Sharon E Taverno Ross, Marsha Dowda, Myriam E Torres, Alexander C McLain, Russell R Pate
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Race/Ethnicity and Change in Physical Activity From Infancy to Preschool Age.
Purpose: To examine the associations of race/ethnicity with the developmental pattern for physical activity (PA) as children transition from infancy to preschool age, and to examine the influence of race/ethnicity on the associations between parent-reported contextual factors and children's PA.
Method: Participants included 125 mother/child dyads (n = 38 Black, n = 25 Latino, n = 62 White) completing assessments at 6, 12, 18, 24, 30, and 36 months of age. Child PA was measured with ActiGraph GT3X accelerometers and mothers completed a survey. Adjusted growth curve models examined the associations of race/ethnicity with the developmental patterns for PA and explored whether the association between change in the contextual variables and PA varied by race/ethnicity.
Results: Overall, White (P < .001) and Latino (P < .05) children engaged in significantly more PA compared with Black children. Boys accumulated more PA per hour than their female counterparts (P < .001). Race/ethnicity significantly influenced the associations between the PA patterns and television viewing/screen media use, PA equipment in the home, and mothers' report of stressful life events (P < .05).
Conclusion: This study presents an initial attempt to examine these relationships; more longitudinal research with larger samples are needed. Such knowledge is critical to inform PA interventions to promote PA in children of diverse racial/ethnic backgrounds.
期刊介绍：
Pediatric Exercise Science is a journal committed to enriching the scientific knowledge of exercise during childhood and adolescence. To this end it publishes information that contributes to an understanding of (a) the unique aspects of the physiologic, physical, biochemical, and psychologic responses of children to exercise, (b) the role of exercise in the treatment of pediatric chronic diseases, (c) the importance of physical activity in the prevention of illness and preservation of wellness, and (d) the means by which participation in sports may be made safer and more enjoyable for children and youth. Consideration will be given for publication of work by various methodologies consistent with the scientific approach.
Besides original research, the journal includes review articles, abstracts from other journals, book reviews, and editorial comments. Pediatric Exercise Science encourages the expression of conflicting opinions regarding children and exercise by providing a forum for alternative viewpoints. At the same time it serves as a means of accumulating a base of research information that will allow application of experimental data to clinical practice. The scientific disciplines contributing to this body of knowledge are diverse. Therefore it is the purpose of this journal to provide a common focus for disseminating advances in the science of exercise during childhood. In doing so, the journal allows the opportunity for cross-fertilization of ideas between disciplines that will potentiate the growth of knowledge in this field. Pediatric Exercise Science seeks to stimulate new ideas regarding exercise in children and to increase the awareness of scientists, health care providers, and physical educators of the importance of exercise during childhood.
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