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Physical inactivity is one of the four leading risk factors for global mortality. Accurate measurement of physical activity (PA) and in particular by physical activity questionnaires (PAQs) remains a challenge. The aim of this paper is to provide an updated systematic review of the reliability and validity characteristics of existing and more recently(More)
OBJECTIVES To assess the effectiveness of dietetic treatment for obese children and to report details of dietary interventions. DATA SOURCES English-language articles from 1975 to 2003 available from health and medical databases. STUDY SELECTION Randomized controlled trials with subjects younger than 18 years of age that included a dietary intervention(More)
BACKGROUND Statistical mediation analysis can be used to improve the design of obesity prevention and treatment programs by identifying the possible mechanisms through which an intervention achieved its effects. The aim of this study was to identify mediators of weight loss in an Internet-based weight-loss program specifically designed for overweight men.(More)
OBJECTIVE To describe dietary changes in men participating in an obesity intervention as part of the Self-Help, Exercise and Diet using Information Technology (SHED-IT) study. DESIGN An assessor-blinded randomized controlled trial comparing Internet (n 34) v. information-only groups (n 31) with 6-month follow-up. Dietary intake assessed by FFQ, reporting(More)
BACKGROUND Childhood obesity is one of the most pressing health issues of our time. Key health organizations have recommended research be conducted on the effectiveness of well-designed interventions to combat childhood obesity that can be translated into a variety of settings. This paper describes the design and methods used in the Hunter Illawarra Kids(More)
BACKGROUND Obesity is a major cause of preventable death in Australia with prevalence increasing at an alarming rate. Of particular concern is that approximately 68% of men are overweight/obese, yet are notoriously difficult to engage in weight loss programs, despite being more susceptible than women to adverse weight-related outcomes. There is a need to(More)
* The affiliations of the individual task force members are provided for identification purposes only and do not represent endorsements by those organizations or agencies. (HSPI) is a unique, nonpartisan " think and do tank " that builds bridges between theory and practice to advance homeland security through a multi and interdisciplinary approach. By(More)
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