Table 3. Structural equation regressions, total and indirect effects of H8 model.

Regressions	Estimate	Standard Errors	z-value	P(>|z|)	Std.all
Case by ~
Obsessionality	0.03	0.005	5.15	<0.001	0.26
Sensation seeking	0.01	0.005	2.01	0.04	0.08
PUI	0.01	0.003	3.34	0.001	0.15
PUI by ~
Obsessionality	0.463	0.074	6.23	<0.001	0.30
Sensation seeking	0.275	0.069	3.97	<0.001	0.16
Total effects
Obsessionality on case	0.032	0.005	6.23	<0.001	0.30
Sensation seeking on case	0.012	0.005	2.59	0.01	0.11
Indirect effects
PUI~obsessionality	0.005	0.002	3.02	0.002	0.044
PUI~sens.seeking	0.003	0.001	2.57	0.01	0.024

Legend: SS = sensation seeking latent factor; Obs = obsessionality latent factor; OBQ = Obsessive Beliefs Questionnaire, short version (OBQ-20); OBQ m = Obsessional thoughts of importance and control; OBQ n = Obsessional intolerance towards uncertainty; OBQ p = Obsessional thoughts of inflated responsibility; OBQ t = Obsessional thoughts of threat; Problematic Usage of the Internet (PUI) = Internet Addiction Test, short version (IAT-12) total score; z-values = regression coefficients; Std.all = standardized coefficients; Case = SCOFF > 2, Exercise Addiction Inventory > 18.