Validity and reproducibility of the PC-assisted dietary interview used in the Fukuoka colorectal cancer study

Kazuhiro Uchida, Yasumi Kimura, Tomoko Shirota, Suminori Kono

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Epidemiologic studies based on quantitative estimation of food and nutrient intake have been limited in Japan. We evaluated validity and reproducibility of a personal computer (PC)-assisted dietary interview used in the Fukuoka Colorectal Cancer Study. The subjects were 28 participants as controls in a population-based case-control study. Four 7-day diet records were kept during a period from July 2001 to May 2002, and the PCassisted dietary interview was administered before and after the diet records (May to July 2001 and July to September 2002). Intakes of total energy, 26 nutrients, and 19 food groups were estimated. Of 26 Pearson correlation coefficients for energy-adjusted nutrients, 18 for the first interview and 19 for the second interview were 0.40 or greater, with the highest correlation for saturated fat in the first interview (0.72) and vitamin C in the second interview (0.60). Validity scores were fairly high for most of the food groups with an exceptionally low correlation for potatoes (0.19 for the first and 0.13 for the second interview). Reproducibility was good for most nutrients and foods; but low correlation was noted for Vitamin D and nuts/seeds. Reproducibility was modest for fish and fish products, beef and pork, and processed meat. The PC-assisted dietary interview was fairly valid and reproducible regarding most of the nutrients and food groups. Validity and reproducibility of meat and fish intakes were probably attenuated because of the episode of bovine spongiform encephalopathy in September 2001.

Original languageEnglish
Pages (from-to)583-590
Number of pages8
JournalAsian Pacific Journal of Cancer Prevention
Volume8
Issue number4
Publication statusPublished - Jan 1 2007

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Microcomputers
Colorectal Neoplasms
Interviews
Food
Diet Records
Meat
Fishes
Fish Products
Bovine Spongiform Encephalopathy
Nuts
Solanum tuberosum
Energy Intake
Vitamin D
Ascorbic Acid
Case-Control Studies
Epidemiologic Studies
Seeds
Japan
Eating
Fats

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Oncology
  • Public Health, Environmental and Occupational Health
  • Cancer Research

Cite this

Validity and reproducibility of the PC-assisted dietary interview used in the Fukuoka colorectal cancer study. / Uchida, Kazuhiro; Kimura, Yasumi; Shirota, Tomoko; Kono, Suminori.

In: Asian Pacific Journal of Cancer Prevention, Vol. 8, No. 4, 01.01.2007, p. 583-590.

Research output: Contribution to journalArticle

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