2.3. Quality assessment of included documents

The quality of the included literature was evaluated using JBI's critical appraisal criteria.^49,53 Levels of evidence for effectiveness are used to assess the quality of research studies and the strength of evidence provided for interventions such as quasi-experimental prospective controlled studies, pre-posttests or historic/retrospective control group studies, cross-sectional studies, and expert consensus studies. The levels of evidence for meaningfulness were employed in part of the qualitative research to evaluate the meaningfulness of the documents such as qualitative or mixed-methods synthesis, a single qualitative study, and expert opinions.