Table 3.

CG related interventions by explicitly reported outcomes

Outcomes
	Psychological Wellbeing		Knowledge/Coping
Intervention	Positive benefit	No benefit	Positive benefit	No benefit
Psychosocial	7	1	2	-
	Knight et al., 1993 [1*]	Schoenmakers et al., 2010 [48*]	Brodaty et al., 2003 [10*]
	Brodaty et al., 2012. [2*]		Pusey & Richards, (2001). [29*]
	Brodaty et al., 2003 [10*]
	O’Connor et al. 2009. [12*]
	Cooper et al., 2007. [17*]
	Schulz et al., (2002). [49*]
	Thompson et al., 2007 [52*]
Psychoeducational	6	2	1	1
	Hogan et al., 2007. [11*]	Acton & Kang, 2001. [35*]	Elvish et al., 2013. [39*]	Selwood et al., 2007. [50*]
	Cooke et al., 2001. [33*]	Selwood et al., 2007. [50*]
	Pinquart & Sorensen, 2006. [34*]
	Elvish et al., 2013. [39*]
	Parker et al., 2008. [44*]
	Sorensen et al., 2002. [51*]
Technological	1	-	-	1
	Powell et al., 2008 [46*]			Peacock & Forbes, 2003. [45*]
Therapy	4	1	1	1
	Zabalegui et al., 2014. [3*]	Acton & Kang, 2001 [35*]	Selwood et al., 2007 [50*]	Peacock & Forbes, 2003. [45*]
	Hall & Skelton, 2011. [41*]
	Selwood et al., 2007. [50*]
	Vernooij-Dassen, 2011. [53*]
Social Support	5	1	4	-
	Hogan et al., 2007. [11*]	Knight et al., 1993. [1*]	Zabalegui et al., 2014 [3*]
	Spijker et al., 2008. [14*]		Spijker et al., 2008. [14*]
	Gottlieb & Wolfe, 2002. [27*]		Thinnes & Padilla, 2011. [15*]
	Cooke et al., 2001. [33*]		Li et al., 2013. [30*]
	Chien et al., 2011 [36*]
Multi-component	6	-	3	1
	Smits et al, 2007. [16*]		Olazaran et al., 2010 [13*]	Selwood et al., 2007. [50*]
	Cooke et al., 2001 [33*]		Elvish et al., 2013. [39*]
	Acton & Kang, 2001. [35*]		Selwood et al., 2007. [50*]
	Elvish et al., 2013. [39*]
	Etters et al., 2008. [40*]
	Parker et al., 2008. [44*]
Totals	29	5	11	4