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

This study has been completed.
Sponsor:
Collaborators:
Robert Wood Johnson Foundation
Columbia University
Information provided by (Responsible Party):
Dr. Allan Geliebter, New York Obesity and Nutrition Research Center
ClinicalTrials.gov Identifier:
NCT01509664
First received: January 3, 2012
Last updated: January 10, 2014
Last verified: January 2014
Results First Received: January 10, 2014  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Obesity
Intervention: Behavioral: Discount intervention

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Participants were recruited via advertisement

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No text entered.

Reporting Groups
  Description
Discount Intervention

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

Discount intervention: 50% discount on selected fruits and vegetables at participating supermarket

Control Received no discount at the participating supermarket.

Participant Flow:   Overall Study
    Discount Intervention     Control  
STARTED     49     49  
T2 Follow-up     45     38  
T3 Follow-up     40     33  
COMPLETED     34     28  
NOT COMPLETED     15     21  
Lost to Follow-up                 15                 21  



  Baseline Characteristics
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Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Baseline characteristics for participants who completed the study

Reporting Groups
  Description
Discount Intervention

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

Discount intervention: 50% discount on selected fruits and vegetables at participating supermarket

Control Received no discount at the participating supermarket.
Total Total of all reporting groups

Baseline Measures
    Discount Intervention     Control     Total  
Number of Participants  
[units: participants]
  34     28     62  
Age  
[units: years]
Mean ± Standard Deviation
  40  ± 14     41  ± 14     41  ± 14  
Gender  
[units: participants]
     
Female     25     7     32  
Male     9     21     30  
Race (NIH/OMB)  
[units: participants]
     
American Indian or Alaska Native     0     0     0  
Asian     2     3     5  
Native Hawaiian or Other Pacific Islander     0     0     0  
Black or African American     5     6     11  
White     26     19     45  
More than one race     1     0     1  
Unknown or Not Reported     0     0     0  
Ethnicity (NIH/OMB)  
[units: participants]
     
Hispanic or Latino     4     3     7  
Not Hispanic or Latino     30     25     55  
Unknown or Not Reported     0     0     0  



  Outcome Measures

1.  Primary:   Gross Weekly Purchasing of Fruits and Vegetables   [ Time Frame: week ]


  Serious Adverse Events


  Other Adverse Events


  More Information
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Certain Agreements:  
All Principal Investigators ARE employed by the organization sponsoring the study.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
No text entered.  


Results Point of Contact:  
Name/Title: Dr Allan Geliebter
Organization: New York Obesity Nutrition Research Center
phone: 212-523-4184
e-mail: ag58@columbia.edu


Publications of Results:

Responsible Party: Dr. Allan Geliebter, New York Obesity and Nutrition Research Center
ClinicalTrials.gov Identifier: NCT01509664     History of Changes
Other Study ID Numbers: 05-115
Study First Received: January 3, 2012
Results First Received: January 10, 2014
Last Updated: January 10, 2014
Health Authority: United States: Institutional Review Board