Food-for-Families: Experimental Grocery Store Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-16

Study Completion Date

2018-03-29

Brief Summary

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This is a study about how the price of foods affects buying choices at the grocery store. The price of foods can have a big impact on what people choose to buy and prices change over time. This study is being done to see how changes in food prices affect what mothers choose for their families.

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Detailed Description

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It is well known that the price of a given food affects the amount of that item individuals will purchase. Yet little is known about how specific groups, such as obese/overweight individuals and those with lower incomes, change their food purchasing decisions depending on food price changes. Evidence shows that these groups have lower quality diets and worse health outcomes than their normal weight and higher income counterparts. Therefore, it is important to gain a better understanding of how food price changes affect purchasing decisions among these population groups in order to develop targeted nutrition interventions to improve their diet quality. To investigate this, the researchers will create a laboratory-based grocery store, in which pictures of foods will be used in lieu of actual foods. Food prices will be indicated on each picture. The participants will be given play money and a budget, and asked to "purchase" foods in the mock grocery store. The price of foods will be changed throughout the study to investigate how participants change their purchasing decisions based on these price changes.

Conditions

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Overweight Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

This study will utilize a three factor design, with one between-subject factor and two within-subject factors. The between-subject factor is participation in a federal food assistance program. The within-subject factors are price change condition and price change scenario.

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Own-Price Elasticity

The price of eggs will vary (own-price elasticity) while the price of other foods in the "mock" grocery store will remain constant.

Group Type OTHER

Own-Price Elasticity

Intervention Type OTHER

The price of eggs will be 75%, 100%, or 125% of the reference price, but the price of other foods will remain the same.

Cross-Price Elasticity

The eggs will remain constant while the price of other foods in the "mock" grocery store will vary (cross-price elasticity).

Group Type OTHER

Cross-Price Elasticity

Intervention Type OTHER

The price of eggs will remain the same, but the price of other foods will be 75%, 100%, or 125% of the reference price.

Interventions

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Own-Price Elasticity

The price of eggs will be 75%, 100%, or 125% of the reference price, but the price of other foods will remain the same.

Intervention Type OTHER

Cross-Price Elasticity

The price of eggs will remain the same, but the price of other foods will be 75%, 100%, or 125% of the reference price.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Have at least one child up to 18 years of age residing in the household
* Primary grocery shopper for the household
* No health conditions or food practices that substantially limit food choice
* Not currently pregnant
* Consent to the study design

Exclusion Criteria

* Male
* \< 18 years of age
* Not a mother, or children not living with subject in their household
* No children below the age of 18 years of age
* Not the primary grocery shopper for their household
* Health conditions or food practices that substantially limit food choice
* Currently pregnant

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes