Corrected Analysis of “The Effects of Bright Light Treatment on Affective Symptoms in People With Dementia: A 24-Week Cluster Randomized Controlled Trial” That Accounts for Clustering and Nesting Verifies Conclusions

Authors

Yasaman Jamshidi-Naeini
Lilian Golzarri-Arroyo
Abu Bakkar Siddique
Colby J Vorland
Miriam Jocelyn Rodriguez
Richard J Holden
David B Allison

Language

English

Publication Date

9-20-2023

Journal

BMC Psychiatry

DOI

10.1186/s12888-023-05180-2

PMID

37730572

PMCID

PMC10510221

PubMedCentral® Posted Date

9-20-2023

PubMedCentral® Full Text Version

Post-print

Abstract

In this correspondence, we explain the reasoning for invalidity of the analysis choices by Kolberg et al., and provide the results produced using correct statistical procedures for their study design. Reassuringly, we could verify the original conclusions. That is, results of the corrected statistical models are similar to the results of the original analysis. Regardless of the magnitude of difference that corrected statistical methods make, results and conclusions that are derived from invalid methods are unsubstantiated. By verifying the results, we allow the readers to be assured that the published conclusions in the study by Kolberg et al. now rest on a sound evidential basis.

Keywords

Humans, Affective Symptoms, Problem Solving, Cluster Analysis, Models, Statistical, Dementia

Published Open-Access

yes

Recommended Citation

Jamshidi-Naeini, Yasaman; Golzarri-Arroyo, Lilian; Siddique, Abu Bakkar; et al., "Corrected Analysis of “The Effects of Bright Light Treatment on Affective Symptoms in People With Dementia: A 24-Week Cluster Randomized Controlled Trial” That Accounts for Clustering and Nesting Verifies Conclusions" (2023). Children’s Nutrition Research Center Staff Publications. 227.
https://digitalcommons.library.tmc.edu/staff_pub/227