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Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean

Norman López 1, 2
Juan-Carlos Coronado 3
Daniela Ripoll-Córdoba 2
Nicole Caldichoury 4
César Quispe-Ayala 5
Breiner Morales-Asencio 2
Raúl Quincho-Apumayta 5
Cesar Castellanos 6
JUAN MARTÍNEZ 7
Juan Cárdenas-Valverde 8
Luis Mario Castellanos-Alvarenga 9
David Salazar 10
Irina Flores-Poma 5
Jorge Herrera-Pino 11
Wendy Bada 12
Yuliana Flórez 2
Karen Alcos-Flores 5
Boris Zurita-Cueva 13
Elsa Muñoz Romero 10
Cristian Romo 14
Regulo Antezana 5
Claudio Avila Saldaña 15
Pascual A. Gargiulo 16
5
 
Universidad Nacional de Huancavelica, Huancavelica, Peru
6
 
Instituto Dominicano para el Estudio de la Salud Integral y la Psicología Aplicada (IDESIP), Santo Domingo, Dominican Republic
7
 
Graduate School of Education, Ana G. Mendez University, Caguas, Puerto Rico
10
 
Facultad de Educación, Universidad Nacional Daniel Alcides Carrión, Cerro de Pasco, Peru
12
 
Departamento Académico de Pedagogía y Humanidades, Facultad de Educación Intercultural y Humanidades, Universidad Nacional Intercultural de la Amazonia, Pucallpa, Peru
13
 
Departamento de Neurocirugía, Omni Hospital, Guayaquil, Ecuador
Тип публикацииJournal Article
Дата публикации2025-01-30
scimago Q1
wos Q2
БС1
SJR1.192
CiteScore6.2
Impact factor3.2
ISSN16640640
Краткое описание
Introduction

The prevalence of Generalized Anxiety Disorder (GAD) has increased rapidly, highlighting the importance of its detection using quick tools applicable to men and women from different countries.

Objective

To analyze the psychometric properties of the Generalized Anxiety Disorder Test (GAD-7) by gender and country in Latin America and the Caribbean (LAC).

Method

A cross-sectional e-health study with 12,124 participants from 15 LAC countries (54.32% women, 45.68% men) was conducted, including participants from Argentina (7.3%), Bolivia (6.7%), Colombia (10.3%), Chile (6.9%), Costa Rica (4.9%), El Salvador (5.7%), Ecuador (7.2%), Guatemala (4.7%), Panama (5.1%), Paraguay (5.7%), Peru (8.6%), Puerto Rico (5.8%), the Dominican Republic (6.6%), Uruguay (6.3%), and Venezuela (8.2%). All participants completed the GAD-7 scale digitally.

Results

A unidimensional structure of the GAD-7 was confirmed, explaining 70% of the variance. The model fit indices were adequate (RMSEA = 0.062; CFI = 0.997; TLI = 0.995; SRMR = 0.017; p < 0.001), and the factor loadings for each item were satisfactory (> 0.70). Additionally, the factor structure showed measurement invariance between genders and countries, with adequate fit indices at all levels (configural, metric, scalar, and strict), suggesting that the measurements are equivalent in both contexts. Finally, the internal consistency of the GAD-7 was high, with a McDonald’s Omega coefficient of 0.91.

Conclusions

The GAD-7 exhibits a factor structure that is equivalent across genders and countries, demonstrating its validity and reliability for the rapid detection of GAD symptoms in different countries within the region.

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Frontiers in Psychiatry
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Frontiers Media S.A.
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López N. et al. Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean // Frontiers in Psychiatry. 2025. Vol. 16.
ГОСТ со всеми авторами (до 50) Скопировать
López N., Coronado J., Ripoll-Córdoba D., Caldichoury N., Quispe-Ayala C., Morales-Asencio B., Quincho-Apumayta R., Castellanos C., MARTÍNEZ J., Cárdenas-Valverde J., Castellanos-Alvarenga L. M., Salazar D., Flores-Poma I., Herrera-Pino J., Bada W., Flórez Y., Alcos-Flores K., Zurita-Cueva B., Muñoz Romero E., Romo C., Antezana R., Avila Saldaña C., Gargiulo P. A. Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean // Frontiers in Psychiatry. 2025. Vol. 16.
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TY - JOUR
DO - 10.3389/fpsyt.2025.1529424
UR - https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1529424/full
TI - Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean
T2 - Frontiers in Psychiatry
AU - López, Norman
AU - Coronado, Juan-Carlos
AU - Ripoll-Córdoba, Daniela
AU - Caldichoury, Nicole
AU - Quispe-Ayala, César
AU - Morales-Asencio, Breiner
AU - Quincho-Apumayta, Raúl
AU - Castellanos, Cesar
AU - MARTÍNEZ, JUAN
AU - Cárdenas-Valverde, Juan
AU - Castellanos-Alvarenga, Luis Mario
AU - Salazar, David
AU - Flores-Poma, Irina
AU - Herrera-Pino, Jorge
AU - Bada, Wendy
AU - Flórez, Yuliana
AU - Alcos-Flores, Karen
AU - Zurita-Cueva, Boris
AU - Muñoz Romero, Elsa
AU - Romo, Cristian
AU - Antezana, Regulo
AU - Avila Saldaña, Claudio
AU - Gargiulo, Pascual A.
PY - 2025
DA - 2025/01/30
PB - Frontiers Media S.A.
VL - 16
SN - 1664-0640
ER -
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@article{2025_López,
author = {Norman López and Juan-Carlos Coronado and Daniela Ripoll-Córdoba and Nicole Caldichoury and César Quispe-Ayala and Breiner Morales-Asencio and Raúl Quincho-Apumayta and Cesar Castellanos and JUAN MARTÍNEZ and Juan Cárdenas-Valverde and Luis Mario Castellanos-Alvarenga and David Salazar and Irina Flores-Poma and Jorge Herrera-Pino and Wendy Bada and Yuliana Flórez and Karen Alcos-Flores and Boris Zurita-Cueva and Elsa Muñoz Romero and Cristian Romo and Regulo Antezana and Claudio Avila Saldaña and Pascual A. Gargiulo},
title = {Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean},
journal = {Frontiers in Psychiatry},
year = {2025},
volume = {16},
publisher = {Frontiers Media S.A.},
month = {jan},
url = {https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1529424/full},
doi = {10.3389/fpsyt.2025.1529424}
}