Department of Public Health, University of Turku and Turku University Hospital, Finland; Paavo Nurmi Centre & Department of Health and Physical Activity, University of Turku, Turku, Finland. Electronic address: tuija.leskinen@utu.fi.
This study aims to examine the association between change in physical activity over time and accumulation of cardiometabolic risk factors. Four consecutive surveys (Time 1 to 4) were conducted with 4-year intervals in 1997-2013 (the Finnish Public Sector study). Physical activity of 15,634 cardio-metabolically healthy participants (mean age 43.3 (SD 8.7) years, 85% women) was assessed using four-item survey measure and was expressed as weekly metabolic equivalent (MET) hours in Time 1, 2, and 3. At each time point, participants were categorised into low (