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. 2022 Sep 30;14(19):4062.
doi: 10.3390/nu14194062.

Mixed Random and Nonrandom Allocation, and Group Randomization Have Been Mislabeled and Misanalysed, Necessitating Reanalysis. Comment on Conner et al. KiwiC for Vitality: Results of a Randomized Placebo-Controlled Trial Testing the Effects of Kiwifruit or Vitamin C Tablets on Vitality in Adults with Low Vitamin C Levels. Nutrients 2020, 12, 2898

Colby J Vorland  1 , Yasaman Jamshidi-Naeini  2 , Lilian Golzarri-Arroyo  2 , Andrew W Brown  1 , David B Allison  2
Affiliations

Mixed Random and Nonrandom Allocation, and Group Randomization Have Been Mislabeled and Misanalysed, Necessitating Reanalysis. Comment on Conner et al. KiwiC for Vitality: Results of a Randomized Placebo-Controlled Trial Testing the Effects of Kiwifruit or Vitamin C Tablets on Vitality in Adults with Low Vitamin C Levels. Nutrients 2020, 12, 2898

Colby J Vorland et al. Nutrients. .

Abstract

We read the report by Conner and colleagues that tested whether kiwifruit or vitamin C affected measures of vitality [...].

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Conflict of interest statement

In the past 12 months, Dr. Brown has received grants through his institution from Alliance for Potato Research & Education, Egg Nutrition Center, National Cattlemen’s Beef Association, NIH/NHLBI, and NIH/NIDDK. He has been involved in research for which his institution or colleagues have received grants or contracts from Center for Open Science, Gordon and Betty Moore Foundation, Hass Avocado Board, Indiana CTSI, National Cattlemen’s Beef Association, NIH/NHLBI, and NIH/NIA. He has received honoraria from the University of Arkansas. His wife is employed by Reckitt Benckiser. In the last 12 months, Dr. Allison has received personal payments or promises for same from: Alkermes Inc.; American Society for Nutrition; American Statistical Association; Arnold Ventures (formerly the Laura and John Arnold Foundation); Big Sky Health, Inc.; Dynamics AQS; Glanbia; Henry Stewart Talks; Indiana University; Johns Hopkins University; Kaleido Biosciences; Law Offices of Ronald Marron; National Institutes of Health (NIH); Sage Publishing; The Obesity Society; Tomasik, Kotin & Kasserman LLC; University of Alabama at Birmingham; National Academy of Sciences; Medpace/Gelesis; Sports Research Corp.; Whistle Labs, Inc.; Donations to a foundation have been made on his behalf by the Northarvest Bean Growers Association. Dr. Allison is an unpaid member of the International Life Sciences Institute North America Board of Trustees. Dr. Allison’s institution, Indiana University, and the Indiana University Foundation have received funds to support his research or educational activities from: NIH; USDA; Soleno Therapeutics; National Cattlemen’s Beef Association; Eli Lilly and Co.; Reckitt Benckiser Group PLC; Alliance for Potato Research and Education; American Federation for Aging Research; Dairy Management Inc.; Arnold Ventures; the Gordon and Betty Moore Foundation; the Alfred P. Sloan Foundation; and numerous other for-profit and non-profit organizations to support the work of the School of Public Health and the university more broadly. Other authors report no disclosures.

Comment on

  • Nutrients. 12:2898.

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