Within-and between-Individual Variation in Nutrient Intkes Assessed by Recall and Record Methods among College Women

회상법과 기록법으로 측정한 여대생의 영양소 섭취량에서의 개인내 변이와 개인간 변이

  • Published : 1996.11.01

Abstract

This study examined within-and between-individual variation in nutrient intakes in order to estimate the degrees of precison in dietary assessment among 59 female volunteers aged 21-23 years. Self-recorded 7-day dietary recalls and records were collected by during a 3 month period. Between the recall and record methods, there were little difference of within-and between-individual variations. Within-to-between individual variation ratios were > 2.0 for most of the nutrients examined, and were higher for niacin, vitamin A and C (>2.5) in the recals and for calcium, iron, vitamin A and C(>3.0) in the records. With 7-day dietary data, observed nutrient intakes were estimated to within 26-107% of the subjects' true(usual) intakes, among those vitamin C and energy showed the highest and lowest values, respectively. Correlation coefficients between observed and true nutrient intakes were 0.73-0.81 for the recalls and 0.68-0.77 for the records. In order to estimate with 20% precision, 12-13 days of dietary study were required for energy, 46 for calcium, 71-72 for vitamin A, and 199-200 for vitamin C. Attenuation factor ranged 0.73-0.81 for the recalls and 0.68-0.77 for the records. This study implies that commonly used 1 or 3 day dietary studies may not be appropriate for assessing individuals' nutrient intakes. Further research focusing on the methodological issues in the assessment of Korean diet are needed for between understanding of the relationship between diet and health in Koreans.

Keywords

References

  1. Am J Clin Nutr v.20 A short dietary method for epidemiology studies. Ⅱ Variability of measured nutrient intakes Hankin,J.H.;Reynolds,W.E.;Margan,S.
  2. Principles of nutritional assessment Gibson,R.S.
  3. Am J Clin Nutr v.32 Sources of variance in 24-hour dietary recall data : Implications for nutrition study design and interpretation Beaton,G.H.;Milner,J.;Corey,P.;McGuire,V.;Cousins,M.;Stewart,E.;de Ramos M.;Hewitt,D.;Grambsch,P.V.;Kassim,N.;Little,J.A.
  4. Nutritional epidemiology Willett,W.
  5. Am J Clin Nutr v.37 Food intake measurement : Problems and approaches Todd,K.S.;Hudes,M.;Calloway,D.H.
  6. J Chronic Diseases v.31 Statistical methods to assess and minimize the role of intra-individual variability in obscuring relationship between dietary lipids and serum cholesterol Liu,K.;Stamler,J.;Dyer,A.;MacKeever,J.;Mckeever,P.
  7. Am J Clin Nutr v.37 Sources of variance in 24-hour dietary recall data : Implications for nutrition study design and interpretation;Carbohydrate sources, vitamins, and minerals Beaton,G.H.;Milner,J.;McGuire,V.;Feather,T.E.;Little,J.A.
  8. Am J Epidemiol v.130 no.5 The reproducibility of dietary in-take data assessed with the cross-check dietary history method Bloemberg,B.P.M.;Kromhout,D.;Obermann-de Boer G.L.;van Kampen-Donker M.
  9. Am J Clin Nutr v.50 Between-and within-subject variation in nutrient intake from infancy to old age : estimating the number of days required to rank dietary intakes with desired precision Nelson,M.;Black,A.E.;Morris,J.A.;Cole,T.J.
  10. Am J Clin Nutr v.55 no.1 Statistical estimation of dietary parameters : Implications of patterns within-subject variation-a case study of sampling strategies Tarasuk,V.;Beaton,G.H.
  11. Am J Clin Nutr v.59 no.SUP. 1 Approaches to analysis of dietary data : Relationship between planned analysis and choice of methodology Beaton,G.H.
  12. Eur J Clin Nutr v.43 Some statistical considerations on dietary assessment methods Borrelli,R.;Cole,T.J.;Biase,G.D.;Contaldo,F.
  13. Eur J Clin Nutr v.48 Within-and between-individual variation in energy intakes by low-income Peruvian infants Piwoz,E.G.;Creed de Kanashiro H.;Lopez de Romana G.;Black,R.E.;Brown,K.H.
  14. Statitical Analysis System 6.03. SAS Institute Inc.
  15. 박사학위논문, 이화여자대학교 측량기록법에 의한 영양소섭취량의 개인간변이와 개인내변이에 관한 연구 정해랑