- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00005728
Nutrition Education
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
BACKGROUND:
The investigator originally applied for the grant in response to an NHLBI initiative on "CVD Nutrition Education for Low Literacy Skills". The initiative originated within the Prevention and Demonstration Branch of the DECA, was approved by the September 1988 National Heart, Lung, and Blood Advisory Council, and released in July 1990. However, the grant was not awarded as part of the RFA.
DESIGN NARRATIVE:
The overall goal was to achieve a significant increase in the proportion of African Americans consuming a low fat, low salt "prudent" diet and to increase the proportion with optimal levels of blood pressure and total blood cholesterol. The specific aims were to: 1) assess the eating patterns and attendant nutrition literacy issues in urban African Americans, 2) determine the effectiveness of a lay volunteer-mediated multimodal culturally-specific church-based intervention compared with a strategy using solely written and visual self-help materials, 3) determine the impact of an intensive culturally-specific nutrition education intervention on the selection of "prudent" low fat, low salt alternatives when compared with the usual approaches to influencing food selection in major markets and fast-food restaurants, and 4) develop a process module which allowed generalization of this community-based technique to other low literacy high cultural-specificity groups.
The study had three phases and utilized a social-marketing approach. Phase I, the first year of the study, was a community diagnosis consisting of a population-based random-digit-dialing survey and a series of focus groups to define eating patterns and nutrient intake in their social context in the African American population. Community focus groups were conducted to design culturally-specific nutrition education modules to be used in two subsequent randomized trials. Phase I also consisted of the adaptation of existing instruments to determine nutrition literacy levels, comprehension and the readability specifically in this population.
Phase II, in years two, three and the first six months of year four of the study, was comprised of a randomized trial of a nutrition education module administered through trained lay nutrition counselors in East Baltimore churches compared with churches which received only self-help materials designed for the literacy level. Outcomes included assessment of total calories from fat, from saturated fat, cholesterol in mg/day and blood pressure and blood cholesterol levels measured one, six and 12 months after the intervention.
Phase III, conducted in year four, consisted of a randomized trial of an intensive nutrition intervention which was designed for the culture and was compared with usual advertising and food-selection influence techniques in eight fast food restaurants and four large food markets in East Baltimore. Outcomes included the shift in sales from high to low fat and salt alternatives (as determined by computerized sales and inventory data) during the intervention and two weeks following the intervention. All interventions in Phase II and III evolved from the focus groups and survey work performed in Phase I.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Undersøgelsestype
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Samarbejdspartnere og efterforskere
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 4937 (Anden identifikator: University of California Irvine IRB)
- R01HL046757 (U.S. NIH-bevilling/kontrakt)
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