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Enhancing Self Regulation as a Strategy for Obesity Prevention in Head Start Preschoolers

18 de julho de 2017 atualizado por: Julie Lumeng, University of Michigan
The goal of this integrated project targeting the Childhood Obesity Prevention Challenge Area is to reduce the prevalence of obesity among children attending Head Start in Michigan. The proposed intervention program is based on Social Cognitive theory and the premise that enhancing children's capacity for emotional and behavioral self-regulation is a key component of effective obesity prevention. A randomized controlled trial design is proposed to evaluate, among 600 Head Start children and their parents, the effectiveness of 2 approaches to obesity prevention: (1) the Parents of Preschoolers Prevention Series (POPS), a curriculum delivered to preschoolers and their parents focused on obesity-related health behaviors; and (2) POPS in combination with the Incredible Years Series (IYS), an evidence-based program designed to improve preschoolers' emotional and behavioral self-regulation. The research objective is to test the hypotheses that: (1) POPS, compared to Usual Head Start exposure, will lead to greater improvements in obesity-related health behaviors and adiposity indices; and (2) POPS + IYS will lead to the greatest improvements in obesity-related health behaviors and adiposity indices, and this effect will be mediated by improved self-regulation. The extension objective is to evaluate the feasibility, fidelity, and educational effectiveness of the POPS and POPS + IYS interventions, as delivered by paraprofessionals and educators within Extension and Head Start. The education objective is to provide Extension and Head Start staff non-formal training and educational curricula which can be widely disseminated. The long-term goal of this project is disseminate a novel and effective approach to obesity prevention in preschoolers.

Visão geral do estudo

Tipo de estudo

Intervencional

Inscrição (Real)

697

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

    • Michigan
      • Ann Arbor, Michigan, Estados Unidos, 48109-5406
        • University of Michigan

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

2 anos a 6 anos (Filho)

Aceita Voluntários Saudáveis

Sim

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • child is enrolled in Head Start

Exclusion Criteria:

  • Significant developmental disabilities that would preclude participation
  • Child is a foster child
  • Parent is non-English speaking

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Prevenção
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Sem intervenção: Usual Head Start Exposure
Children will attend their usual Head Start classroom and receive the usual educational interventions provided in that classroom.
Experimental: Parents of Preschoolers Series (POPS)
Children attend Head Start preschool. Within the classroom, they receive a series of lessons about nutrition and obesity prevention delivered by an Extension Educator in collaboration with the classroom teacher. Parents are invited to attend a series of classes about nutrition and obesity prevention.

The POPS-Parent intervention consists of eight 60-90 minute lessons about preventing childhood obesity followed by four 10-minute reinforcing telephone contacts. Each lesson includes opportunities for parents to develop and practice skills, and a discussion of strategies to overcome challenges and problem-solving techniques, with an emphasis on building knowledge and self-efficacy.

The POPS-Child Intervention uses children's stories with embedded healthy nutrition themes. Five lessons (6 books) are delivered over 12 weeks. Activities include classroom cooking experiences, games/activities associated with the story's nutrition themes, and goal setting. "Family Links" and "Parent Pages" are sent home to reinforce content from school to home.

Experimental: POPS + Incredible Years Series (IYS)
Children attend Head Start preschool. Within the classroom, they receive a series of lessons about nutrition and obesity prevention delivered by an Extension Educator in collaboration with the classroom teacher. Parents are invited to attend a series of classes about nutrition and obesity prevention. In the classroom, children also receive a series of lessons about emotional and behavioral self-regulation delivered by a trained mental health specialist. The parents also are invited to classes about child behavioral and emotional self-regulation delivered by a mental health specialist.

The POPS-Parent intervention consists of eight 60-90 minute lessons about preventing childhood obesity followed by four 10-minute reinforcing telephone contacts. Each lesson includes opportunities for parents to develop and practice skills, and a discussion of strategies to overcome challenges and problem-solving techniques, with an emphasis on building knowledge and self-efficacy.

The POPS-Child Intervention uses children's stories with embedded healthy nutrition themes. Five lessons (6 books) are delivered over 12 weeks. Activities include classroom cooking experiences, games/activities associated with the story's nutrition themes, and goal setting. "Family Links" and "Parent Pages" are sent home to reinforce content from school to home.

The Parent component (BASIC) is a group-based program (12-14 weeks, 2 hours/week) focused on enhancing parenting skills such as using effective praise, incentives, and limit-setting, and handling misbehavior. Parents complete homework activities that will be reviewed in group sessions and receive follow-up reinforcement phone calls.

For the Child component ("Dinosaur School"), 60, 15-20 minute lessons are delivered during "Circle Time" in Head Start classrooms followed by small group activities. The curriculum focuses on teaching self-regulation skills, problem-solving strategies, and prosocial behaviors.

Teachers are trained in classroom management strategies.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in Body Mass Index Z-score
Prazo: 9 months
Child BMI z-score was calculated from measure height and weight at enrollment and at the end of the study period
9 months

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change in Teacher-reported Self-regulation as Measured by the General Adaptation T-score From the Social Competence and Behavior Evaluation Scale
Prazo: 9 months
To assess self-regulation, teachers completed a modified 60-item version of the Social Competence and Behavior Evaluation (SCBE) scale.The SCBE assesses emotional and behavioral regulation difficulties typically seen in the preschool setting. It includes both positive (competence) and negative (emotional or behavioral problems) items, including internalizing (ie, anxious, sad) and externalizing (ie, oppositional) behaviors, both of which are indicators of poor behavioral self-regulation. The General Adaptation T-score assesses child overall emotional and behavioral self-regulation in the classroom setting. It is calculated by taking the mean of all 60 items for the SCBE questionnaire (with reverse scoring for questions capturing problem behavior) and then determining the corresponding t-score based on published tables. Higher scores indicate better self-regulation. The range for General Adaptation T-score is 30-70.
9 months

Colaboradores e Investigadores

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Patrocinador

Investigadores

  • Investigador principal: Julie Lumeng, MD, University of Michigan

Publicações e links úteis

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Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo

1 de março de 2011

Conclusão Primária (Real)

1 de maio de 2015

Conclusão do estudo (Real)

1 de maio de 2015

Datas de inscrição no estudo

Enviado pela primeira vez

19 de julho de 2011

Enviado pela primeira vez que atendeu aos critérios de CQ

19 de julho de 2011

Primeira postagem (Estimativa)

20 de julho de 2011

Atualizações de registro de estudo

Última Atualização Postada (Real)

5 de fevereiro de 2018

Última atualização enviada que atendeu aos critérios de controle de qualidade

18 de julho de 2017

Última verificação

1 de julho de 2017

Mais Informações

Termos relacionados a este estudo

Outros números de identificação do estudo

  • 2010-04785

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