Trends in Psychiatry and Psychotherapy
https://www.trends.org.br/article/doi/10.47626/2237-6089-2023-0622
Trends in Psychiatry and Psychotherapy
Original Article

Validation of the Ten-Item Internet Gaming Disorder Test (IGDT-10) and Its Association with Functional Impairment in Brazilian Gamers

Daniel Tornaim Spritzer, Wagner de Lara Machado, Marina Balem Yates, Orsolya Király, Zsolt Demetrovics, Joël Billieux, Daniel Luke King, Katarzyna Kaliszewska-Czeremska, Stéphanie Laconi, Ives Cavalcante Passos, Simone Hauck

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Abstract

Introduction
Despite the growing recognition of gaming disorder as a mental disorder, there is still debate about how it should be best screened for. This is especially relevant in countries where prevalence studies that could support evidence-based policymaking are still to be conducted. This study aims to evaluate the psychometric properties of the Brazilian Portuguese version of the Ten-Item Internet Gaming Disorder Test (IGDT-10) and to explore its association with functional impairment. 

Methods
An online convenience sample of 805 Brazilian adults who reported playing games completed the adapted version of IGDT-10 and World Health Organization Disability Assessment Schedule 2.0, as well as the Problematic Internet Use Questionnaire, the Center for Epidemiologic Studies-Depression Scale, the Rosenberg Self Esteem Scale and socio-demographic questions. 

Results
The Brazilian Portuguese version of IGDT-10 demonstrated a unidimensional structure in both confirmatory and exploratory factor analysis, with satisfactory internal consistency and adequate temporal stability. Participants who scored five or more on IGDT-10 presented higher levels of functional impairment compared to those who scored positive for four symptoms or less. The difference between the two groups was statistically significant and showed a moderate effect size. Network analysis showed a direct connection between IGDT-10 and functional impairment, and identified “negative consequences” as the most relevant item connecting these variables.

Conclusion
The IGDT-10 is a brief, easy-to-understand, valid, and reliable instrument, proving to be a suitable candidate for screening gaming disorder in future epidemiological studies.

Keywords

Gaming disorder, impairment, disability, psychometrics, network analysis, Brazil

Submitted date:
03/04/2023

Accepted date:
10/22/2023

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