Physical Activity Assessed by Accelerometry in Rural African School-Age Children and Adolescents

in Pediatric Exercise Science
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Physical activity (PA) in children/adolescents of both genders from a rural community in Mozambique was estimated by accelerometry and by questionnaire and was compared with PA of Portuguese youth. Total PA, moderate (MPA), vigorous (VPA) and very vigorous (VVPA) were evaluated. Mozambican boys were more active than girls. Intensity of PA declined significantly with age. Survival activities, such as household tasks, were the predominant mode of PA. Compared with Portuguese children/adolescents, Mozambicans had significantly higher total PA; showed less decline of PA with age and engaged in fewer minutes at higher intensity PA. Environmental factors likely explain documented differences.

Prista, Nhantumbo, and Saranga are with Faculty of Physical Education and Sports Sciences. Pedagogic University, Maputo, Mozambique. Lopes is with Sports Science Dept., Polytechnic Institute of Bragança, Portugal, and Research Center in Sports Sciences, Health Sciences and Human Development, Portugal. Maia, Seabra, and Vinagre are with Faculty of Sports, University of Porto. Porto – Portugal. Conn is with Nutrition/Dietetics Program, University of New Mexico, Albuquerque, NM 87131. Beunen is with Dept. of Biomedical Kinesiology. Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Tervuursevest 101 B3001 Leuven.