Calibration of the global physical activity questionnaire to Accelerometry measured physical activity and sedentary behavior

• Main Authors: Kristen M. Metcalf (Author), Barbara I. Baquero (Author), Mayra L. Coronado Garcia (Author), Shelby L. Francis (Author), Kathleen F. Janz (Author), Helena H. Laroche (Author), Daniel K. Sewell (Author)
• Format: Book
• Published: BMC, 2018-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Self-report questionnaires are a valuable method of physical activity measurement in public health research; however, accuracy is often lacking. The purpose of this study is to improve the validity of the Global Physical Activity Questionnaire by calibrating it to 7 days of accel...