Diet History Questionnaire Reliability
Abstract the purpose of this study was to estimate the reliability of a self administered food frequency questionnaire developed at the national cancer institute nci bethesda md.
Diet history questionnaire reliability. Erase completely if you make any changes. These women were participants in a long term investigation of diet and breast cancer. Do not make stray marks on this form. If you.
Assessment of the reliability of a diet history questionnaire. Maternal vitamin d status is important for fetal development and the prevention of pregnancy complications. The dietary history questionnaire i. Excellent reliability for 12 26 46 of examined nutrients.
We investigated the validity and test retest reliability of a self administered diet history questionnaire dhq to. Adequate reliability for 11 26 42. Food intake information was collected from 48 women with breast cancer and 50 women who had a familial breast cancer risk. Questionnaire scored using the free pc software diet calc to generate daily nutrient and food group intake estimates.
A guess is use only a. Comparison of the information from the survey and the two interviews indicates that recall of past diet is strongly influenced. Bittoni ma 1 wilkins jr 3rd. Geser the reliability of questionnaire derived historical dietary information and temporal stability of food habits.
A validated diet history questionnaire 59 was used to assess the antioxidant intake of our study participants. The purpose of this study was to estimate the reliability of a self administered food frequency questionnaire developed at the national cancer institute nci. Estimate if you are not sure. Be certain to completely blacken in each of the answers.
1 department of preventive medicine ohio state university columbus 43210 1240. The reliability of questionnaire derived historical dietary information and. Diet history questionnaire.