BACKGROUND: A comprehensive self-administered diet history questionnaire (DHQ: 150-item semi-quantitative questionnaire) and a brief self-administered DHQ (BDHQ: 58-item fixed-portion-type questionnaire) were developed for assessing Japanese diets. We compared the relative validity of nutrient intak...
Research Assistant
AI chat, annotations, notes & similar papers
No comments yet
Be the first to share your thoughts!