Study of Health and Activity in Preschool Environments (SHAPES): Study protocol for a randomized trial evaluating a multi-component physical activity intervention in preschool children

BMC Public Health

Russell R Pate⁵  Cheryl L Addy⁴  Marsha Dowda⁵  William H Brown³  Ruth P Saunders¹  Karin A Pfeiffer² 

[1] Department of Heath Education and Behavior, University of South Carolina, 800 Sumter Street, Columbia, SC 29208, USA;Department of Kinesiology, Michigan State University, 308 West Circle Drive, 27R Intramural Rec Sports- Circle, East Lansing, MI 48824, USA;Department of Educational Studies, University of South Carolina, 801 Sumter Street, Columbia, SC 29208, USA;Department of Epidemiology and Biostatistics, University of South Carolina, 800 Sumter Street, Columbia, SC 29208, USA;Children’s Physical Activity Research Group Department of Exercise Science, University of South Carolina, 921 Assembly Street, Columbia, SC 29208, USA

关键词: Childcare;    School;    Pre-K;    Policy;    Young children;   

Others  :  1161954
DOI  :  10.1186/1471-2458-13-728

 received in 2013-06-25, accepted in 2013-08-01,  发布年份 2013

【 摘 要 】

Background

Physical inactivity is a recognized public health concern. Inadequate proportions of children in the U.S, including those of preschool age, are meeting physical activity recommendations. In response to low numbers of preschool children attaining appropriate physical activity levels, combined with the large number of young children who attend preschool, researchers have identified the need to devise interventions to increase physical activity at preschools. However, few multi-component interventions to increase physical activity in preschool children exist. The aims of this study were to observe the effects of a multi-component intervention on physical activity, sedentary behavior, and physical activity energy expenditure in 3-5 year-old children; identify factors that associate with change in those variables; and evaluate the process of implementing the multi-component intervention. The purpose of this manuscript is to describe the study design and intervention protocol.

Methods/design

The overall design of the Study of Health and Activity in Preschool Environments (SHAPES) was a two-year randomized trial (nested cohort design), with two conditions, two measurement occasions, and preschool serving as the unit of analysis. Sixteen schools (eight intervention and eight control) were enrolled. The intervention protocol was based on the social ecological model and included four main components: (a) indoor physical activity (“move inside”), (b) recess (“move outside”), (c) daily lessons (“move to learn”), and (d) social environment. Components were implemented using teacher and administrator trainings and workshops, site support visits, newsletters, and self-monitoring methods. Outcomes included accelerometer assessment of physical activity, sedentary behavior, and physical activity energy expenditure; weight status; and demographic factors; family/home social and physical environment; and parental characteristics. An extensive process evaluation battery was also used to monitor dose delivered by interventionists, completeness of intervention component delivery by teachers, and fidelity of teachers’ implementation.

Discussion

The study will address important gaps relative to increasing physical activity in preschool children. Few studies to date have incorporated a multi-component approach, rigorous measurement protocol, and thorough evaluation of intervention implementation.

Trial registration

NCT01885325

【 授权许可】

   
2013 Pfeiffer et al.; licensee BioMed Central Ltd.

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