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RATIONALE: Websites for nutrition education may be an effective method to help people eat more fruits and vegetables which may lower their risk of cancer.
PURPOSE: This randomized trial is studying how well an internet-based nutrition education program works in preventing cancer in participants of health maintenance organizations.
Full description
OBJECTIVES:
Primary
Secondary
OUTLINE: This is a randomized, controlled, single-blind, multicenter study. Participants are stratified according to participating site, gender, and the participant's stage of change readiness. Participants are randomized to 1 of 3 intervention arms.
In all arms, participants complete online surveys at 3, 6, and 12 months to measure fruit and vegetable intake and change in long-term risk behavior. For each survey, participants receive up to 6 automatically generated reminder e-mails and 1 mailed announcement.
PROJECTED ACCRUAL: A total of 2,619 participants were accrued for this study.
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS:
Current member of any of the following participating health maintenance organizations:
Must complete a web-based health survey prior to randomization
PATIENT CHARACTERISTICS:
PRIOR CONCURRENT THERAPY:
No concurrent anticoagulation therapy (e.g., warfarin)
No other concurrent medications that would be adversely affected by increased vegetable and fruit intake
No grapefruit concurrently with any of the following medications:
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Data sourced from clinicaltrials.gov
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