Fig 1.
PRISMA flowchart.
Table 1.
Summary of characteristics of included studies.
Table 2.
Quantitative studies: Outcome measures and effect sizes.
Table 3.
Summary of quality assessment of mixed-methods studies using downs & black checklist.
Table 4.
Summary of quality assessment of qualitative studies using CASP.
Table 5.
Meta-themes derived from the included studies.