To cite chms in publications, please use: Clarke J, Gribbon A, St-Laurent M, Ferrao T, Barnes J, Kuzik N, Colley R (2026). “Comparison of physical activity and sedentary time measured with the ActiGraph GT3X-BT and Actical accelerometers.” _Health Rep_, *18*(37(2)), 3-15. doi:10.25318/82-003-x202600200001-eng . A BibTeX entry for LaTeX users is @Article{, title = {Comparison of physical activity and sedentary time measured with the ActiGraph GT3X-BT and Actical accelerometers}, author = {J Clarke and A Gribbon and M St-Laurent and T Ferrao and J Barnes and N Kuzik and R Colley}, journal = {Health Rep}, year = {2026}, volume = {18}, number = {37(2)}, pages = {3-15}, doi = {10.25318/82-003-x202600200001-eng}, }