Barbara E. Ainsworth|Carl J. Caspersen|Charles E. Matthews|Louise C. Mâsse|Tom Baranowski|Weimo Zhu
Recommendations to Improve the Accuracy of Estimates of Physical Activity Derived From Self Report
Arizona State University|University of Illinois Urbana-Champaign|National Cancer Institute|Centers for Disease Control and Prevention|Children's Nutrition Research Center at Baylor College of Medicine|University of British Columbia|Arizona State University|University of Illinois Urbana-Champaign|National Cancer Institute|Centers for Disease Control and Prevention|Children's Nutrition Research Center at Baylor College of Medicine|University of British Columbia|Arizona State University|University of Illinois Urbana-Champaign|National Cancer Institute|Centers for Disease Control and Prevention|Children's Nutrition Research Center at Baylor College of Medicine|University of British Columbia|Arizona State University|University of Illinois Urbana-Champaign|National Cancer Institute|Centers for Disease Control and Prevention|Children's Nutrition Research Center at Baylor College of Medicine|University of British Columbia|Arizona State University|University of Illinois Urbana-Champaign|National Cancer Institute|Centers for Disease Control and Prevention|Children's Nutrition Research Center at Baylor College of Medicine|University of British Columbia|Arizona State University
context assessment physical activity using selfreport potential measurement error lead incorrect inferences physical activity behaviors bias study results objective provide recommendations improve accuracy physical activity derived self report process provide overview presentations compilation perspectives shared authors paper workgroup members findings identified conceptual framework reducing errors using physical activity selfreport questionnaires framework identifies 6 steps reduce error 1 identifying need measure physical activity 2 selecting instrument 3 collecting data 4 analyzing data 5 developing summary score 6 interpreting data underlying first 4 steps behavioral parameters type intensity frequency duration physical activities performed activity domains location activities performed identified ways reduce measurement error step made recommendations practitioners researchers organizational units reduce error questionnaire assessment physical activity conclusions selfreport measures physical activity prominent role research practice settings measurement error may reduced applying framework discussed paper