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Article

Psychometric Properties of the Generalized Anxiety Disorder Scale-7 Item (GAD-7) in a Large Sample of Chinese Adolescents

by 1,†, 2,†, 2 and 3,*
1
College of Physical Education, West Anhui University, Lu’An 237012, China
2
School of Psychology, Shenzhen University, Shenzhen 518060, China
3
Institute for Health and Sport, Victoria University, Melbourne 8001, Australia
*
Author to whom correspondence should be addressed.
Both are the first author.
Academic Editor: Federica Galli
Healthcare 2021, 9(12), 1709; https://doi.org/10.3390/healthcare9121709
Received: 2 November 2021 / Revised: 2 December 2021 / Accepted: 7 December 2021 / Published: 9 December 2021
(This article belongs to the Collection Stress Management for Health)
Anxiety symptoms are common among adolescents. A well-validated and easy-to-use tool is indispensable to measure and detect anxiety for timely interventions. The Generalized Anxiety Disorder Scale-7 item (GAD-7) is a self-report scale used to measure the severity of anxiety and has been validated in adult populations, but psychometric properties of the GAD-7 remained rarely tested in adolescents. The study aimed to investigate the reliability and validity of the GAD-7 in Chinese adolescents. Sex- and age-specific analyses were conducted in a large sample of adolescents (n = 67,281, aged 10–17 years). Our results showed that the GAD-7 scores were higher in female and older adolescents. The GAD-7 presented good internal consistency and a unidimensional structure across sex- and age-specific groups. The GAD-7 scores were significantly correlated with the scores of the Patient Health Questionnaire-9 item (PHQ-9, a self-reported scale to measure depression symptoms) in all subgroups, indicating acceptable criterion validity. In conclusion, the GAD-7 is a scale with good psychometrics and can serve as a tool for anxiety screening in Chinese adolescents at the populational level. View Full-Text
Keywords: anxiety; psychometrics; measurement; GAD-7; generalized anxiety disorder scale; adolescents; students anxiety; psychometrics; measurement; GAD-7; generalized anxiety disorder scale; adolescents; students
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MDPI and ACS Style

Sun, J.; Liang, K.; Chi, X.; Chen, S. Psychometric Properties of the Generalized Anxiety Disorder Scale-7 Item (GAD-7) in a Large Sample of Chinese Adolescents. Healthcare 2021, 9, 1709. https://doi.org/10.3390/healthcare9121709

AMA Style

Sun J, Liang K, Chi X, Chen S. Psychometric Properties of the Generalized Anxiety Disorder Scale-7 Item (GAD-7) in a Large Sample of Chinese Adolescents. Healthcare. 2021; 9(12):1709. https://doi.org/10.3390/healthcare9121709

Chicago/Turabian Style

Sun, Jiangang, Kaixin Liang, Xinli Chi, and Sitong Chen. 2021. "Psychometric Properties of the Generalized Anxiety Disorder Scale-7 Item (GAD-7) in a Large Sample of Chinese Adolescents" Healthcare 9, no. 12: 1709. https://doi.org/10.3390/healthcare9121709

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