Table 2.

Summary of associations provided by article

Articles (total 42)	N	%	References
Correlations
Overall global functioning– Overall quality of life (QoL)	20	48	Karadayi et al. (2011), Mas-Exposito et al. (2011), Riedel et al. (2011), Hosseini and Yousefi (2011), Roe et al. (2011), Hunter and Barry (2012), Nafees et al. (2012), Gaite et al. (2002), Reine et al. (2005), König et al. (2007), Kusel et al. (2007), Miclutia et al. (2008), Galuppi et al. (2010), Dima et al. (2015), Chino et al. (2009), Greenley et al. (1997), Ritsner et al. (2005), Norman et al. (2000), Bai et al. (2014), Ito et al. (2015).
Overall global functioning – Domains of QoL	13	31	Mas-Exposito et al. (2011), Riedel et al. (2011), Meijer et al. (2002), Reine et al. (2005), Miclutia et al. (2008), Galuppi et al. (2010), Rocca et al. (2014), Dima et al. (2015), Kuo et al. (2009), Woon et al. (2010), Akinsulore et al. (2014), Bai et al. (2014), Fujino et al. (2016).
Domains of global functioning – Overall QoL	5	12	Mas-Exposito et al. (2011), Guilera et al. (2012), Holloway and Carson (1999), Chino et al. (2009), Bai et al. (2014).
Domains of global functioning– Domains of QoL	5	12	Mas-Exposito et al. (2011), Rocca et al. (2014), Alessandrini et al. (2016), Bai et al. (2014), Fujino et al. (2016).
Alternate statistical methods	4	10	Mubarak (2005), Pitkanen et al. (2012), Becker et al. (2005), Medeiros-Ferreira et al. (2013).
Associations estimated by multivariate analysis
Global functioning – Overall QoL	10	24	Roe et al. (2011), Meijer et al. (2009), Kusel et al. (2007), Stubbs et al. (2015) Alessandrini et al. (2016), Rocca et al. (2016), Norman et al. (2000), Woon et al. (2010), Prince (2007), Lasebikan and Owoaje (2015).
Global functioning – Domains of QoL	4	10	Brissos et al. (2011), Zendjidjian et al. (2014), Woon et al. (2010), Akinsulore et al. (2014).