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Comment
. 2015;8(2):127-9.
doi: 10.1159/000381434.

Concerning Sichieri R, Cunha DB: Obes Facts 2014;7:221–232. The Assertion that Controlling for Baseline (Pre-Randomization) Covariates in Randomized Controlled Trials Leads to Bias is False

Peng Li, Andrew W Brown, John A Dawson, Kathryn A Kaiser, Michelle M Bohan Brown, Scott W Keith, J Michael Oakes, David B Allison
Comment

Concerning Sichieri R, Cunha DB: Obes Facts 2014;7:221–232. The Assertion that Controlling for Baseline (Pre-Randomization) Covariates in Randomized Controlled Trials Leads to Bias is False

Peng Li et al. Obes Facts. 2015.
No abstract available

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References

    1. Sichieri R, Cunha DB. Unbalanced baseline in school-based interventions to prevent obesity: adjustment can lead to bias – a systematic review. Obes Facts. 2014;7:221–232. - PMC - PubMed
    1. Crespi CM, Maxwell AE, Wu S. Cluster randomized trials of cancer screening interventions: are appropriate statistical methods being used? Contemp Clin Trials. 2011;32:477–484. - PMC - PubMed
    1. Huck SW, McLean RA. Using a repeated measures ANOVA to analyze the data from a pretest-posttest design: a potentially confusing task. Psychol Bull. 1975;82(4):511–518.
    1. Allison DB. When is it worth measuring a covariate in a randomized clinical trial? J Consult Clin Psychol. 1995;63:339–343. - PubMed
    1. Lazar AA, Zerbe GO. Solutions for determining the significance region using the Johnson-Neyman type procedure in generalized linear (mixed) models. J Educ Behav Stat. 2011;36:699–719. - PMC - PubMed