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Titre : | Low-Energy-Density Diets Are Associated with Higher Diet Quality and Higher Diet Costs in French Adults (2007) |
Auteurs : | A. Drewnowski ; P. Monsivais ; M. Maillot ; et al. |
Type de document : | Article |
Dans : | Journal of the american dietetic association (107, n° 6, 2007) |
Article en page(s) : | pp. 1028-1032 |
Langues: | Français |
Descripteurs : |
HE Vinci Coût ; Densité énergétique ; Qualité alimentaire |
Résumé : | Abstract Low-energy-density diets are often recommended for weight control. Such diets have a higher nutrient content than do high-energy-density diets. This study tested the hypothesis that energy-dense diets have a relatively low monetary cost, whereas less energy-dense diets are more expensive. In this cross-sectional study, dietary intakes of 1,474 French adults (672 men, 802 women), aged 15 to 92 years, were assessed using 7-day diet records. Dietary energy density (kcal/g) was calculated by dividing total dietary energy by the edible weight of foods and caloric beverages consumed. Diet cost ($/7 days or $/2,000 kcal) was estimated using mean national food prices for 895 foods. The relationship between dietary energy density and diet cost was examined in a linear regression model. Within each quintile of energy intakes, the more energy-dense diets were associated with lower diet quality and with lower diet costs (r2=0.38 to 0.44). In a regression model, the more energy-dense diets cost less, whereas low-energy-density diets cost substantially more, adjusting for energy intakes, sex, and age. The finding that energy-dense diets cost less per 2,000 kcal may help explain why the highest rates of obesity are observed among groups of limited economic means. The finding that low-energy-density diets are associated with higher diet costs suggests that lasting improvements in diet quality may require economic as well as behavioral interventions. |
Disponible en ligne : | Non |
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