“…The risk factors (or characteristics) found in the literature relate to: (a) psychopathological factors : ADHD, depressive and anxiety disorders, and social phobia (e.g., Alavi et al., 2012; Ang et al., 2012; Ko, Yen, Chen, Yeh, & Yen, 2009; Lin et al., 2011; Oh, 2003; Yen et al., 2008), substance use (Ko, Yen, Yen, Chen, & Chen, 2012), or obsessive compulsive symptoms (Jang, Hwang, & Choi, 2008); (b) personality characteristics : hyperactivity and impulsivity (Wu et al., 2013), high novelty seeking and low reward dependence (Dalbudak et al., 2015; Ko et al., 2006), introversion, low conscientiousness and agreeableness and high neuroticism/low emotional stability (Kuss, Shorter, van Rooij, van de Mheen, & Griffiths, 2014; Kuss, van Rooij, Shorter, Griffiths, & van de Mheen, 2013), hostility (e.g., Alavi et al., 2012; Ang et al., 2012; Ko et al., 2009; Lin et al., 2011; Oh, 2003; Yen et al., 2008), or a low level of self-control and self-regulation (Blachnio & Przepiorka, 2015); (c) physiological characteristics : stronger blood volume pulse and respiratory response and a weaker peripheral temperature (Lu, Wang, & Huang, 2010); (d) patterns of Internet use : a large number of hours spent online (Kuss et al., 2013), engagement in different video games (Donati, Chiesi, Ammannato, & Primi, 2015), or excessive weekend Internet use (Xu, Shen, et al., 2012); (e) sociodemographic factors such as gender (Ha & Hwang, 2014; Shek & Yu, 2016) or family economic disadvantage (Shek & Yu, 2016); and (f) the current situation : loneliness and stress (Alavi et al., 2012; Ang et al., 2012; Ko et al., 2009; Lin et al., 2011; Oh, 2003; Yen et al., 2008) or affiliation with peers who have lower levels of social acceptance or young people situated in a class with higher levels of Internet addiction (Zhou & Fang, 2015). …”