Table 2.
Summary of Mixed Methods Appraisal Tool quality assessment—risk of bias of the included randomized controlled trials (RCTs).
| RCT, year | Randomization appropriately performed | Groups comparable at baseline | Complete outcome data | Outcome assessors blinded to the intervention | Participants adhered to the assigned intervention | Risk of bias scorea |
| Cadmus-Bertram et al [78], 2016 | ★b | ★ | ★ | 0c | ★ | Low |
| Valle et al [81], 2017 | ★ | ★ | ★ | 0 | ★ | Low |
| Lynch et al [83], 2019 | ★ | ★ | ★ | 0 | ★ | Low |
| Kashfi et al [76], 2021 | 0 | ★ | ★ | 0 | —d | Moderate to high |
aOverall risk of bias scores were assessed by 2 independent reviewers and classified into low risk and moderate to high risk. Low risk of bias: ≥4 stars; moderate to high risk of bias: ≤3 stars.
bMet the criterion.
cFailed to meet the criterion.
dInsufficient information given to decide.