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Psychometric Properties of the Generalized Anxiety Disorder Scale Among Saudi University Male Students

Authors Alghadir A, Manzar MD, Anwer S, Albougami A, Salahuddin M

Received 18 January 2020

Accepted for publication 8 May 2020

Published 8 June 2020 Volume 2020:16 Pages 1427—1432

DOI https://doi.org/10.2147/NDT.S246526

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Roger Pinder


Ahmad Alghadir,1 Md Dilshad Manzar,2 Shahnawaz Anwer,1,3 Abdulrhman Albougami,2 Mohammed Salahuddin4

1Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia; 2Department of Nursing, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia; 3Department of Building and Real Estate, Hong Kong Polytechnic University, Kowloon, Hong Kong SAR; 4Department of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University (Mizan Campus), Mizan-Aman, Ethiopia

Correspondence: Shahnawaz Anwer Email anwer_shahnawazphysio@rediffmail.com

Background: Various screening tools have been designed and developed to identify individuals with generalized anxiety disorder (GAD). The current study aimed to assess the psychometric validation of the GAD-7 in Saudi university male students.
Methods: Healthy university male students (n= 192) participated in this cross-sectional study. All the participants were informed about the study details. Participants were asked to complete the GAD-7, the Sleep Hygiene Index (SHI), Perceived Stress Scale (PSS), and demographic details.
Results: In general, the range of the GAD total score was 0– 21. There was no issue of the ceiling or floor effects as only 12.5% of participants reported the minimum score of 0, and none of the participants reported the maximum score of 21. The internal consistency score of the GAD-7 was found to be good (Cronbach’s alpha = 0.83). The internal homogeneity between item scores was 0.22– 0.57 as indicated by the “Spearman correlation coefficient (r)”. The total scores and individual item scores of the GAD-7 were statistically associated with the PSS total score (correlation coefficient r = 0.21– 0.37), and scores of the 8th and 13th item of the SHI (correlation coefficient r = 0.17– 0.26, and 0.21– 0.40, respectively). The exploratory factor and confirmatory factor loadings of the GAD-7 items were ranged from 0.60 to 0.81 and 0.51 to 0.80, respectively.
Conclusion: This study supported the use of the GAD-7 to assess the anxiety level among Saudi university students.

Keywords: GAD-7, anxiety, stress, university students, validity, reliability


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