Wang HR, et al. – In the present study authors' aim was to examine the prevalence and correlates of comorbid depression among patients with internet gaming disorder using the Internet Gaming Disorder scale (IGD–9) and the Patient Health Questionnaire–9 (PHQ–9) among nonclinical online survey respondents. Findings revealed that depression was a common comorbidity of internet gaming disorder. Internet gaming disorder with comorbid depression was associated with more serious psychiatric phenomenology and a greater psychiatric burden.