Survival analysisTrial effectResearch activityMedicine(GeneralBackground Recent studies have suggested that patients treated in research-active institutions have better outcomes than patients treated in research-inactive institutions. However, little attention has been paid to explaining such effects, probably ...
Mediation analysis in clinical psychology Establishing causality has been a topic of heated debate in recent times (Gawronski & Bodenhausen, 2014). One common criterion for establishing causality is temporal precedence or the demonstration that a purportedly causal mechanism occurs in time (MacKinnon, ...
We have attempted to explain this approach to mediation analysis in a step-by-step manner to help clinical researchers apply this method more easily. ResultsIn unadjusted mediation analyses, fear-avoidance beliefs were identified as a mediator of treatment on disability, with an indirect effect of ...
Using data from 14,251 subjects from the NAGALA (NAfld in the Gifu Area, Longitudinal Analysis) study, mediation analyses were performed to explore the roles of traditional [total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol...
(2010). A general approach to causal mediation analysis. Psychological Methods, 15(4), 309–334. https://doi.org/10.1037/a0020761 Written by Kristoffer Magnusson, a researcher in clinical psychology. You should follow him on Bluesky or on Twitter. Share: MediationCausal inferenceConfounding...
In a meta-analysis of 12 studies completed by Poyatos-Léon et al., physical activity interventions delivered in pregnancy moderately decreased the risk of developing postpartum depressive symptoms [54]. Exercise interventions that started in the first trimester have been shown to reduce depressive ...
The decision rules that were used to guide the consensus meeting and a summary of the anonymized meeting notes appear in eAppendix 1 in the Supplement. Mediation analyses are often secondary analyses (eg, after primary analysis of a randomized clinical trial) and may be reported within the ...
I am a relatively inexperienced Mplus user and was wondering if FIML is used (by default) for path analysis? Specifically, does FIML handle missing data for (manifest) predictor and mediator variables (where some are categorical), as well as control variables that are included in the model ...
In the per-protocol analysis, the intervention had a statistically significant 'total effect' on weight, τ = -4.487, p < .05 (95% CI = -8.208 to -.765). The intervention did not have a statistically significant effect on any of the hypothesized mediators and none of the behavioral ...
Mediation analysis in clinical psychology Establishing causality has been a topic of heated debate in recent times (Gawronski & Bodenhausen, 2014). One common criterion for establishing causality is temporal precedence or the demonstration that a purportedly causal mechanism occurs in time (MacKinnon, ...