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Food prices and food shopping decisions of black women.
DiSantis, Katherine I; Grier, Sonya A; Oakes, J Michael; Kumanyika, Shiriki K.
Afiliación
  • DiSantis KI; Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, 423 Guardian Drive, 8th Floor Blockley Hall, Philadelphia, PA 19104, USA.
  • Grier SA; Department of Marketing, Kogod School of Business, American University, 4400 Massachusetts Avenue, NW, Washington, DC, WA 20016-8044, USA.
  • Oakes JM; Division of Epidemiology, University of Minnesota School of Public Health, West Bank Office Building, 1300 S. Second Street, Suite 300, Minneapolis, MN 55454-1015, USA.
  • Kumanyika SK; Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, 423 Guardian Drive, 8th Floor Blockley Hall, Philadelphia, PA 19104, USA. Electronic address: skumanyi@mail.med.upenn.edu.
Appetite ; 77: 104-12, 2014 Jun.
Article en En | MEDLINE | ID: mdl-24583415
Identifying food pricing strategies to encourage purchases of lower-calorie food products may be particularly important for black Americans. Black children and adults have higher than average obesity prevalence and disproportionate exposure to food marketing environments in which high calorie foods are readily available and heavily promoted. The main objective of this study was to characterize effects of price on food purchases of black female household shoppers in conjunction with other key decision attributes (calorie content/healthfulness, package size, and convenience). Factorial discrete choice experiments were conducted with 65 low- and middle-/higher-income black women. The within-subject study design assessed responses to hypothetical scenarios for purchasing frozen vegetables, bread, chips, soda, fruit drinks, chicken, and cheese. Linear models were used to estimate the effects of price, calorie level (or healthfulness for bread), package size, and convenience on the propensity to purchase items. Moderating effects of demographic and personal characteristics were assessed. Compared with a price that was 35% lower, the regular price was associated with a lesser propensity to purchase foods in all categories (ß = -0.33 to -0.82 points on a 1 to 5 scale). Other attributes, primarily calorie content/healthfulness, were more influential than price for four of seven foods. The moderating variable most often associated with propensity to pay the regular versus lower price was the reported use of nutrition labels. Price reductions alone may increase purchases of certain lower-calorie or more healthful foods by black female shoppers. In other cases, effects may depend on combining price changes with nutrition education or improvements in other valued attributes.
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Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Ingestión de Energía / Conducta de Elección / Composición Familiar / Comercio / Dieta / Renta / Valor Nutritivo Tipo de estudio: Etiology_studies / Health_economic_evaluation / Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans / Middle aged Idioma: En Revista: Appetite Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Ingestión de Energía / Conducta de Elección / Composición Familiar / Comercio / Dieta / Renta / Valor Nutritivo Tipo de estudio: Etiology_studies / Health_economic_evaluation / Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans / Middle aged Idioma: En Revista: Appetite Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos