Table 4.

Inter-item correlation of SOMEDIS-A items^a.

Itemsb	Item 1	Item 2	Item 3	Item 4	Item 5	Item 6	Item 7	Item 8	Item 9	Timing item
Item 1	1.00
Item 2	0.69	1.00
Item 3	0.40	0.52	1.00
Item 4	0.48	0.58	0.55	1.00
Item 5	0.50	0.60	0.57	0.55	1.00
Item 6	0.39	0.49	0.57	0.61	0.57	1.00
Item 7	0.35	0.42	0.51	0.50	0.47	0.53	1.00
Item 8	0.29	0.39	0.64	0.46	0.54	0.56	0.57	1.00
Item 9	0.32	0.43	0.54	0.52	0.52	0.74	0.58	0.66	1.00
Timing item	0.64	0.61	0.46	0.51	0.50	0.49	0.45	0.41	0.46	1.00

SOMEDIS-A, Social Media Disorder Scale for Adolescents;

^abased on total sample of N = 931 adolescents;

^bfor the description of items, refer to Table 1. The items of factor 2 are highlighted in gray.