Table 2.

Overview of included studies.

Characteristics	No. of studies	Studies
Country
Unites States	25	[7, 38, 39, 40, 41, 47, 49, 50, 51, 52, 53, 54, 55, 56, 60, 62, 65, 66, 68, 69, 70, 71, 72, 73, 74]
United Kingdom	5	[25, 45, 58, 75, 76, 77]
Canada	4	[24, 57, 59, 78]
Brazil	2	[43, 63]
Germany	1	[79]
Australia	4	[18, 29, 80, 81]
Portugal	1	[37]
Jordan	1	[82]
Switzerland	3	[27, 46, 83]
Sweden	1	[48]
Malaysia	1	[42]
Setting
PICU	9	[50, 54, 62, 65, 66, 72, 75, 78, 83]
Inpatient unit	21	[7, 18, 27, 29, 40, 41, 43, 46, 47, 48, 51, 55, 56, 57, 58, 59, 69, 73, 74, 76, 77]
Both	3	[24, 68, 70]
Other/not specifieda	16	[25, 37, 38, 39, 42, 45, 49, 52, 53, 60, 63, 71, 79, 80, 81, 82]
Participants
Parental caregivers	41	[7, 18, 24, 27, 29, 37, 38, 39, 40, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 63, 65, 66, 68, 69, 70, 71, 72, 73, 78, 79, 82, 83]
CMC	3	[41, 76, 77]
Both	2	[74, 75]
Other/not specifieda	3	[25, 38, 80]
Sample size
5–10	13	[37, 40, 43, 45, 48, 51, 58, 62, 63, 65, 72, 76, 77]
11–24	10	[39, 42, 54, 57, 60, 71, 78, 79, 82, 83]
25–100	16	[18, 41, 46, 47, 49, 50, 52, 55, 56, 59, 66, 68, 69, 73, 74, 75]
> 100	4	[24, 27, 29, 70]
Other/not specifieda	6	[7, 25, 38, 53, 80, 81]

^aIncludes review articles.