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Study design for a clinical trial to examine food price elasticity among participants in federal food assistance programs: A laboratory-based grocery store study

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العنوان: Study design for a clinical trial to examine food price elasticity among participants in federal food assistance programs: A laboratory-based grocery store study
المؤلفون: Zach Conrad, Lisa Jahns, James N. Roemmich
المصدر: Contemporary Clinical Trials Communications, Vol 10, Iss , Pp 154-160 (2018)
بيانات النشر: Elsevier
سنة النشر: 2018
المجموعة: Directory of Open Access Journals: DOAJ Articles
مصطلحات موضوعية: Medicine (General), R5-920
الوصف: We present a protocol for a study investigating the effect of food price changes on purchasing decisions among individuals participating in federal food assistance programs and among those not participating in these programs. We use a laboratory-based grocery store design, which provides greater control over factors influencing food purchasing than in situ experiments in actual grocery stores. We focus primarily, but not exclusively, on eggs because they are highly nutritious, easy to prepare, can be included in many different dishes, and are a part of a wide range of cultural food menus. The primary aim of this study is to compare the own-and cross-price elasticity of eggs between individuals participating in federal food assistance programs and those not participating in these programs. Our secondary aims are to 1) compare the own- and cross-price elasticity of eggs between overweight/obese individuals and non-overweight/obese individuals, 2) examine whether delay discounting moderates the effect of income on own- and cross-price elasticity, 3) examine whether subjective social status moderates the effect of participation in federal food assistance programs on the purchase of high nutrient-dense foods, and 4) examine whether usual psychological stress level moderates the effect of subjective social status on the purchase of high-nutrient dense foods. The results of this study will provide information about the drivers of food demand among low-income adults. A better understanding of these drivers is needed to develop effective nutrition interventions for this large population. Keywords: Price elasticity, Food assistance, Egg, Obesity, Social status, Stress
نوع الوثيقة: article in journal/newspaper
اللغة: English
تدمد: 2451-8654
Relation: http://www.sciencedirect.com/science/article/pii/S245186541830022X; https://doaj.org/toc/2451-8654; https://doaj.org/article/346d1ff5c6f6400e8311d80b253342d3
DOI: 10.1016/j.conctc.2018.05.011
الاتاحة: https://doi.org/10.1016/j.conctc.2018.05.011
https://doaj.org/article/346d1ff5c6f6400e8311d80b253342d3
رقم الانضمام: edsbas.AE010401
قاعدة البيانات: BASE
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