Critical appraisal results of eligible quasi-experimental studies (non-randomized experimental studies) trials in systematic review of online text-based intervention and eating disorder management
| Citation | Robinson et al. (2006) [58] | Shapiro et al. (2010) [57] | Gulec et al. (2011) [59] | ter Huurne et al. (2013) [50] | Bauer et al. (2003) [55] | Robinson and Serfaty (2001) [49] | Shingleton et al. (2016) [51] |
|---|---|---|---|---|---|---|---|
| Clear definition of “cause” and “effect” | Y | Y | Y | Y | Y | Y | Y |
| Participants are similar | Y | NA | U | N | U | Y | Y |
| Participants receive similar treatment | NA | NA | Y | Y | Y | Y | Y |
| Control group | N | N | N | N | N | N | Y |
| Multiple measures | Y | Y | Y | Y | Y | Y | Y |
| Complete follow-up | Y | U | Y | Y | Y | Y | Y |
| Outcomes measured in a similar way | Y | Y | Y | Y | Y | Y | Y |
| Outcomes measured in a reliable way | Y | Y | Y | Y | Y | Y | Y |
| Appropriate statistical analysis | Y | Y | Y | Y | U | Y | Y |
| Total | Good | Moderate | Good | Good | Moderate | Good | Good |
| Citation | Robinson | Shapiro | Gulec | ter Huurne | Bauer | Robinson and Serfaty (2001) [ | Shingleton |
|---|---|---|---|---|---|---|---|
| Clear definition of “cause” and “effect” | Y | Y | Y | Y | Y | Y | Y |
| Participants are similar | Y | NA | U | N | U | Y | Y |
| Participants receive similar treatment | NA | NA | Y | Y | Y | Y | Y |
| Control group | N | N | N | N | N | N | Y |
| Multiple measures | Y | Y | Y | Y | Y | Y | Y |
| Complete follow-up | Y | U | Y | Y | Y | Y | Y |
| Outcomes measured in a similar way | Y | Y | Y | Y | Y | Y | Y |
| Outcomes measured in a reliable way | Y | Y | Y | Y | Y | Y | Y |
| Appropriate statistical analysis | Y | Y | Y | Y | U | Y | Y |
| Total | Good | Moderate | Good | Good | Moderate | Good | Good |
Note(s): Abbreviations: Y = Yes; N = No; NA = Not Applicable; U = Unclear
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