Reproducibility and Validity of a Food Frequency Questionnaire (FFQ) Developed for Middle-Aged and Older Adults in Semarang, Indonesia
We assessed the reproducibility and validity of a food frequency questionnaire (FFQ) among middle-aged and older adults in Semarang, Indonesia. A total of 259 subjects aged 40–80 years completed two FFQs (nine-month apart) and nine 24 h dietary recalls (24HDRs, as a reference method). The reproducib...
Main Authors: | Ahmad Syauqy, Diana Nur Afifah, Rachma Purwanti, Choirun Nissa, Deny Yudi Fitranti, Jane C.-J. Chao |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-11-01
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Series: | Nutrients |
Subjects: | |
Online Access: | https://www.mdpi.com/2072-6643/13/11/4163 |
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