The publisher apologizes for the errors. There is an error in affiliations 2 and 3 for authors, Sachiko Kuroda and Hideo Owan. The correct affiliation 2 is: Faculty of Education and Integrated Arts and Sciences, Waseda University, Japan; and the correct affiliation 3 is: The Research Institute of Economy, Trade and Industry, Tokyo, Japan.
In the Analysis of covariance (ANCOVA) subsection of the Estimation strategy, there is an error in the first equation. The correct Eq 1 is:
(1)
where
, and
are the outcome measures for worker i from the baseline (t = 0) and follow-up (t = 1) surveys, and nT and nC are the number of workers in the treatment group and in the control group, respectively.
Reference
Citation: The PLOS ONE Staff (2023) Correction: The impact of a mobile app-based corporate sleep health improvement program on productivity: Validation through a randomized controlled trial. PLoS ONE 18(11): e0295158. https://doi.org/10.1371/journal.pone.0295158
Published: November 28, 2023
Copyright: © 2023 The PLOS ONE Staff. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.