Table 2

List of commonly reported caregiver outcomes and results

	Burden	Depression	Quality of life	Self-efficacy	Other*
High income
(1) Au et al9		–		+	+
(2) Au et al10		+		–
(3) Au11		+			+
(4) Au et al12		+			+
(5) Chen et al13	+				+
(6) Cheng et al14	–	+			–
(7) Cheng et al15	+	+		+	+
(8) Cheung et al16	+	+			+
(9) Chien and Lee17	+		+
(10) Chien and Lee18	+		+
(11) Chu et al19	–	+
(12) Chua and Pachana20		–			+
(13) Fung and Chien22		–	+		–
(14) Hirano et al23	+	–			+
(15) Hosaka and Sugiyama24 25		+			+
(16) Huang et al26				+
(17) Kim27		+
(18) Huang et al, Kuo et al28–32		+	+	+	+
(19) Kwok et al33	+			–
(20) Kwok et al34	+			–
(21) Lai et al35	+	+		+
(22) Lam et al36	–	+			+
(23) Lee et al37	+	+			+
(24) Wang and Chien39	+		+
(25) Yeung and Chiu41	+
(26) Young42			+
Upper-middle income
(27) Senanarong et al38		+
(28) Wang et al40			+		+
Lower-middle income
(29) Dias et al21	–				+
Low income
(30) Ali and Bokharey8	+	+			+

Notes: + indicates a significant improvement (p<0.05) in outcome, - is a lack of significant improvement (p>0.05), blank indicates outcome not reported.
*Caregiver outcomes present in < 20% of studies.