To evaluate the validity of the Inter99 food frequency questionnaire (FFQ) compared with a 28-days' diet history and biomarkers. A random sample of 13 016 individuals were drawn from a general ...

A diet history questionnaire may be used to assess vitamin B12 and folate intake in Japanese pregnant women, according to a recent study. About Careers Internship MedBlog Contact us English (US) ...

To validate reported energy intake (rEI) with a self-administered diet history questionnaire (DHQ) against total energy expenditure (TEE) by the doubly labeled water (DLW) method. A total of 140 ...

Dietary intake statuses were assessed using the brief-type self-administered diet history questionnaire. Frailty was assessed using the Kihon Checklist (KCL).

All had completed the diet history questionnaire (DHQ), and food and supplement intake were used to calculate the energy-adjusted DII (E-DII). Following Cox regression and competing risk models, ...

Dietary intake was assessed using the Canadian adaptation of the U.S. NIH Diet History Questionnaire. Three plant-based dietary indices assessed whether participants adhere to an overall plant ...

The study analyzed the diets of 762 people who had completed the NIH Diet History Questionnaire-II (DHQ-II) in the third trimester or within three months of delivery.