“…Six studies examined cognitive behavioural therapy (CBT) delivered online ( n = 2; Baylis, Ekdahl, Haines, & Rubertsson, 2019 ; Hildingsson & Rubertsson, 2019 ; Larsson et al, 2017 ; Larsson, Hildingsson, Ternström, Rubertsson, & Karlström, 2019 ; Nieminen et al, 2015 ; Nieminen, Andersson, Wijma, Ryding, & Wijma, 2016 ; Rondung et al, 2018 ) or face-to-face ( n = 4; Kordi, Bakhshi, Masoudi, & Esmaily, 2017 ; Saisto, Salmela-Aro, & Nurmi, 2001 ; Sydsjö et al, 2015 ; Uçar & Golbasi, 2019 ). Studies either had no control group ( n = 1; Nieminen et al, 2015 , 2016 ) or compared the intervention to other talking therapies ( n = 2; Baylis et al, 2019 ; Hildingsson & Rubertsson, 2019 ; Larsson et al, 2017 , 2019 ; Rondung et al, 2018 ; Saisto et al, 2001 ) or standard medical care (SMC; n = 3; Kordi et al, 2017 ; Sydsjö et al, 2015 ; Uçar & Golbasi, 2019 ). Two studies had a low risk of bias and the rest medium.…”