Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults

Md Dilshad Manzar,1 Ahmad H Alghadir,2 Shahnawaz Anwer,2,3 Mazen Alqahtani,4 Mohammed Salahuddin,5,6 Habtamu Acho Addo,5 Wakuma Wakene Jifar,7 Nofaa Ali Alasmee8 1Department of Nursing, College of Applied Medical Sciences, Majmaah University, Majmaah, 11952, Saudi Arabia; 2Rehabilitation Research Ch...

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Autores principales:	Manzar MD, Alghadir AH, Anwer S, Alqahtani M, Salahuddin M, Addo HA, Jifar WW, Alasmee NA
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	anxiety africa stress mcdonald’s omega factor analysis Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/d72d8e08a2e54179ac785607737a036b
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spelling	oai:doaj.org-article:d72d8e08a2e54179ac785607737a036b2021-12-02T16:32:12ZPsychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults1178-2021https://doaj.org/article/d72d8e08a2e54179ac785607737a036b2021-03-01T00:00:00Zhttps://www.dovepress.com/psychometric-properties-of-the-general-anxiety-disorders-7-scale-using-peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021Md Dilshad Manzar,1 Ahmad H Alghadir,2 Shahnawaz Anwer,2,3 Mazen Alqahtani,4 Mohammed Salahuddin,5,6 Habtamu Acho Addo,5 Wakuma Wakene Jifar,7 Nofaa Ali Alasmee8 1Department of Nursing, College of Applied Medical Sciences, Majmaah University, Majmaah, 11952, Saudi Arabia; 2Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia; 3Department of Building and Real Estate, Hong Kong Polytechnic University, Kowloon, Hong Kong Special Administrative Region; 4Department of Physiotherapy, College of Applied Medical Sciences, Majmaah University, Majmaah 11952, Saudi Arabia; 5Department of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University (Mizan Campus), Mizan-Aman, Ethiopia; 6Pharmacology Division, Department of BioMolecular Sciences, University of Mississippi, Oxford, MS, USA; 7Department of Pharmacy, College of Health Science, Mettu University, Metu, Ethiopia; 8Faculty of Nursing, King Abdulaziz University, Jeddah, Saudi ArabiaCorrespondence: Shahnawaz Anwer Email shahnawaz.anwer@connect.polyu.hkBackground: Few studies have investigated the psychometric validation of the General Anxiety Disorders-7 Scale (GAD-7) using appropriate data assumptions. This study examined the reliability, factorial validity, divergent validity, and item analysis of the GAD-7 using categorical data methods in a sample of Ethiopian young adults.Methods: A sample of 270 students in the age group (18– 20 years) was recruited during February-May of 2017 in this cross-sectional study using simple random sampling. The participants completed a tool for socio-demographic details, the GAD-7, and the Perceived Stress Scale-10 (PSS-10).Results: The cumulative variance rule (> 40%), the scree test, Kaiser’s criteria (Eigenvalues > 1), and the parallel analysis found a 1-factor model for the GAD-7 (factor loadings, 0.38 to 0.63). Fit indices suggested a 1-factor model: the tests applied included the weighted root mean square residual (0.030), comparative fit index (1.000), the goodness of fit index (1.00), root mean square error of approximation (0.037) and the non-normed fit index (1.00). McDonald’s Omega (0.772) implied that the scores had adequate internal consistency. Divergent validity was supported by significant but weak correlations that were found between the GAD-7 and PSS-10 scores (r = 0.11 to 0.25, p< 0.05).Conclusion: The psychometric validity of the GAD-7 in Ethiopian university attending young adults was supported by the categorical data method.Keywords: anxiety, Africa, stress, McDonald’s omega, factor analysisManzar MDAlghadir AHAnwer SAlqahtani MSalahuddin MAddo HAJifar WWAlasmee NADove Medical Pressarticleanxietyafricastressmcdonald’s omegafactor analysisNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol Volume 17, Pp 893-903 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	anxiety africa stress mcdonald’s omega factor analysis Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	anxiety africa stress mcdonald’s omega factor analysis Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Manzar MD Alghadir AH Anwer S Alqahtani M Salahuddin M Addo HA Jifar WW Alasmee NA Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
description	Md Dilshad Manzar,1 Ahmad H Alghadir,2 Shahnawaz Anwer,2,3 Mazen Alqahtani,4 Mohammed Salahuddin,5,6 Habtamu Acho Addo,5 Wakuma Wakene Jifar,7 Nofaa Ali Alasmee8 1Department of Nursing, College of Applied Medical Sciences, Majmaah University, Majmaah, 11952, Saudi Arabia; 2Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia; 3Department of Building and Real Estate, Hong Kong Polytechnic University, Kowloon, Hong Kong Special Administrative Region; 4Department of Physiotherapy, College of Applied Medical Sciences, Majmaah University, Majmaah 11952, Saudi Arabia; 5Department of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University (Mizan Campus), Mizan-Aman, Ethiopia; 6Pharmacology Division, Department of BioMolecular Sciences, University of Mississippi, Oxford, MS, USA; 7Department of Pharmacy, College of Health Science, Mettu University, Metu, Ethiopia; 8Faculty of Nursing, King Abdulaziz University, Jeddah, Saudi ArabiaCorrespondence: Shahnawaz Anwer Email shahnawaz.anwer@connect.polyu.hkBackground: Few studies have investigated the psychometric validation of the General Anxiety Disorders-7 Scale (GAD-7) using appropriate data assumptions. This study examined the reliability, factorial validity, divergent validity, and item analysis of the GAD-7 using categorical data methods in a sample of Ethiopian young adults.Methods: A sample of 270 students in the age group (18– 20 years) was recruited during February-May of 2017 in this cross-sectional study using simple random sampling. The participants completed a tool for socio-demographic details, the GAD-7, and the Perceived Stress Scale-10 (PSS-10).Results: The cumulative variance rule (> 40%), the scree test, Kaiser’s criteria (Eigenvalues > 1), and the parallel analysis found a 1-factor model for the GAD-7 (factor loadings, 0.38 to 0.63). Fit indices suggested a 1-factor model: the tests applied included the weighted root mean square residual (0.030), comparative fit index (1.000), the goodness of fit index (1.00), root mean square error of approximation (0.037) and the non-normed fit index (1.00). McDonald’s Omega (0.772) implied that the scores had adequate internal consistency. Divergent validity was supported by significant but weak correlations that were found between the GAD-7 and PSS-10 scores (r = 0.11 to 0.25, p< 0.05).Conclusion: The psychometric validity of the GAD-7 in Ethiopian university attending young adults was supported by the categorical data method.Keywords: anxiety, Africa, stress, McDonald’s omega, factor analysis
format	article
author	Manzar MD Alghadir AH Anwer S Alqahtani M Salahuddin M Addo HA Jifar WW Alasmee NA
author_facet	Manzar MD Alghadir AH Anwer S Alqahtani M Salahuddin M Addo HA Jifar WW Alasmee NA
author_sort	Manzar MD
title	Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
title_short	Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
title_full	Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
title_fullStr	Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
title_full_unstemmed	Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults
title_sort	psychometric properties of the general anxiety disorders-7 scale using categorical data methods: a study in a sample of university attending ethiopian young adults
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/d72d8e08a2e54179ac785607737a036b
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Psychometric Properties of the General Anxiety Disorders-7 Scale Using Categorical Data Methods: A Study in a Sample of University Attending Ethiopian Young Adults

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