Table 3.

Changes in primary and secondary endpoints in the completers.

Endpoint variable	Prescore completers	Postscore completers	Significance
Symptoms of IA (AICA-S)	12.1 (4.21)	3.5 (3.71)	t = 7.38,  P = .001;  d z = 1.45
Hours spent online	7.6 (3.95)	2.6 (2.26)	t = 6.54, P = .001;  d z = 1.31
Problems (total)	3.7 (1.28)	1.5 (1.73)	t = 5.33;  P = .001;  d z = 1.04
Problems in school/job	1.2 (1.14)	0.3 (0.45)	t = 4.91,  P = .000;  d z = .96
Financial problems	0.1 (0.33)	0.1 (0.27)	Ns
Family conflicts	0.8 (0.40)	0.4 (0.50)	t = 4.28,  P = .000;  d z = .84
Health problems	0.6 (0.50)	0.3 (0.45)	t = 3.14,  P = .004;  d z = .62
Denial of recreational activities	0.8 (0.40)	0.4 (0.49)	t = 4.05,  P = .001;  d z = .79
Conflicts with friends	0.7 (0.45)	0.2 (0.40)	t = 4.40,  P = .001;  d z = 1.06
Self-efficacy expectancy	25.7 (4.24)	29.1 (4.38)	t = 5.42,  P = .001;  d z = .79
SCL: GSI	0.7 (0.43)	0.3 (0.29)	t = 4.87,  P = .001;  d z = .90
SCL: somatization	0.4 (0.38)	0.3 (0.30)	Ns
SCL: obsessive-compulsive	1.1 (0.70)	0.5 (0.49)	t = 4.81,  P = .001;  d z = .91
SCL: social insecurity	0.8 (0.57)	0.4 (0.40)	t = 5.54,  P = .001;  d z = .82
SCL: depression	1.1 (0.75)	0.5 (0.52)	t = 4.78,  P = .001;  d z = .94
SCL: anxiousness	0.5 (0.44)	0.3 (0.25)	t = 2.61,  P = .015;  d z = .51
SCL: aggressiveness	0.5 (0.54)	0.2 (0.33)	t = 2.71,  P = .012;  d z = .53
SCL: phobic anxiety	0.3 (0.31)	0.1 (0.24)	t = 3.07,  P = .005;  d z = .60
SCL: paranoid ideation	0.5 (0.49)	0.3 (0.39)	Ns
SCL: psychoticism	0.5 (0.46)	0.2 (0.24)	t = 4.52,   P = .001;  d z = .67

n = 26.