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Effect on Physical Activity of a Randomized Afterschool Intervention for Inner City Children in 3rd to 5th Grade.

ABSTRACT: Less than 45% of U.S. children meet the 60 min·d(-1) physical activity (PA) guideline. Structured after-school PA programing is one approach to help increase activity levels. This study aimed to evaluate the feasibility and short-term impact of a supervised after-school PA and nutrition education program on activity levels.Forty-two 3rd-5th graders from an inner-city school in Boston, MA were randomly assigned to a 10-wk after-school program of either: 1) weekly nutrition education, or 2) weekly nutrition education plus supervised PA 3 d·wk(-1) at a community-based center. At baseline and follow-up, PA was measured using accelerometry and fitness (VO2max) was estimated using the PACER 15-m shuttle run. Additional measures obtained were non-fasting finger stick total cholesterol (TC) and glucose levels, waist circumference (WC), body mass index (BMI), percent body fat (%BF), and blood pressure (BP). Values are presented as mean±SE, unless noted otherwise.Thirty-six participants completed the study (mean±SD; age 9.7±0.9 years). Participants attended >80% of the sessions. After adjusting for accelerometer wear time and other design factors, light and moderate-to-vigorous PA (MVPA) increased in the nutrition+PA group (+21.5±14.5 and +8.6±8.0 min·d(-1), respectively) and decreased in the nutrition only group (-35.2±16.3 and -16.0±9.0 min·d(-1), respectively); mean difference between groups of 56.8±21.7 min·d(-1) (light PA, p = 0.01) and 24.5±12.0 min·d(-1) (MVPA, p = 0.04). Time spent in sedentary behaviors declined in the nutrition+PA group (-14.8±20.7 min·d(-1)) and increased in the nutrition only group (+55.4±23.2 min·d(-1)); mean difference between groups of -70.2±30.9 min·d(-1) (p = 0.02). Neither group showed changes in TC, BP, WC, %BF, BMI percentile, or fitness (p>0.05).The supervised afterschool community-based nutrition and PA program was well accepted and had high attendance. The changes in light PA and MVPA has potential to promote weight maintenance in inner-city elementary school children, however longer term studies with larger samples are needed.ClinicalTrials.gov NCT01104038.

SUBMITTER: Crouter SE

PROVIDER: S-EPMC4624808 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Effect on Physical Activity of a Randomized Afterschool Intervention for Inner City Children in 3rd to 5th Grade.

Crouter Scott E SE de Ferranti Sarah D SD Whiteley Jessica J Steltz Sarah K SK Osganian Stavroula K SK Feldman Henry A HA Hayman Laura L LL

PloS one 20151028 10

<h4>Background</h4>Less than 45% of U.S. children meet the 60 min·d(-1) physical activity (PA) guideline. Structured after-school PA programing is one approach to help increase activity levels. This study aimed to evaluate the feasibility and short-term impact of a supervised after-school PA and nutrition education program on activity levels.<h4>Methods</h4>Forty-two 3rd-5th graders from an inner-city school in Boston, MA were randomly assigned to a 10-wk after-school program of either: 1) weekl ...[more]

PMID: 26510013

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Project description:BackgroundChildren with asthma in low-income urban areas have high morbidity. Phenotypic analysis in these children is lacking, but may identify characteristics to inform successful tailored management approaches.ObjectiveWe sought to identify distinct asthma phenotypes among inner-city children receiving guidelines-based management.MethodsNine inner-city asthma consortium centers enrolled 717 children aged 6 to 17 years. Data were collected at baseline and prospectively every 2 months for 1 year. Participants' asthma and rhinitis were optimally managed by study physicians on the basis of guidelines. Cluster analysis using 50 baseline and 12 longitudinal variables was performed in 616 participants completing 4 or more follow-up visits.ResultsFive clusters (designated A through E) were distinguished by indicators of asthma and rhinitis severity, pulmonary physiology, allergy (sensitization and total serum IgE), and allergic inflammation. In comparison to other clusters, cluster A was distinguished by lower allergy/inflammation, minimally symptomatic asthma and rhinitis, and normal pulmonary physiology. Cluster B had highly symptomatic asthma despite high step-level treatment, lower allergy and inflammation, and mildly altered pulmonary physiology. Cluster C had minimally symptomatic asthma and rhinitis, intermediate allergy and inflammation, and mildly impaired pulmonary physiology. Clusters D and E exhibited progressively higher asthma and rhinitis symptoms and allergy/inflammation. Cluster E had the most symptomatic asthma while receiving high step-level treatment and had the highest total serum IgE level (median, 733 kU/L), blood eosinophil count (median, 400 cells/mm3), and allergen sensitizations (15 of 22 tested).ConclusionsAllergy distinguishes asthma phenotypes in urban children. Severe asthma often coclusters with highly allergic children. However, a symptomatic phenotype with little allergy or allergic inflammation was identified.

