1.Willett W (1998) Food frequency methods. In Nutritional Epidemiology, 2nd ed., pp. 74–100 [W Willett, editor]. New York: Oxford University Press.
2.Kipnis V, Midthune D, Freedman L et al. (2002) Bias in dietary-report instruments and its implications for nutritional epidemiology. Public Health Nutr 5, 915–923.
3.Fraser GE (2003) A search for truth in dietary epidemiology. Am J Clin Nutr 78, Suppl. 3, 521S–525S.
4.Thomas D, Stram D & Dwyer J (1993) Exposure measurement error: influence on exposure–disease. Relationships and methods of correction. Annu Rev Public Health 14, 69–93.
5.Willett W & Lenart E (1998) Reproducibility and validity of food-frequency questionnaires. In Nutritional Epidemiology, 2nd ed., pp. 101–147 [W Willett, editor]. New York: Oxford University Press.
6.Jaceldo-Siegl K, Knutsen SF, Sabate J et al. (2010) Validation of nutrient intake using an FFQ and repeated 24 h recalls in black and white subjects of the Adventist Health Study-2 (AHS-2). Public Health Nutr 13, 812–819.
7.Akbar JA, Jaceldo-Siegl K, Fraser G et al. (2007) The contribution of soul and Caribbean foods to nutrient intake in a sample of Blacks of US and Caribbean descent in the Adventist Health Study-2: a pilot study. Ethn Dis 17, 244–249.
8.Efron B & Tibshirani RJ (1993) Better bootstrap intervals. In An Introduction to the Bootstrap, pp. 184–188. New York: Chapman and Hall.
9.Bohlscheid-Thomas S, Hoting I, Boeing H et al. (1997) Reproducibility and relative validity of food group intake in a food frequency questionnaire developed for the German part of the EPIC project. European Prospective Investigation into Cancer and Nutrition. Int J Epidemiol 26, Suppl. 1, S59–S70.
10.Pisani P, Faggiano F, Krogh V et al. (1997) Relative validity and reproducibility of a food frequency dietary questionnaire for use in the Italian EPIC centres. Int J Epidemiol 26, Suppl. 1, S152–S160.
11.Johansson I, Hallmans G, Wikman A et al. (2002) Validation and calibration of food-frequency questionnaire measurements in the Northern Sweden Health and Disease cohort. Public Health Nutr 5, 487–496.
12.Toft U, Kristoffersen L, Ladelund S et al. (2008) Relative validity of a food frequency questionnaire used in the Inter99 study. Eur J Clin Nutr 62, 1038–1046.
13.Esfahani FH, Asghari G, Mirmiran P et al. (2010) Reproducibility and relative validity of food group intake in a food frequency questionnaire developed for the Tehran Lipid and Glucose Study. J Epidemiol 20, 150–158.
14.Ocke MC, Bueno-de-Mesquita HB, Pols MA et al. (1997) The Dutch EPIC food frequency questionnaire. II. Relative validity and reproducibility for nutrients. Int J Epidemiol 26, Suppl. 1, S49–S58.
15.Marks GC, Hughes MC & van der Pols JC (2006) Relative validity of food intake estimates using a food frequency questionnaire is associated with sex, age, and other personal characteristics. J Nutr 136, 459–465.
16.Kristal AR, Vizenor NC, Patterson RE et al. (2000) Precision and bias of food frequency-based measures of fruit and vegetable intakes. Cancer Epidemiol Biomarkers Prev 9, 939–944.
17.Shu XO, Yang G, Jin F et al. (2004) Validity and reproducibility of the food frequency questionnaire used in the Shanghai Women's Health Study. Eur J Clin Nutr 58, 17–23.
18.Villegas R, Yang G, Liu D et al. (2007) Validity and reproducibility of the food-frequency questionnaire used in the Shanghai men's health study. Br J Nutr 97, 993–1000.
19.Feskanich D, Rimm EB, Giovannucci EL et al. (1993) Reproducibility and validity of food intake measurements from a semiquantitative food frequency questionnaire. J Am Diet Assoc 93, 790–796.
20.Salvini S, Hunter DJ, Sampson L et al. (1989) Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Int J Epidemiol 18, 858–867.
21.Cade JE, Burley VJ, Warm DL et al. (2004) Food-frequency questionnaires: a review of their design, validation and utilisation. Nutr Res Rev 17, 5–22.
22.Khani BR, Ye W, Terry P et al. (2004) Reproducibility and validity of major dietary patterns among Swedish women assessed with a food-frequency questionnaire. J Nutr 134, 1541–1545.
23.Kristal AR, Feng Z, Coates RJ et al. (1997) Associations of race/ethnicity, education, and dietary intervention with the validity and reliability of a food frequency questionnaire: The Women's Health Trial Feasibility Study in Minority Populations. Am J Epidemiol 146, 856–869.
24.Mayer-Davis EJ, Vitolins MZ, Carmichael SL et al. (1999) Validity and reproducibility of a food frequency interview in a Multi-Cultural Epidemiology Study. Ann Epidemiol 9, 314–324.
25.Fraser GE & Shavlik DJ (2004) Correlations between estimated and true dietary intakes. Ann Epidemiol 14, 287–295.
26.Fraser GE & Stram DO (2001) Regression calibration in studies with correlated variables measured with error. Am J Epidemiol 154, 836–844.
27.Spiegelman D, Schneeweiss S & McDermott A (1997) Measurement error correction for logistic regression models with an ‘alloyed gold standard’. Am J Epidemiol 145, 184–196.