway to determine the sensitivity to change of the R8 Depression.

Project description:BackgroundResearch on depression among Caribbean children has been limited by a lack of valid and reliable measures. We addressed this problem by exploring the internal consistency reliability and the concurrent and discriminant validity of the Kutcher Adolescent Depression Rating Scale (KADS) among a wide cross-section of the student population attending elementary schools in Jamaica and Barbados.MethodsStudents enrolled in grade 6 in a cross-section of schools in Jamaica and Barbados were invited to participate in the study. Schools included a balance of government-funded public schools and privately funded preparatory schools. All schools that were invited to participate accepted, and all grade 6 classrooms in each school were sampled. The following instruments were administered to the students during the fall semester of 2015: KADS, Adolescent Depression Rating Scale (ADRS), major depression disorder subscale of the Revised Children's Anxiety and Depression Scale (RCADS), and state and trait anxiety visual analogue scales.ResultsIn total, 759 children (376 girls [49.5%] and 363 boys [47.8%]; in 20 cases [2.6%], sex was missing) with a mean age of 10.7 (standard deviation 0.66) years (median 11.0 yr) took part in the study. Overall, the KADS had an acceptable degree of reliability (α = 0.76). The instrument had reasonably good concurrent validity, as evidenced by strong correlations with scores on the ADRS (r = 0.62) and the major depression disorder subscale of the RCADS (r = -0.61). It had acceptable discriminant validity, as shown through low correlations with the state and trait anxiety visual analogue scales (r = 0.21 and 0.18, respectively). This pattern of results suggests that a large part (37%) of the variance underlying the KADS assesses depression, and a smaller degree of the variance (3%-4%) measures a conceptually similar but distinct concept.InterpretationThe KADS is a reliable and valid measure for assessing depressive symptoms among Jamaican and Barbadian elementary school students. The sample may not be representative of all Caribbean children.

Dataset Information

Capturing the Severity and Impairment Associated With Depression: The Overall Depression Severity and Impairment Scale (ODSIS) Validation in a Spanish Clinical Sample.

Publications

Capturing the Severity and Impairment Associated With Depression: The Overall Depression Severity and Impairment Scale (ODSIS) Validation in a Spanish Clinical Sample.

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