Status:
COMPLETED
Recontacting Participants in the Observing Protein and Energy Nutrition (OPEN) Study: Re-OPEN
Lead Sponsor:
National Cancer Institute (NCI)
Conditions:
Diet
Diet Surveys
Eligibility:
All Genders
19-69 years
Brief Summary
This study will evaluate the structure of error in self-reporting instruments on diet, in following up the Observing Protein and Energy Nutrition Study (OPEN) conducted in 1999 and 2000. The OPEN stud...
Detailed Description
NCI carries out extensive research and surveillance activities that rely on self-reported dietary information from questionnaires and interviews. Although scientists have long recognized that this inf...
Eligibility Criteria
Inclusion
- INCLUSION CRITERIA:
- As this is a follow-up to a previous study with NCI SSIRB approval, there will be no recruitment of new participants. In the original OPEN study, we recruited a sample of men and women between 40-69 years of age. This age group represents those most likely to be recruited for large-scale epidemiological studies of diet and cancer. It is in this same group that we seek to assess measurement error problems for other dietary assessment instruments.
Exclusion
Key Trial Info
Start Date :
November 6 2003
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
February 24 2020
Estimated Enrollment :
384 Patients enrolled
Trial Details
Trial ID
NCT00339677
Start Date
November 6 2003
End Date
February 24 2020
Last Update
February 25 2020
Active Locations (1)
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1
National Cancer Institute (NCI), 9000 Rockville Pike
Bethesda, Maryland, United States, 20892