Jump to Main Content
Reproducibility and validity of a food frequency questionnaire amoung fourth to seventh grade inner-city school children: implications of age and day-to-day variation in dietary intake
- Field, A.E., Peterson, K.E., Gortmaker, S.L., Cheung, L., Rockett, H., Fox, M.K., Colditz, G.A.
- Public health nutrition 1999 v.2 no.3 pp. 293-300
- questionnaires, school children, urban areas, food choices, dietary surveys, validity, age, food intake, vegetables, energy intake, dietary protein, dietary fat, dietary carbohydrate, ascorbic acid, calcium, iron, phosphorus, dietary fiber