Selected References

Importance of Estimating Usual Intake Distributions

Freedman LS, Midthune D, Carroll RJ, Krebs-Smith S, Subar AF, Troiano RP, Dodd K, Schatzkin A, Bingham SA, Ferrari P, Kipnis V. Adjustments to improve the estimation of usual dietary intake distributions in the populationExternal Web Site Policy. J Nutr 2004 Jul;134(7):1836-43. Erratum in: J Nutr 2005 Jun;135(6):1524.

Importance of Accounting for Measurement Error in Estimating Diet-Health Relationships

Freedman LS, Schatzkin A, Midthune D, Kipnis V. Dealing with dietary measurement error in nutritional cohort studiesExternal Web Site Policy. J Natl Cancer Inst 2011 Jul;103(14):1086-92.

Review of Methods

Dodd KW, Guenther PM, Freedman LS, Subar AF, Kipnis V, Midthune D, Tooze JA, Krebs-Smith SM. Statistical methods for estimating usual intake of nutrients and foods: a review of the theoryExternal Web Site Policy. J Am Diet Assoc 2006 Oct;106(10):1640-50. Review.

The NCI Method

Estimating distributions of a single dietary component

Tooze JA, Midthune D, Dodd KW, Freedman LS, Krebs-Smith SM, Subar AF, Guenther PM, Carroll RJ, Kipnis V. A new statistical method for estimating the usual intake of episodically consumed foods with application to their distributionExternal Web Site Policy. J Am Diet Assoc 2006 Oct;106(10):1575-87.

Tooze JA, Kipnis V, Buckman DW, Carroll RJ, Freedman LS, Guenther PM, Krebs-Smith SM, Subar AF, Dodd KW. A mixed-effects model approach for estimating the distribution of usual intake of nutrients: the NCI methodExternal Web Site Policy. Stat Med 2010 Nov 30;29(27):2857-68.

Estimating distributions of two or more dietary components

Freedman LS, Guenther PM, Dodd KW, Krebs-Smith SM, Midthune D. The population distribution of ratios of usual intakes of dietary components that are consumed every day can be estimated from repeated 24-hour recallsExternal Web Site Policy. J Nutr 2010 Jan;140(1):111-6.

Freedman LS, Guenther PM, Krebs-Smith SM, Dodd KW, Midthune D. A population's distribution of Healthy Eating Index–2005 component scores can be estimated when more than one 24-hour recall is availableExternal Web Site Policy. J Nutr 2010 Aug;140(8):1529-34.

Zhang S, Krebs-Smith SM, Midthune D, Perez A, Buckman D, Kipnis V, Freedman LS, Dodd KW, Carroll RJ. Fitting a bivariate measurement error model for episodically consumed dietary componentsExternal Web Site Policy. Intl J Biostat 2011;7(1):Article 1.

Zhang S, Midthune D, Guenther PM, Krebs-Smith SM, Kipnis V, Dodd KW, Buckman DW, Tooze JA, Freedman L, Carroll RJ. A new multivariate measurement error model with zero-inflated dietary data, and its application to dietary assessmentExternal Web Site Policy. Ann Appl Stat 2011 Jun;5(2B):1456-87.

Guenther PM, Kirkpatrick SI, Reedy J, Krebs-Smith SM, Buckman DW, Dodd KW, Casavale KO, Carroll RJ. The Healthy Eating Index-2010 is a valid and reliable measure of diet quality according to the 2010 Dietary Guidelines for AmericansExternal Web Site Policy. J Nutr. 2014 Mar;144(3):399-407.

Use of frequency information as a covariate in a model to estimate usual intakes

Subar AF, Dodd KW, Guenther PM, Kipnis V, Midthune D, McDowell M, Tooze JA, Freedman LS, Krebs-Smith SM. The food propensity questionnaire: concept, development, and validation for use as a covariate in a model to estimate usual food intakeExternal Web Site Policy. J Am Diet Assoc 2006 Oct;106(10):1556-63.

Carroll RJ, Midthune D, Subar AF, Shumakovich M, Freedman LS, Thompson FE, Kipnis V. Taking advantage of the strengths of 2 different dietary assessment instruments to improve intake estimates for nutritional epidemiologyExternal Web Site Policy. Am J Epidemiol. 2012 Feb 15;175(4):340-7.

Evaluating relationships between usual intakes and health outcomes

Kipnis V, Midthune D, Buckman DW, Dodd KW, Guenther PM, Krebs-Smith SM, Subar AF, Tooze JA, Carroll RJ, Freedman LS. Modeling data with excess zeros and measurement error: application to evaluating relationships between episodically consumed foods and health outcomesExternal Web Site Policy. Biometrics 2009 Dec;65(4):1003-10.

Combining self-report intake data with biomarker data

Freedman LS, Kipnis V, Schatzkin A, Tasevska N, Potischman N. Can we use biomarkers in combination with self-reports to strengthen the analysis of nutritional epidemiologic studies?External Web Site Policy Epidemiol Perspect Innov 2010 Jan;7(1):2.

Freedman LS, Tasevska N, Kipnis V, Schatzkin A, Mares J, Tinker L, Potsichman N. Gains in statistical power from using a dietary biomarker in combination with self-reported intake to strengthen the analysis of a diet-disease relationship – an example from CAREDSExternal Web Site Policy. Am J Epidemiol 2010 Oct; 172(7):836-42.

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