Variability in nutrient and food intakes among older middle-aged men. Implications for design of epidemiologic and validation studies using food recording.

@article{Hartman1990VariabilityIN,
  title={Variability in nutrient and food intakes among older middle-aged men. Implications for design of epidemiologic and validation studies using food recording.},
  author={Anne Marcia Hartman and C. C. Brown and Juni Palmgren and Pirjo Pietinen and Matti A Verkasalo and D M Myer and Jarmo R Virtamo},
  journal={American journal of epidemiology},
  year={1990},
  volume={132 5},
  pages={999-1012}
}
The authors conducted a dietary methodology study in 1984 in Finnish men aged 55-69 years in order to validate two dietary assessment instruments being used in the US-Finland Alpha-Tocopherol, Beta-Carotene Lung Cancer Prevention Trial. Twelve 2-day food records collected from 162 men over a 6-month period, including every day of the week, served as the reference measure. This report focuses on three important questions for investigating diet and disease relations: 1) How many days are… CONTINUE READING

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