Table 2.

Exclusion hierarchy ¹ for elimination of full text papers at stage 5 of the search process

Exclusion criteria	No. of studies	and references
No children 7–11 years	0	2
No educational multimedia	3	[24-26]
Not recruited from active clinical treatment lists	11	[27-37]
Participants have no diagnosed health condition	2	[38,39]
No comparison group	8	[40-47]
Descriptive paper, not an intervention study	5	[48-52]
Abstract/summary article	1	[53]

¹used throughout the search strategy.

²papers not including participants from the specified age range were systematically excluded through stages 1–4.