Encouraging Healthy Food Shopping and Eating Behaviors by Price Reduction: A Community Supermarket Study

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

137 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-08-31

Study Completion Date

2013-08-31

Brief Summary

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The investigators plan to test the effect of price reduction of fruits and vegetables and non-caloric beverages on food purchasing, food intake, body weight, and body composition of primarily single adult shoppers. One hundred subjects will be randomized to an experimental or control group for a 4 month period. In the experimental group, there will be an automated 50% reduction in fruits vegetables and non-caloric beverages during the middle 2-month period. The investigators expect to observe significant changes in food shopping and eating behavior during this period, which should lead to body weight and fat loss. Some of these new shopping patterns should persist in the last month of the study even though prices revert.

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Detailed Description

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Conditions

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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Discount intervention

Receives 50% discount intervention on selected fruits and vegetables at participating supermarket.

Group Type EXPERIMENTAL

Discount intervention

Intervention Type BEHAVIORAL

50% discount on selected fruits and vegetables at participating supermarket

Control

Received no discount at the participating supermarket.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Discount intervention

50% discount on selected fruits and vegetables at participating supermarket

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* regularly buy 50% of groceries at designated supermarket
* primary food shopper for household, shopping for up to one other person, not counting children ≤ 6 years old