Table 3.
Quality rating of individual studies
| Author (year) | Title and abstract | Introduction and aims | Method and data | Sampling | Data analysis | Ethics and bias | Findings and results | Transferability/generalizability | Implication usefulness | Total score | Quality rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Karst et al. (2015) | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 33 | High |
| Lunsky et al. (2015) | 4 | 4 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 31 | High |
| Lunsky et al. (2021) | 3 | 4 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 32 | High |
| Mazzucchelli et al. (2018) | 4 | 4 | 3 | 2 | 3 | 4 | 4 | 3 | 3 | 30 | High |
| Ruiz-Robledillo et al. (2015) | 4 | 3 | 4 | 2 | 4 | 3 | 4 | 2 | 4 | 30 | High |
| Salem-Guirgis et al. (2019) | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 32 | High |
| Schiltz et al. (2018) | 3 | 3 | 2 | 2 | 4 | 2 | 4 | 2 | 3 | 25 | Medium |
| Singh et al. (2019) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 32 | High |
| Singh et al. (2014) | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 34 | High |
| Siracusano et al. (2021) | 4 | 2 | 2 | 2 | 2 | 3 | 4 | 2 | 2 | 23 | Low |
| Smith et al. (2018) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 34 | High |
| Yoo et al. (2014) | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 34 | High |
| Zu et al. (2019) | 2 | 2 | 2 | 3 | 3 | 2 | 3 | 2 | 2 | 21 | Low |