Challenge! Adolescent Obesity Prevention (Challenge)
Challenge! in Baltimore City Middle Schools
The prevalence of overweight among adolescents (BMI-for-age %tile over the 95th percentile) has more than tripled over the past 3 decades in the US. Overweight and physical inactivity disproportionately affect low- income, female, African American adolescents.
A prior health-promotion/ obesity-prevention program for adolescents developed and tested by our group (Challenge!) showed that adolescents who received the intervention were less likely to become overweight or obese over 2 years when compared to the control group. This intervention was administered one-on-one to adolescents in their homes or community by a college-aged mentor.
Schools are an ideal setting for interventions because the effect can be far-reaching and sustainable. School-based obesity-prevention interventions have thus far shown modest results.
The purpose of this study is to evaluate the impact of a multilevel intervention that includes both the Challenge program administered in a small group format after school using mentors and teachers and a school-wide environmental change on adolescent females' body composition, diet, and physical activity. The intervention is targeted to 6th and 7th grade female students. The small group intervention is conducted over 12 weeks and includes goal setting focusing on healthy diet and physical activity, along with membership and weekly trips to the YMCA. The environmental intervention includes a Health and Activity Committee (HAC), comprised of 8th grade female students (popular opinion leaders), school personnel, parents, and community members. The HAC develops school-wide health promotion messages and activities. Parents of participating 6th and 7th grade girls provide information on family variables. The hypotheses are that females who receive the small group or environmental intervention are at less risk of weight gain (overweight) than females in the control small group condition, that females in environmental schools are at less risk of weight gain (overweight) than females in the control environmental condition, and that females who receive both the small group and environmental intervention are at the lower risk of weight gain (overweight) than females who receive only the environmental or small group intervention or neither intervention.
Przegląd badań
Status
Interwencja / Leczenie
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Nie dotyczy
Kontakty i lokalizacje
Lokalizacje studiów
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Maryland
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Baltimore, Maryland, Stany Zjednoczone, 21201
- Baltimore City Public Schools
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
Akceptuje zdrowych ochotników
Płeć kwalifikująca się do nauki
Opis
Inclusion Criteria:
For small group intervention:
- Female Adolescent
- Grades 6 or 7
- No health problems that would interfere with participation in physical education classes
For environmental intervention Health and Activity Committee:
Must be one of the following:
- 8th grade female student
- Parent or legal guardian of any student in the school
- School personnel
- Adult Community member (Self-identifies as member of specified community surrounding school)
Exclusion Criteria:
For small group intervention:
- Male
- Outside of the grade range 6-7 at recruitment
- Participant will be excluded if they answer no to question 1 on the screening questionnaire (unable to read and understand questions written in English)
- Participant will be excluded if they answer yes to questions 2 or 3 on screening form (fails health screening due to medical condition preventing them from engaging in physical activity)
For environmental intervention Health and Activity Committee:
- Inability to speak or read English
- Inability to attend meetings
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Zapobieganie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Pojedynczy
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
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Eksperymentalny: Challenge! Small Group Intervention only
This group receives the Challenge! Small Group intervention consisting of curriculum related to health behavior goal setting, healthy eating, and staying active, works out with their Health Educators, and receives a year-long membership to the YMCA. This group is in schools that were randomly assigned to NOT receive the Environmental Intervention. |
The Challenge!
Small Group intervention consists of curriculum related to health behavior goal setting, healthy eating, and staying active, working out with Health Educators, and receiving a year-long membership to the YMCA.
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Eksperymentalny: Challenge! Small Group and Environmental Intervention
This group consists of participants who receive the Challenge! Small Group Intervention AND attend a school that is randomly assigned to receive an environmental intervention. This group receives the Challenge! Small Group intervention consisting of curriculum related to health behavior goal setting, healthy eating, and staying active, works out with their Health Educators, and receives a year-long membership to the YMCA. The environmental intervention involves the formation of a Health and Activity Committee composed of community members, teachers, parents, school staff, and 8th grade girls from the school. Together, this group comes up with ways to make their school environment healthier. |
The Challenge!
Small Group intervention consists of curriculum related to health behavior goal setting, healthy eating, and staying active, working out with Health Educators, and receiving a year-long membership to the YMCA.
The environmental intervention involves the formation of a Health and Activity Committee composed of community members, teachers, parents, school staff, and 8th grade girls from the school.
Together, this group comes up with ways to make their school environment healthier.
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Eksperymentalny: Environmental Intervention Only
This group consists of participants who do not receive the Challenge! Small Group Intervention but attend a school that is randomly assigned to receive an environmental intervention. This group does not receive the Challenge! Small Group Intervention. The environmental intervention involves the formation of a Health and Activity Committee composed of community members, teachers, parents, school staff, and 8th grade girls from the school. Together, this group comes up with ways to make their school environment healthier. |
The environmental intervention involves the formation of a Health and Activity Committee composed of community members, teachers, parents, school staff, and 8th grade girls from the school.
Together, this group comes up with ways to make their school environment healthier.
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Brak interwencji: Control Group
This group does not receive the Challenge!
Small Group intervention and is in a school that is randomly assigned to NOT have the Environmental Intervention.
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Ramy czasowe |
|---|---|
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Change of Body Mass Index Percentile for Age and Sex for adolescent females
Ramy czasowe: Baseline to 6 month (Post Intervention) Follow-up or 1 year (Delayed Intervention) Follow-up
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Baseline to 6 month (Post Intervention) Follow-up or 1 year (Delayed Intervention) Follow-up
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Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
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Change of Dietary Quality for adolescent females
Ramy czasowe: Baseline to 6 month (Post Intervention) Follow-up or 1 year (Delayed Intervention) Follow-up
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Dietary quality will be assessed via the use of a Food Frequency Questionnaire.
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Baseline to 6 month (Post Intervention) Follow-up or 1 year (Delayed Intervention) Follow-up
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Współpracownicy i badacze
Współpracownicy
Śledczy
- Główny śledczy: Maureen M Black, PhD, University of Maryland School of Medicine, Department of Pediatrics, Growth & Nutrition Division
Publikacje i pomocne linki
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów
Zakończenie podstawowe (Rzeczywisty)
Ukończenie studiów (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Rzeczywisty)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- HP-00040540
- R01HD054727 (Grant/umowa NIH USA)
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Badania kliniczne na Challenge! Small Group Intervention
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Uludag UniversityZakończony