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Title: The role of physical activity and diet on overall and central obesity incidence
Authors: Camões, Miguel
Oliveira, Andreia
Lopes, Carla
Keywords: Health
Body composition
Issue Date: 2011
Publisher: Human Kinetics
Citation: Camões, Miguel; Oliveira, Andreia; Lopes, Carla (2011) - The role of physical activity and diet on overall and central obesity incidence. Journal of Physical Activity & Health. ISSN 1543-3080. 8:6, p. 811-819
Abstract: Evaluate the role of different types of physical activity (PA) and diet on overall and central obesity incidence. Methods: A cohort study with 1,621 adults was conducted in an urban Portuguese population. Anthropometrics were objectively obtained among 1999-2003 and 2005-2008. Overall obesity was defined by a BMI≥30.0 kg/m2 and central obesity by a WC>88.0cm in women and >102.0cm in men. Usual PA and dietary intake were assessed using validated questionnaires. Analyses of obesity incidence were conducted through different types of PA and a “healthy” dietary score. Results: Significant inverse associations were found between leisure-time PA and obesity incidence, namely among subjects classified into the last tertile of energy expenditure, who had approximately a 40% lower risk of developing the disease. Despite higher energy intakes, individuals with a high Physical Activity Level (PAL>1.60) were significantly protected against obesity incidence, RR=0.25(0.09-0.72) and RR=0.47(0.27-0.94), for overall and central obesity, respectively. No significant associations were found between dietary score and obesity incidence rates. Conclusions: In our population, leisure-time PA played a significant role in preventing obesity. In both overall and central obesity, PAL above 60% of the resting metabolic rate and moderate energy intake seem to strike the right balance to prevent obesity.
Peer review: yes
ISSN: 1543-3080
Appears in Collections:DCDEF - Artigos em Revistas Indexados ao ISI/Scopus

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