Upgrade the Grains Study: Increasing Whole Grain Consumption in Low-income Children With Obesity
The Metabolic Impact of Concurrent Food Insecurity and Obesity
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
RUN-IN PHASE (Weeks -4 to 0)
- Participants will participate in a "run-in phase" where they will be asked to keep all grocery receipts for a 4 week period
RANDOMIZATION (Week 0)
- Child participants with caregivers who are able to successfully complete the run-in phase are then randomized at that point to be either in the intervention arm or the control arm.
- Patients will be block randomized by age group (8-11 and 12-16).
ACTIVE PHASE (Weeks 0-12)
- Participants will be given education about whole grains and whole grain preparation. Intervention and control participant activities described elsewhere.
RETURN VISIT (Week 24)
- 12 weeks after the completion of the active phase of the study, patients will be asked to return for a final visit at the research center, during which they will also have blood tests and other study activities repeated for one final time.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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California
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Oakland, California, Forenede Stater, 94609
- UCSF Benioff Children's Hospital Oakland
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Obese (BMI greater than 95th percentile for age and gender)
- Low-income family currently participating in SNAP ("food stamps")
- Participant and caregiver speaks either English or Spanish
Exclusion Criteria:
- medications to lower lipid levels (statins), which would affect insulin sensitivity (e.g. metformin, abilify) or which are known to affect serum cholesterol (e.g. carbamazepine).
- Type II diabetes
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
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Eksperimentel: Reimbursement arm
Participating caregivers will turn in receipts from grocery store purchases.
At each of three study visits, participants in the reimbursement arm will receive reimbursement of up to 10% of their usual SNAP benefits for specific whole grain foods purchased at one of two chain stores in the previous month.
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All participants will receive education about whole grain foods.
Those in the experimental arm will have a monthly financial incentive for purchases of specific whole grain foods foods during the 12-week study period, whereas the control group will not have a financial incentive for whole grain purchases during the study period.
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Ingen indgriben: Control arm
Participating caregivers will mail in receipts from grocery store purchases.
Participants in the control arm will also be given the same guidance about preferred whole grain foods and whole grain products but will have no specific financial incentive related to purchases of whole grain foods during the 12-week study period.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Change in whole grains consumption (ounce equivalents)
Tidsramme: Baseline and 3 months
|
Using the Nutrition Data System for Research (NDSR) for 24-hour food recall, intake of whole grains (and refined grains, and proportion of grains that are whole) will be assessed.
The change in this dietary outcome at the end of 3 months will be evaluated for intervention participants compared to controls.
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Baseline and 3 months
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Change in serum triglycerides (mg/dl)
Tidsramme: Baseline and 3 months
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Fasting lipid panel at the end of three month period will be compared to baseline lipid panel: serum triglycerides will be an outcome of particular interest given the intervention.
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Baseline and 3 months
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Change in TG/HDL ratio
Tidsramme: Baseline and 3 months
|
Fasting lipid panel at the end of three month period will be compared to baseline lipid panel: the ratio of serum triglycerides (TG) to high-density lipoprotein (HDL-C) will be an outcome of particular interest given the intervention.
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Baseline and 3 months
|
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Change in body mass index (BMI, or kg/m2)
Tidsramme: Baseline and 3 months
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The change in BMI after the 3 month intervention period will be examined for intervention group compared to control group.
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Baseline and 3 months
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Change in waist to height ratio (WHtR)
Tidsramme: Baseline and 3 months
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Change in waist to height ratio at the end of the 3 month period will be examined for intervention group compared to control group.
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Baseline and 3 months
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Change in proportion of subjects with pre-diabetes
Tidsramme: Baseline and 3 months
|
The proportion of subjects with prediabetes (using both criteria of Hemoglobin A1c greater than or equal to 5.7% and fasting glucose greater than or equal to 100 mg/dl) after the 3 month intervention period will be compared for intervention and control groups.
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Baseline and 3 months
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Change in percent of monthly SNAP benefit spent on whole grain purchases (dollars)
Tidsramme: Baseline and 3 months
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Using collected grocery receipts, monthly expenditure (as a percentage of the household's monthly SNAP benefit) for whole grain foods in the third month of the intervention period will be compared to the percent of the SNAP benefit during the baseline month (run-in phase).
The change in this expenditure amount will be evaluated for intervention participants compared to controls.
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Baseline and 3 months
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: June Tester, MD MPH, UCSF Benioff Children's Hospital Oakland
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2013-064
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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