Table 3.
Quality of assessment of RCTs with Cochrane risk of bias tool (n=2) and quasi-experimental studies with Robin-I tool (n=7)
| Randomized Controlled Trials (n=2) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Author, year | Sequence Generation | Allocation Concealment | Participant Blinding | Assessor blinding | Incomplete outcome data | Selective reporting | Other bias | |
| Boersma, 2019 | L | H | H | L | H | L | L | |
| Heltne, 2017 | L | H | H | H | L | L | L | |
| Quasi-experimental Studies (n=7) | ||||||||
| Author, Year | Confounding | Selection | Classification | Deviation from intervention | Missing data | Measurement of outcomes | Selection of outcomes | Overall |
|
| ||||||||
| Al-Jazairi, 2017 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Cortez, 2018 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Cronin, 2011 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Hohn, 2014 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Mason, 2018 | Serious | Moderate | Moderate | Moderate | Moderate | Serious | Moderate | Serious |
| Shafiekhani, 2019 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Zullig, 2019 | Serious | Moderate | Moderate | Moderate | Moderate | Serious | Serious | Serious |
L= low risk of bias, H= high risk of bias, U = unclear risk of bias