Serial multiple mediation of the association between internet gaming disorder and suicidal ideation by insomnia and depression in adolescents in Shanghai, China

Table 3 Questionnaire scores and pairwise correlation analysis (N = 1066)

	IGD scale score	ISI scale score	PHQ-9 scale score	Suicidal ideation
IGD	1
ISI scale score	0.240***	1
PHQ-9 scale score	0.338***	0.630***	1
Suicidal ideation	0.273***	0.343***	0.509***	1

IGD Internet gaming disorder, ISI Insomnia Severity Index, PHQ-9 9-item Patient Health Questionnaire
p < 0.001

ISSN: 1471-244X