Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms

Psychosomatic symptoms are physical manifestations of psychological origin that are not adequately explained by organic causes. For this reason, it is difficult to differentiate them from other conditions, so health sciences must consider their diagnosis and research on them a priority. The PHQ-15...

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Main Authors: Andrea Bravo Doddoli, Paola Eunice Díaz Rivera
Format: Article
Language:English
Published: Universidad De La Salle Bajío 2023-05-01
Series:Nova Scientia
Subjects:
Online Access:http://nova_scientia.delasalle.edu.mx/ojs/index.php/Nova/article/view/3168
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author Andrea Bravo Doddoli
Paola Eunice Díaz Rivera
author_facet Andrea Bravo Doddoli
Paola Eunice Díaz Rivera
author_sort Andrea Bravo Doddoli
collection DOAJ
description Psychosomatic symptoms are physical manifestations of psychological origin that are not adequately explained by organic causes. For this reason, it is difficult to differentiate them from other conditions, so health sciences must consider their diagnosis and research on them a priority. The PHQ-15 (Patient Health Questionnaire) is an instrument that allows its diagnosis through a list of 15 psychosomatic symptoms. The purpose of this research was to validate the PHQ-15 for the Mexican adult population, obtaining indicators of reliability, construct, and convergent validity. First, the instrument was translated and culturally adapted. This version was evaluated by mental health specialists and doctors. The PHQ-15 and the Hospital Anxiety and Depression Scale (HADS) were applied to 420 Mexican participants through an online survey. A Confirmatory Factor Analysis was performed that rectified the unifactorial structure. The results showed acceptable fit indicators and a significant contribution of all the reagents to the model. The correlations between the PHQ-15 and the HADS showed a directly proportional relationship between psychosomatic symptoms with depression and anxiety, which provides evidence of convergent validity. Regarding internal consistency, it showed adequate levels of reliability.
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spelling doaj.art-0232fcc37cd04604838123317187729b2023-05-30T10:33:14ZengUniversidad De La Salle BajíoNova Scientia2007-07052023-05-01153010.21640/ns.v15i30.3168Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptomsAndrea Bravo Doddoli0Paola Eunice Díaz Rivera1National Autonomous University of MexicoNational Autonomous University of Mexico Psychosomatic symptoms are physical manifestations of psychological origin that are not adequately explained by organic causes. For this reason, it is difficult to differentiate them from other conditions, so health sciences must consider their diagnosis and research on them a priority. The PHQ-15 (Patient Health Questionnaire) is an instrument that allows its diagnosis through a list of 15 psychosomatic symptoms. The purpose of this research was to validate the PHQ-15 for the Mexican adult population, obtaining indicators of reliability, construct, and convergent validity. First, the instrument was translated and culturally adapted. This version was evaluated by mental health specialists and doctors. The PHQ-15 and the Hospital Anxiety and Depression Scale (HADS) were applied to 420 Mexican participants through an online survey. A Confirmatory Factor Analysis was performed that rectified the unifactorial structure. The results showed acceptable fit indicators and a significant contribution of all the reagents to the model. The correlations between the PHQ-15 and the HADS showed a directly proportional relationship between psychosomatic symptoms with depression and anxiety, which provides evidence of convergent validity. Regarding internal consistency, it showed adequate levels of reliability. http://nova_scientia.delasalle.edu.mx/ojs/index.php/Nova/article/view/3168symptompsychosomaticsdiagnosisscalemeasurementvalidity
spellingShingle Andrea Bravo Doddoli
Paola Eunice Díaz Rivera
Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
Nova Scientia
symptom
psychosomatics
diagnosis
scale
measurement
validity
title Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
title_full Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
title_fullStr Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
title_full_unstemmed Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
title_short Format validation of the PHQ-15 questionnaire version for the Mexican population to assess psychosomatic symptoms
title_sort format validation of the phq 15 questionnaire version for the mexican population to assess psychosomatic symptoms
topic symptom
psychosomatics
diagnosis
scale
measurement
validity
url http://nova_scientia.delasalle.edu.mx/ojs/index.php/Nova/article/view/3168
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