- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT00005728
Nutrition Education
Studieoversikt
Status
Detaljert 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.
Studietype
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Studieplan
Hvordan er studiet utformet?
Samarbeidspartnere og etterforskere
Publikasjoner og nyttige lenker
Studierekorddatoer
Studer hoveddatoer
Studiestart
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 4937 (Annen identifikator: University of California Irvine IRB)
- R01HL046757 (U.S. NIH-stipend/kontrakt)
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