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Diet assessment methods: a guide for oncology nurses.

Jody L Ralph1, Diane Von Ah, Angela J Scheett

  • 1College of Nursing, University of North Dakota in Grand Forks, USA. jody.ralph@email.und.edu

Clinical Journal of Oncology Nursing
|November 29, 2011
PubMed
Summary

Accurate diet assessment is crucial for cancer research. This review synthesizes evidence on dietary assessment methods for oncology studies, aiding nurses in understanding nutrition research.

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Last Updated: May 27, 2026

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Published on: October 31, 2025

Area of Science:

  • Nutrition Science
  • Oncology
  • Research Methodology

Background:

  • Diet significantly impacts cancer prevention, progression, and treatment.
  • Limited research synthesis exists on diet assessment methods for nurses in oncology.

Purpose of the Study:

  • To review and synthesize evidence on diet assessment methods used in cancer research.
  • To provide oncology nurses with a better understanding of nutrition research tools.

Main Methods:

  • Literature search for diet assessment methods in oncology studies.
  • Categorization of methods based on study objectives (e.g., mean vs. usual intake).
  • Examples include 24-hour recalls, food diaries, food frequency questionnaires, and biomarkers.

Main Results:

  • Dietary assessment methods vary based on study size, duration, and research questions.
  • Different methods are suited for assessing mean nutrient intake versus usual nutrient intake.
  • Accurate, cost-effective dietary intake measurement presents a challenge.

Conclusions:

  • Selecting appropriate dietary assessment tools is critical for generating quality oncology research data.
  • Oncology nurses' increasing role in nutrition research necessitates understanding these methods.
  • This review aids in comprehending published and ongoing nutrition research in oncology.