- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT00005423
Dietary Quality and Subsequent Cardiovascular Disease
Aperçu de l'étude
Statut
Les conditions
Description détaillée
BACKGROUND:
Although considerable evidence exists for associations between diet and subsequent cardiovascular disease (CVD) among younger and middle-aged adults, no comprehensive studies of these relationships have been conducted using a national sample of older Americans. National guidelines have recommended reductions of dietary fat, saturated fat, cholesterol and sodium as dietary practice to reduce CVD. However, it is possible that the focus on eliminating dietary components may obscure the advantages of consuming diets that are nutritionally adequate.
Findings from this study could have important implications for setting research priorities to further study the effects of specific dietary variables on CVD, and for implementing national nutrition policies to assist Americans in selecting healthy diets.
DESIGN NARRATIVE:
Data from NHANES I and the three cycles of NHANES I Epidemiologic Followup Study (NHEFS) were used to 1) to examine the associations between several measures of dietary quality at baseline and subsequent 14-year morbidity and mortality from CVD for a national sample of 6109 United States adults aged 45 to 74 years at baseline; 2) to assess the relative importance of the associations of dietary quality and CVD for older adults compared to middle-aged adults. Dietary variables were based on responses to the 24-hour dietary recall and the food frequency questionnaire administered at baseline and included a composite measure of dietary quality, intakes of specific nutrients, and usual consumption of foods from 19 food groups. Baseline measures used as covariates included body mass index, blood pressure, serum cholesterol, sociodemographic variables (e.g., age, race, income, occupation), behavioral variables (e.g., smoking, alcohol consumption, activity level), and chronic health conditions. CVD outcomes were determined from medical history questionnaires, hospital records and death certificates. Change in blood pressure between baseline and 10-year followup were examined as an outcome variable as well as a covariate in the association between diet and CVD.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Type d'étude
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Plan d'étude
Comment l'étude est-elle conçue ?
Collaborateurs et enquêteurs
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- 4341
- R03HL048530 (Subvention/contrat des NIH des États-Unis)
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