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Table 1 Characteristics of included studies

From: Efficacy and acceptability of parent-only group cognitive behavioral intervention for treatment of anxiety disorder in children and adolescents: a meta-analysis of randomized controlled trials

Study

Intervention(n)

Diagnosis

Type of Anxiety

Age, Range

(Mean)

TreatmentDuration

Treatment

Sessions

Anxiety Scales

Primary Efficacy

Outcomes

RSG

AC

BPP

BOA

IOD

SR

OB

Cartwright-Hatton

2011 [18]

parent only CBT(38)

vs. WL(36)

ADIS-IV

PD&SAD &SPP&SOP

2.7–9(6.6±2)

10 w

10 Sessions

MASC-C

0.39 vs.-3.26

+

+

–

–

+

+

?

Cobham

2017 [13]

parent only CBT(33)

vs. WL(30)

ADIS-IV

GAD&SAD&SPP&SOP

7–14(9.3±2)

6 w

6 Sessions

SCAS-C

−10.5.vs.2.8

+

?

–

–

+

+

+

Mendlowitz 1999 [27]

parent only CBT(21)

vs. CBT + parent(18)

DSM-IV

Mixed anxiety disorders

7–12(9.8±x)

12w

12 Sessions

RCMAS-37

−4 vs. 0

?

?

–

–

+

+

+

Monga 2015 [28]

parent only CBT(32)

vs. CBT + parent(45)

ADIS-IV

Mixed anxiety disorders

5–7(6.8±0.8)

11w

11 Sessions

SCARED-P

−5.73vs.-4.42

?

?

–

+

+

+

+

Özyurt 2016 [29]

CBT parent only(37)

vs. WL(37)

K-SADS-PL

GAD&SAD&SPP&SOP

8–12(9.7±1.45)

8 w

8 Sessions

SCARED-C-41

−12.42 vs.-1.31

+

?

–

–

?

–

+

Waters 2009 [17]

parent only CBT(38)

vs. CBT + parent(31)vs. WL(11)

ADIS-IV

GAD&SAD&SPP&SOP

4–8(6.8±1.19)

10w

10 Sessions

CSR

−4.27 vs.-3.68vs.-0.60

?

?

+

+

+

+

+

  1. Abbreviations: AC allocation concealment, ADIS Anxiety Disorders Interview Schedule for DSM-4, BOA blinding of outcome assessment, BPP blinding of participants and personnel, CBT cognitive-behavioral therapy, CSR Clinician severity ratings, DSM Diagnostic and Statistical Manual of Mental Disorders, IOD incomplete outcome data, MASC Multidimensional Anxiety Scale for Children, OB other bias, RCMAS Revised Children’s Manifest Anxiety Scale, RSG random sequence generation, SADS Schedule for Affective Disorders and Schizophrenia, SCARED Screen for Anxiety and Related Disorders, SCAS Spence Children’s Anxiety Scale, SR selective reporting, WL waitlist
  2. Symbol: -:high risk of bias, +:low risk of bias,?:unclear risk of bias, x:not stated