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Table 3 Main effect of groups

From: Low intensity technology-delivered cognitive behavioral therapy for obsessive-compulsive disorder: a meta-analysis

Study

Type of control group

Y-BOCS

Y-BOCS and DOCS combined

OCI-R

  

g

99% CI

g

99% CI

g

99% CI

Andersson et al., 2012 [51]

Other treatments (online non-directive supportive therapy); N = 51

−1.11

− 1.53 to − 0.69

−1.11

− 1.53 to − 0.69

 

Greist et al., 2002 (a) [52]

Other treatments (clinician guided face-to-face); N = 69

0.21

− 0.17 to 0.58

0.21

−0.17 to 0.58

 

Greist et al., 2002 (b) [52]

Other treatments (relaxation); N = 75

−0.73

−1.10 to − 0.36

−0.73

−1.10 to − 0.36

 

Hauschildt, Schröder& Moritz, 2016 [53]

Other treatments (only psychoeducation); N = 64

− 0.10

−0.45 to 0.25

− 0.10

−0.45 to 0.25

 

Kyrios et al., 2018 [55]

Other treatments (internet-based PMR); N = 90

−0.55

−0.89to − 0.21

−0.55

− 0.89, − 0.21

 

Mahoney et al., 2014 [60]

Other treatments (treatment as usual); N = 35

 

− 0.74

−1.27 to − 0.20

 

Vogel et al., 2014 (b) [62]

Other treatments (video-conference assisted ERP); N = 10

2.06

0.97 to 3.14

2.06

0.97 to 3.14

 

Schröder et al., 2020 [63]

Other treatments (face-to-face CBT); N = 64

−0.23

−0.64 to 0.17

− 0.23

−0.64 to 0.17

 

Wootton et al., 2013 [57]

Passive (WLC); N = 17

−1.79

− 2.67to − 0.90

− 1.25

−2.08to − 0.42

 

Herbst et al., 2014 [54]

Passive (WLC); N = 18

−0.77

−1.47 to − 0.07

−0.77

−1.47 to − 0.07

−0.84

−1.54 to − 0.13

Schneider et al., 2014 [58]

Passive (WLC); N = 31

−0.48

− 0.98to 0.01

−0.48

− 0.98to 0.01

−0.23

− 0.72to 0.26

Moritz et al., 2010 [28]

Passive (WLC); N = 43

− 0.44

−0.94to 0.06

− 0.44

−0.94to 0.06

− 0.46

−0.96to 0.04

Moritz et al., 2018 [27]

Passive (WLC); N = 35

−0.47

−1.00 to 0.06

− 0.47

− 1.00 to 0.06

−0.31

− 0.84 to 0.22

Moritz & Jelinek, 2011 [59]

Passive (WLC); N = 23

− 0.93

− 1.66 to − 0.21

−0.93

− 1.66 to − 0.21

−0.41

−1.11 to 0.29

Moritz et al., 2019 [29, 30]

Passive (WLC); N = 76

−0.03

− 0.71 to 0.66

−0.03

− 0.71 to 0.66

−0.40

− 0.93 to 0.12

Moritz, Bernardini & Lion, 2019 [29]

Passive (WLC); N = 39

0.66

−0.56 to 1.87

0.66

−0.56 to 1.87

− 0.02

−0.60 to 0.55

Wootton et al., 2019 [61]

Passive (WLC); N = 75

−1.01

− 1.40 to − 0.63

−0.93

−1.66 to − 0.21

 

Vogel et al., 2014 (a) [62]

Passive (WLC); N = 36

− 0.13

− 1.01 to 0.75

−0.13

− 1.01 to 0.75

 

Overall estimate (remote treatment vs. passive controls)

 

−0.59*

−0.99 to − 0.18

−0.55**

− 0.87 to − 0.24

−0.36*

− 0.62 to − 0.09

Overall estimate (remote treatment vs. controls with other treatments)

 

− 0.14

−1.02 to 0.74

−0.22

− 0.97 to 0.53

  
  1. Main effect of groups legend
  2. WLC wait list control group, Y-BOCS Yale-Brown Obsessive-Compulsive Scale, OCI-R Obsessive-Compulsive Inventory-Revised, DOCS Dimensional Obsessive-Compulsive Scale, CI Confidence interval. Significance codes = *** < 0.001; ** < 0.01; * < 0.05