Abstract Background: Adolescents, comprised of 10–19 year olds, form the largest
generation of young people in our history. There are an estimated 1.8 billion adolescents in …

FFQ are one of the most widely used tools of research into nutritional epidemiology, and
many studies have been conducted in several countries using this dietary assessment …

Abstract Background Reproducibility of FFQs measures the consistency of the same subject
at different time points. We performed a meta-analysis to explore the reproducibility of FFQs …

The aim of this study was to evaluate the test–retest reproducibility of a non-quantitative food
frequency questionnaire (acronym: 62-item FFQ-6) and the possibility of identifying dietary …

Background: The Food Frequency Questionnaire (FFQ) is usually used in epidemiological
studies to assess food consumption. However, the FFQ must have good accuracy, requiring …

Objective This study aimed to assess the validity and reliability of a dish-based, semi-
quantitative food frequency questionnaire (DFFQ) for epidemiological studies in Iran. The …

Objective The primary objective of this study was to examine the validity and reliability of a
semi-quantitative food frequency questionnaire (FFQ) among Chinese children aged 12-17 …

Adolescents face the risk of the triple burden of malnutrition—the co‐existence of
micronutrient deficiencies, underweight and overweight and obesity and related …

The purpose of this study was to examine if the short semi-quantitative food frequency
questionnaire (FFQ) is a reliable and valid tool to assess the diet of Spanish children aged 7 …

Background: Dietary habits are crucial for preventing many diseases, particularly in children
and adolescents. Accurate assessment of dietary intake is essential for understanding the …