Background: Children are the focus of numerous health interventions throughout the world, yet the extent of children's meaningful participation in research that informs the adaptation, implementation, and evaluation of health interventions is not known. We examine the type, extent, and meaningfulness of children's participation in research in qualitative health intervention research.
Method: A scoping study was conducted of qualitative published research with children (ages 6-11 years) carried out as part of health intervention research.