| Study | Rating domain (EPHPP for evaluation studies) | |||||||
| Selection bias | Study design | Confounders | Blinding | Data collection methods | Withdrawals and dropouts | Intervention integrity | Analyses | |
| Barron, 2013 [47] | Moderate | Moderate | Weak | Not applicable | Moderate | Strong | Moderate | Moderate |
| Rating domain (QUATSO for) | ||||||||
| External validity | Reporting | Confounding | Bias (Privacy) | |||||
| Kohli, 2012 [49] | 0 | Response rate | Outcome measure | Not applicable | 1 | |||
| Not applicable | 1 | |||||||