TO OUR READERS: An error appeared in the following article:
Bauman AE, Richards JA. Understanding the single-item physical activity question for population surveillance. J Phys Act Health. 2022;19(10),681–686. https://doi.org/10.1123/jpah.2022-0369
The author affiliation for Justin A. Richards was updated. The article was corrected January 31, 2023.
