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The Energy Balance Study: The Design and Baseline Results for a Longitudinal Study of Energy Balance
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Hand, Gregory A.; Shook, Robin P.; Paluch, Amanda E.; Baruth, Meghan; Crowley, E. Patrick; Jaggers, Jason R.; Prasad, Vivek K.; Hurley, Thomas G.; Hebert, James R.; O'Connor, Daniel P.; Archer, Edward; Burgess, Stephanie; Blair, Steven N. – Research Quarterly for Exercise and Sport, 2013
Purpose: The Energy Balance Study (EBS) was a comprehensive study designed to determine over a period of 12 months the associations of caloric intake and energy expenditure on changes in body weight and composition in a population of healthy men and women. Method: EBS recruited men and women aged 21 to 35 years with a body mass index between 20…
Descriptors: Body Weight, Body Composition, Energy, Eating Habits
Construct Validity Evidence for Single-Response Items to Estimate Physical Activity Levels in Large Sample Studies
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Jackson, Allen W.; Morrow, James R., Jr.; Bowles, Heather R.; FitzGerald, Shannon J.; Blair, Steven N. – Research Quarterly for Exercise and Sport, 2007
Valid measurement of physical activity is important for studying the risks for morbidity and mortality. The purpose of this study was to examine evidence of construct validity of two similar single-response items assessing physical activity via self-report. Both items are based on the stages of change model. The sample was 687 participants (men =…
Descriptors: Physical Activities, Physical Activity Level, Construct Validity, Guidelines