Table 1.

Participants’ Characteristics (N = 99)

	M (SD) or n (%)
Age (years)	10.82 (3.08)
Sex (male)	84 (84.8)
Age of first contact with games (years)	7.14 (3.18)
Age of first contact with social media (years)	4.83 (5.34)
Age of first contact with smartphones (years)	6.54 (2.90)
Physical disease (no)	93 (93.9)
Problematic gaming	19.73 (7.26)
Problematic use of social media	8.56 (4.70)
Problematic smartphone use	18.88 (9.01)
Psychological distress	26.34 (20.00)
Overall quality of life	66.97 (15.29)
Physical quality of life	80.05 (21.03)
Emotional quality of life	76.14 (22.90)
Self-esteem quality of life	53.09 (30.49)
Family quality of life	68.43 (19.65)
Friend quality of life	63.32 (25.01)
School quality of life	60.61 (20.56)
Primary caregivers (parents)	93 (93.9)