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Agreement between dietary interviews

R L Karvetti, L R Knuts

Journal of the American Dietetic Association

|December 1, 1981

Summary

This summary is machine-generated.

Dietary assessment methods for myocardial infarction patients yield different nutrient intake results. The dietary history method consistently reported higher intakes compared to recall methods one and two years post-infarction.

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Area of Science:

Cardiology
Nutritional Science
Epidemiology

Background:

Accurate nutrient intake assessment is crucial for managing patients post-myocardial infarction.
Dietary assessment methods can vary in their estimations of nutrient intake.
Understanding these variations is important for clinical practice and research.

Purpose of the Study:

To compare nutrient intake estimations using different dietary assessment methods in male myocardial infarction patients.
To evaluate the consistency of these differences over time (one and two years post-infarction).

Main Methods:

Nutrient intake was calculated for 86 male myocardial infarction patients.
Data were collected using interview methods, including dietary history and recall methods.

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Intraclass correlation coefficients were used to measure agreement between methods.

Main Results:

The dietary history method consistently showed higher mean daily nutrient intakes than recall methods.
Differences in mean intakes between recall methods were generally small.
The intraclass correlation coefficient ranged from 0.42 to 0.69, indicating moderate agreement.
The pattern of mean differences between methods remained consistent one and two years after infarction.

Conclusions:

Dietary assessment method choice significantly impacts estimated nutrient intake in myocardial infarction patients.
Dietary history may overestimate nutrient intake compared to recall methods.
Consistent discrepancies suggest a systematic bias rather than random error.