Table 2.
Cochrane risk-of-bias tool version 2 summary.
| Study, year | Randomization process | Deviations from intended interventions | Missing outcome data | Measurement of the outcome | Selection of the reported result | Overall | |||||||
| Effectiveness outcome assessments | |||||||||||||
|
|
An et al, 2013 [18] | Low | Some concerns | High | Some concerns | High | High | ||||||
|
|
Arjadi et al, 2018 [19] | Low | Low | Low | Low | Low | Low |
||||||
|
|
Day et al, 2013 [20] | Low | Low | Low | Low | Some concerns | Some concerns | ||||||
|
|
Dirkse et al, 2020 [21] | Low | Low | Low | Low | Some concerns | Some concerns | ||||||
|
|
Farrer et al, 2011 [22] | Some concerns | Low | Low | Low | High | High | ||||||
|
|
Flynn et al, 2020 [23] | Low | High | High | Low | Some concerns | High | ||||||
|
|
Heber et al, 2016 [24] | Low | Low | Low | Low | Some concerns | Some concerns | ||||||
|
|
Kobak et al, 2015 [25] | Some concerns | High | Low | Low | Some concerns | High | ||||||
|
|
Possemato et al, 2019 [26] | Low | Low | Low | Some concerns | Some concerns | Some concerns | ||||||
|
|
Robinson et al, 2010 [28] | Some concerns | Low | Low | Some concerns | Low | Some concerns | ||||||
|
|
Rosso et al, 2017 [29] | Low | Low | Low | Low | Some concerns | Some concerns | ||||||
|
|
Titov et al, 2010 [30] | Some concerns | Low | High | Low | Some concerns | High | ||||||
| Adherence outcome assessments—completion of whole intervention | |||||||||||||
|
|
Day et al, 2013 [20] | Low | Low | Low | Low | Low | Low | ||||||
|
|
Dirkse et al, 2020 [21] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
|
|
Farrer et al, 2011 [22] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
|
|
Flynn et al, 2020 [23] | Low | High | Low | Low | Low | High | ||||||
|
|
Heber et al, 2016 [24] | Low | Some concerns | Low | Low | Low | Some Concerns |
||||||
|
|
Proudfoot et al, 2012 [27] | Low | Low | Low | Low | High | High | ||||||
|
|
Robinson et al, 2010 [28] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
|
|
Rosso et al, 2017 [29] | Low | Low | Low | Low | Low | Low | ||||||
|
|
Titov et al, 2010 [30] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
| Adherence outcome assessments—completion of minimum dose | |||||||||||||
|
|
An et al, 2013 [18] | Low | Some concerns | Low | Low | Low | Some concerns | ||||||
|
|
Farrer et al, 2011 [22] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
|
|
Proudfoot et al, 2012 [27] | Low | Low | Low | Low | High | High | ||||||
| Adherence outcome assessments—percentage completion of each intervention module | |||||||||||||
|
|
Arjadi et al, 2018 [19] | Low | Low | Low | Low | Low | Low | ||||||
|
|
Farrer et al, 2011 [22] | Some concerns | Low | Low | Low | Low | Some concerns | ||||||
| Adherence outcome assessments—mean number of modules completed | |||||||||||||
|
|
Possemato et al, 2019 [26] | Low | Low | Low | Low | Some concerns | Some concerns | ||||||
| Process outcome assessments | |||||||||||||
|
|
Day et al, 2013 [20] | Low | Low | High | High | Low | High | ||||||
|
|
Dirkse et al, 2020 [21] | Low | Low | Low | High | Some concerns | High | ||||||
|
|
Heber et al, 2016 [24] | Low | Some concerns | High | Low | Low | High | ||||||
|
|
Kobak et al, 2015 [25] | Some concerns | High | Low | Some concerns | Some concerns | High | ||||||
|
|
Possemato et al, 2019 [26] | Low | Low | High | High | Low | High | ||||||
|
|
Robinson et al, 2010 [28] | Some concerns | Low | High | Low | Low | High | ||||||
|
|
Titov et al, 2010 [30] | Some concerns | Low | High | High | Some concerns | High | ||||||