“Correlates of Low Physical Activity Levels in Aging Men and Women: The DR’s EXTRA Study ((ISRCTN45977199)” by Hakola L et al. Journal of Aging and Physical Activity © 2014 Human Kinetics, Inc. Note: This article will be published in a forthcoming issue of the Journal of Aging and Physical Activity. This article appears here in its accepted, peer-reviewed form; it has not been copy edited, proofed, or formatted by the publisher. Section: Original Research Article Title: Correlates of Low Physical Activity Levels in Aging Men and Women: The DR’s EXTRA Study ((ISRCTN45977199) Authors: Leena Hakola 1 , Maija Hassinen 1 , Pirjo Komulainen 1 , Timo A. Lakka 1,2 , Kai Savonen 1,3 , and Rainer Rauramaa 1,3 Affiliations: 1 Kuopio Research Institute of Exercise Medicine, Kuopio, Finland. 2 Department of Physiology, Institute of Biomedicine, University of Eastern Finland, Kuopio Campus, Kuopio, Finland. 3 Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland. Running Head: Correlates of Low Physical Activity Levels Journal: Journal of Aging and Physical Activity Acceptance Date: May 8, 2014 ©2014 Human Kinetics, Inc. DOI: http://dx.doi.org/10.1123/japa.2013-0169