نتایج جستجو برای: quantitative food frequency questionnaire
تعداد نتایج: 1206811 فیلتر نتایج به سال:
Background: To investigate the association between diet and health effects in population surveys, it is necessary to have precise tools that allow estimating habitual consumption of population. Introduction: Aim: evaluate reproducibility validity ELSA-Brasil food frequency questionnaire (FFQ) assess macro micronutrients intake. Material methods: We collected dietary information 281 participants...
self-reported measures of dietary intake are prone to measurement error that may obscure the relationship of diet and disease. this review addresses strategies to decrease errors during collection of dietary data and statistical approaches to deal with measurement issues once the data are collected. examples from two us studies-- the women’s health initiative (whi) dietary modification trial a...
CONTEXT AND OBJECTIVE Sodium and potassium intake from different food sources is an important issue regarding cardiovascular physiology. Epidemiological assessment of the intake of these electrolytes intake is done through food frequency questionnaires or urinary excretion measurements. Our aim was to compare these methods using a sample of Brazilian civil servants. DESIGN AND SETTING Cross-s...
BACKGROUND There is a great necessity for new methods of evaluation of dietary intake that overcome the limitations of traditional self-reporting methods. OBJECTIVE The objective of this study was to develop a new method, based on an app for mobile phones called e-EPIDEMIOLOGY, which was designed to collect individual consumption data for a series of foods/drinks, and to compare this app with...
This study aimed to develop and evaluate the validity of a food frequency questionnaire (FFQ) for rural Rwandans. Since our FFQ was developed to assess malnutrition, it measured energy, protein, vitamin A, and iron intakes only. We collected 260 weighed food records (WFRs) from a total of 162 Rwandans. Based on the WFR data, we developed a tentative FFQ and examined the food list by percent con...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید