Adaptation of locally available portion sizes for food frequency questionnaires in nutritional epidemiological studies: How much difference does it make?

• Main Authors: Neha Gupta (Author), Sonika Verma (Author), Abhishek Singh (Author), Nikhil Tandon (Author), Seema Puri (Author), Narendra Kumar Arora (Author)
• Format: Book
• Published: Wolters Kluwer Medknow Publications, 2016-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Introduction: There is need for employing strategies to minimize measurement errors while administering semi-quantitative FFQ. The current study was planned to adapt and standardize locally available portion sizes for semi-quantitative FFQ to improve its validity and document the process of standard...