Risk of Bias in Randomized Clinical Trials on Psychological Therapies for Post-Traumatic Stress Disorder in Adults:

Chronic Stress

JulianaMartins Scalabrin¹ 

关键词: psychotherapy;    post-traumatic stress disorder;    psychometrics;    scale evaluation;   

DOI  :  10.1177/2470547018779066

学科分类：医学（综合）

来源: Sage Journals

【 摘 要 】

ObjectiveTo evaluate the factorial validity and internal consistency of a measurement model underlying risk of bias as endorsed by Cochrane for use in systematic reviews; more specifically, how the risk of bias tool behaves in the context of studies on psychological therapies used for treatment of post-traumatic stress disorder in adults.MethodsWe applied confirmatory factor analysis to a systematic review containing 70 clinical trials entitled “Psychological Therapies for Chronic Post-Traumatic Stress Disorder in Adults” under a Bayesian estimator. Seven observed categorical risk of bias items (answered categorically as low, unclear, or high risk of bias) were collected from the systematic review.ResultsA unidimensional model for the Cochrane risk of bias tool items returned poor fit indices and low factor loadings, indicating questionable validity and internal consistency.ConclusionAlthough the present evidence is restricted to psychological interventions for post-traumatic stress disorder, it demonstra...

【 授权许可】

CC BY