Project description:BackgroundPromoting health-enhancing and sustainable physical activity levels across childhood and adolescence contribute to positive health outcomes as an adult. This study will aim to: a) examine the immediate (pre- to post-intervention) and sustained (1-year post-intervention follow-up) effects of the Children's Health Activity Motor Program-Afterschool Program (CHAMP-ASP) on physical activity, motor competence, and perceived motor competence relative to the comparison ASP, b) examine the immediate and sustained effects of CHAMP-ASP on secondary health outcomes, specifically health-related physical fitness (i.e., cardiorespiratory fitness, muscular strength, percent body fat) and weight status compared to children in the comparison ASP, and c) determine if perceived motor competence mediates the effect of CHAMP-ASP on moderate-to-vigorous physical activity.MethodsThis multicenter cluster randomized trial will be implemented by ASP staff and will be conducted in ASPs located in two city-based cohorts: East Lansing/Lansing and Ann Arbor/Ypsilanti, Michigan. Children (N = 264) who are K-2 graders will participate 35 min/day X 3 days/week for 19 weeks (1995 min) in their afterschool movement program (i.e., CHAMP-ASP vs. comparison). The research team will train ASP staff to implement the program, which will be delivered within the existing ASP offering. Measures of physical activity (accelerometer), motor competence (process and product measures of fundamental motor skills), health-related fitness, perceived motor competence, and anthropometry will be collected pre-, immediately post-, and one-year post-intervention. Random-effects models will be used to assess the clustered longitudinal effect of the intervention on outcome measures.DiscussionThe long-term goal is to provide a sustainable, ecologically-relevant, and evidence-based program during the early elementary years that can be delivered by ASP staff, is health-enhancing, and increases physical activity in children. Findings hold the potential to help shape public health and educational policies and interventions that support healthy development and active living during the early years.Trial registrationClinicalTrials.gov Identifier NCT05342701 .Ethics and disseminationEthical approval was obtained through the Health Sciences and Behavioral Sciences IRB, University of Michigan (HUM00208311). The CHAMP-ASP study is funded by the National Institutes of Health. Findings will be disseminated via print, online media, dissemination events, and practitioner and/or research journals.

Project description:In the U.S., afterschool programs are asked to promote moderate to vigorous physical activity. One policy that has considerable public health importance is California's afterschool physical activity guidelines that indicate all children attending an afterschool program accumulate 30 minutes each day the program is operating. Few effective strategies exist for afterschool programs to meet this policy goal. The purpose of this study was to evaluate a multistep adaptive intervention designed to assist afterschool programs in meeting the 30-minute/day moderate to vigorous physical activity policy goal.A 1-year group randomized controlled trial with baseline (spring 2013) and post-assessment (spring 2014). Data were analyzed 2014.Twenty afterschool programs, serving >1,700 children (aged 6-12 years), randomized to either an intervention (n=10) or control (n=10) group.The employed framework, Strategies To Enhance Practice, focused on intentional programming of physical activity opportunities in each afterschool program's daily schedule and included professional development training to establish core physical activity competencies of staff and afterschool program leaders with ongoing technical assistance.The primary outcome was accelerometry-derived proportion of children meeting the 30-minute/day moderate to vigorous physical activity policy.Children attending intervention afterschool programs had an OR of 2.37 (95% CI=1.58, 3.54) to achieve the physical activity policy at post-assessment compared to control afterschool programs. Sex-specific models indicated that the percentage of intervention girls and boys achieving the physical activity policy increased from 16.7% to 21.4% (OR=2.85, 95% CI=1.43, 5.68) and 34.2% to 41.6% (OR=2.26, 95% CI=1.35, 3.80), respectively. At post-assessment, six intervention afterschool programs increased the proportion of boys achieving the physical activity policy to ?45% compared to one control afterschool program, whereas three intervention afterschool programs increased the proportion of girls achieving physical activity policy to ?30% compared to no control afterschool programs.The Strategies To Enhance Practice intervention can make meaningful changes in the proportion of children meeting the moderate to vigorous physical activity policy within one school year. Additional efforts are required to enhance the impact of the intervention.

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Effect on Physical Activity of a Randomized Afterschool Intervention for Inner City Children in 3rd to 5th Grade.

Publications

Effect on Physical Activity of a Randomized Afterschool Intervention for Inner City Children in 3rd to 5th Grade.

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