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Table 4 Risk of bias of non-rcts examining psychosocial treatments of nightmares

From: Psychosocial treatments for nightmares in adults and children: a systematic review

Author (year)

Participant Selection

Confounds

Blinding

Selective Reporting

Data sampling

Balliett et al [69]

Low

Unclear

Low

Low

Low

Berlin et al [70]

Low

High

Unclear

High

Unclear

Bishop et al [71]

Low

Unclear

Unclear

Low

Low

Cavera et al [72]

Low

Low

Unclear

Low

Unclear

Criswell et al [73]

High

High

High

Unclear

Low

Davis & Wright [74]

Low

Unclear

Unclear

Low

Unclear

Davis et al [75]

Low

Unclear

Unclear

Low

Unclear

Eakman et al [76]

Unclear

Unclear

Unclear

High

Unclear

Ellis et al [77]

Unclear

High

Unclear

High

Low

Fernandez et al [78]

Low

High

High

Low

High

Gellis & Gehrman [79]

Low

High

Unclear

Low

Low

Germain & Nielsen [80]

Low

Unclear

Unclear

High

Low

Germain et al [81]

Unclear

Unclear

Unclear

Unclear

Unclear

Grandi et al [82]

Low

Unclear

Unclear

Low

Low

Harb et al [83]

Low

High

Unclear

Unclear

Low

Harb et al [84]

Low

Low

Low

Low

Low

Hauri et al [85]

Unclear

High

Unclear

High

High

Kovacevic & Davis [86]

Low

Unclear

Low

Low

Unclear

Krakow et al [87]

Low

High

Unclear

Low

Unclear

Linden et al [88]

Unclear

Unclear

Unclear

High

High

Long et al [89]

Low

High

High

Low

Low

Lu et al [90]

Low

High

High

Low

Low

McNamara et al [91]

High

High

Unclear

High

Low

Miller et al [92]

Low

High

Low

Low

Low

Moore & Krakow [93]

Low

High

High

Low

Low

Nappi et al [94]

Low

High

High

Low

Low

Peirce [95]

Low

High

High

Unclear

High

Sheaves et al [96]

Low

Unclear

High

Low

Unclear

Simbard & Nielsen [68]

Low

Low

High

Unclear

Low

Spoormaker et al [97]

Low

Unclear

Unclear

High

High

Tufnell [98]

High

High

High

High

High

Wanner et al [99]

Low

High

High

Low

Unclear

White [100]

High

Unclear

High

High

High

Woo [76]

Low

Unclear

High

High

High

  1. Low Low risk of bias, high High risk of bias, unclear Unclear risk of bias (not reported or under reported)