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      Content Validity through Expert Judgment for the Depression Clinical Evaluation Test Translated title: Validez de contenido mediante juicio de expertos para el Test de Evaluación Clínica de la Depresión

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          Abstract

          Background/Objective

          The evaluation of depression requires valid and reliable measuring instruments, which collect a wide spectrum of symptoms that this disorder displays, in order to carry out an accurate and differential diagnosis. The objective of this work is the construction of the Depression Clinical Evaluation Test (DCET), where affective, somatic, cognitive, behavioral and interpersonal symptoms are considered and also analyze its content validity through an expert judgment.

          Method

          Based on different diagnostic and manual classifications, a specification table for a depression test was established. In its evaluation, 16 experts in Psychological Assessment, Psychometry and/or Psychopathology participated. A total of 300 items were created. The experts had to assess the items according to the criteria of Content, Relevance, Clarity, Comprehension, Sensitivity, and Offensiveness. In addition, 50 adults, evaluated the compression of the items.

          Results

          The degree of understanding for all the items was high and the expert judgment favoured the suppression of 104 items, thus obtaining a shorter measuring instrument with a total of 196 items for ease of application.

          Conclusions

          The content validity of the test is adequate and fits the agreed definition of depression.

          Translated abstract

          Antecedentes

          La evaluación de la depresión requiere de instrumentos de medida válidos, fiables y que recojan el amplio espectro de síntomas que este trastorno conlleva, para poder llevar a cabo un diagnóstico certero y diferencial. El objetivo de este trabajo es la construcción del Test de Evaluación Clínica de la Depresión (TECD), que contempla síntomas afectivos, somáticos, cognitivos, conductuales e interpersonales, y analizar su validez de contenido a través de un juicio de expertos.

          Método

          A partir de diferentes clasificaciones diagnósticas y manuales se estableció la tabla de especificación del test para este cuestionario de depresión. En la evaluación de este participaron 16 expertos en Evaluación Psicológica, Psicometría y/o Psicopatología. Se crearon 300 ítems en total, que los expertos tuvieron que valorar atendiendo a los criterios de Contenido, Relevancia, Claridad, Comprensión, Sensitividad y Ofensividad. Además, 50 adultos, valoraron la compresión de los items.

          Resultados

          El grado de comprensión de todos los ítems fue elevado y el juicio de expertos supuso la supresión de 104 ítems, obteniendo así un instrumento de medida más breve, con 196 ítems en total, lo que facilitará su aplicación.

          Conclusiones

          La validez de contenido del test es adecuada y se adapta a la definición de depresión establecida.

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          Most cited references31

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          An inventory for measuring clinical anxiety: Psychometric properties.

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            Prevalence of Depression in the Community from 30 Countries between 1994 and 2014

            The prevalence of depression may be affected by changes in psychiatric practices and the availability of online mental health information in the past two decades. This study aimed to evaluate the aggregate prevalence of depression in communities from different countries between 1994 and 2014 and to explore the variations in prevalence stratified by geographical, methodological and socio-economic factors. A total of 90 studies were identified and met the inclusion criteria (n = 1,112,573 adults) with 68 studies on single point prevalence, 9 studies on one-year prevalence, and 13 studies on lifetime prevalence of depression. A random-effects model meta-analysis that was performed to calculate the aggregate point, one-year and lifetime prevalence of depression calculated prevalences of 12.9%, 7.2% and 10.8% respectively. Point prevalence of depression was significantly higher in women (14.4%), countries with a medium human development index (HDI) (29.2%), studies published from 2004 to 2014 (15.4%) and when using self-reporting instruments (17.3%) to assess depression. Heterogeneity was identified by meta-regression and subgroup analysis, and response rate, percentage of women and year of publication, respectively, were determined contribute to depression prevalence. This meta-analysis allows benchmarking of the prevalence of depression during the era when online health information emerged, facilitating future comparisons.
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              Prevalence of depression during the COVID-19 outbreak: A meta-analysis of community-based studies

              Introduction COVID-19 pandemic, declared on March 11, 2020, constitute an extraordinary health, social and economic global challenge. The impact on people's mental health is expected to be high. This paper sought to systematically review community-based studies on depression conducted during the COVID-19 and estimate the pooled prevalence of depression. Method We searched for cross-sectional, community-based studies listed on PubMed or Web of Science from January 1, 2020 to May 8, 2020 that reported prevalence of depression. A random effect model was used to estimate the pooled proportion of depression. Results A total of 12 studies were included in the meta-analysis, with prevalence rates of depression ranging from 7.45% to 48.30%. The pooled prevalence of depression was 25% (95% CI: 18% − 33%), with significant heterogeneity between studies (I 2  = 99.60%, p < .001). Conclusions Compared with a global estimated prevalence of depression of 3.44% in 2017, our pooled prevalence of 25% appears to be 7 times higher, thus suggesting an important impact of the COVID-19 outbreak on people's mental health. Addressing mental health during and after this global health crisis should be placed into the international and national public health agenda to improve citizens’ wellbeing.
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                Author and article information

                Contributors
                Journal
                Int J Clin Health Psychol
                Int J Clin Health Psychol
                International Journal of Clinical and Health Psychology : IJCHP
                Asociacion Espanola de Psicologia Conductual
                1697-2600
                2174-0852
                04 February 2022
                May-Aug 2022
                04 February 2022
                : 22
                : 2
                : 100292
                Affiliations
                [0001]Mind, Brain and Behavior Research Center , University of Granada , Spain
                Author notes
                [* ] Corresponding author: María Guillot-Valdés, Mind, Brain and Behavior Research Center , University of Granada , Campus de Cartuja s/n, Granada, Spain mguillot@ 123456ugr.es
                Article
                S1697-2600(22)00001-1 100292
                10.1016/j.ijchp.2022.100292
                9055062
                35572073
                ff9625ca-b777-462f-8337-2b591ea8e71b
                © 2022 The Author(s)

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                : 15 November 2021
                : 14 December 2021
                Categories
                Original Article

                depression,expert judgment,assessment,content validity,instrumental study,depresión,juicio de expertos,evaluación,validez de contenido,estudio instrumental

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