Suchada Sutthiworapon, Polathep Vichitkunakorn, Kittisakdi Choomalee, Pitchayanont Ngamchaliew
Effect of online infographics for enhancing health literacy among patients with type 2 diabetes in primary care unit during the COVID-19 pandemic: a randomized controlled trial
BMC primary care
balance feasibility validity measures important consideration physical activity research particularly schoolbased research youth present study extends previously tested calibration methods develop test new equations online version youth activity profile yap tool selfreport tool designed school applications data collected across different regions seasons develop robust generalizable equations study involved total 717 youth 33 schools 374 elementary ages 911 224 middle ages 1114 119 high school ages 1418 two different states us participants wore sensewear monitor full week completed online yap school report physical activity pa sedentary behaviors sb school home accelerometer data processed using rbased segmentation program compute pa sb levels quantile regression models used half sample develop itemspecific yap calibration equations cross validated remaining half sample computed values mean absolute percent error mape ranged 1525 slightly lower error observed middle school sample new equations improved precision compared previous versions tested sample online version yap provides efficient effective way capture school level estimates pa sb youth