F E Thompson
Affiliation: National Institutes of Health
- Register of dietary assessment calibration-validation studies: a status reportF E Thompson
Division of Cancer Prevention and Control, National Cancer Institute, Bethesda, MD
Am J Clin Nutr 65:1142S-1147S. 1997..Plans for maintaining and updating the register are being developed...
- Evaluation of alternative approaches to assign nutrient values to food groups in food frequency questionnairesA F Subar
National Cancer Institute, Bethesda, MD 20892 7344, USA
Am J Epidemiol 152:279-86. 2000..Mean methods for assigning nutrients to food groups were superior to median approaches for all measurements. Among the mean methods, no single variation was consistently better...
- Evaluation of 2 brief instruments and a food-frequency questionnaire to estimate daily number of servings of fruit and vegetablesF E Thompson
National Cancer Institute, Bethesda, MD, 20892 7344, USA
Am J Clin Nutr 71:1503-10. 2000..Measurement of fruit and vegetable intake is important in the surveillance of populations and in epidemiologic studies that examine the relations between diet and disease. Some situations require the use of brief dietary assessment tools...
- Is shorter always better? Relative importance of questionnaire length and cognitive ease on response rates and data quality for two dietary questionnairesA F Subar
Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 7344, USA
Am J Epidemiol 153:404-9. 2001..These data indicated that the shorter FFQ was not better from the perspective of response rate and data quality, and that clarity and ease of administration may compensate for questionnaire length...
- Design and serendipity in establishing a large cohort with wide dietary intake distributions : the National Institutes of Health-American Association of Retired Persons Diet and Health StudyA Schatzkin
National Cancer Institute, Bethesda, MD 20892 7232, USA
Am J Epidemiol 154:1119-25. 2001..The large size and wide intake range of the cohort will provide ample power for examining a number of important diet and cancer hypotheses...
- Comparative validation of the Block, Willett, and National Cancer Institute food frequency questionnaires : the Eating at America's Table StudyA F Subar
Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA
Am J Epidemiol 154:1089-99. 2001..These data show that the DHQ and the Block FFQ are better at estimating absolute intakes than is the Willett FFQ but that, after energy adjustment, all three are more comparable for purposes of assessing diet-disease risk...