Comparing self-reported physical activity and sedentary time to objective fitness measures in a military cohort

Regular vigorous physical activity (PA) and high levels of physical fitness (PF) confer health benefits. Conversely, sedentary time is a risk factor for chronic illness, independent of PA. We evaluated associations between self-reported PA, sedentary time, and objective PF measures in military Service members.Cross-sectional study including 10,105 Air Force Millennium Cohort participants with a valid physical fitness assessment (PFA).Linear...