TABLE 3.

Cochrane risk of bias tool (ROB2): assessment of risk of bias in included studies (Sterne et al., 2019).

Study	Domain 1: Risk of bias arising from the randomisation process	Domain 2: Risk of bias due to deviations from the intended interventions (effect of assignment to intervention)	Domain 3: Risk of bias due to missing outcome data	Domain 4: Risk of bias in measurement of the outcome	Domain 5: Risk of bias in selection of the reported result	Overall risk of bias
Prevention studies
Jacobi et al. (2007)
Jacobi et al. (2012) and Völker et al. (2014)
Low et al. (2006)
Saekow et al. (2015)
Taylor et al. (2006)
Taylor et al. (2016)
Winzelberg et al. (2000)
Zabinski et al. (2001)
Treatment studies
Carrard et al. (2011)
Ruwaard et al. (2013)
Sánchez‐Ortiz et al. (2011)
Wagner et al. (2016)
Relapse prevention studies
Fichter et al. (Fichter et al., 2012, 2013)
Jacobi et al. (2017)

Note: Green, low risk of bias; Red, high risk of bias; Yellow, some concerns.