Many different methods can be used for assessing dietary intake; three of the most common are food frequency questionnaires, food records and twenty-four hour diet recalls. Food Frequency Questionnaires Food Records Dietary Recalls Food Frequency Questionnaires Description A Food Frequency Questionnaire (...
For example, in case respondents usually consume portion that is twice the amount indicated in the questionnaire, they are expected to double the reported frequency of consumption. The third type, quantitative FFQs, include supplementary question for each item about the usual portion size. Researchers...
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网络食物频数问卷 网络释义 1. 食物频数问卷 ... ) Food frequency 食物频率 )food-frequency questionnaire食物频数问卷) food frequency questionnaires 食物频率询问法 ... www.dictall.com|基于 1 个网页 例句 释义: 全部,食物频数问卷
Food-frequency questionnaire validation among Mexican-Americans: Starr County, Texas [see comments]. Ann. Epidemiol. 1995; 5: 378 - 85.McPherson RS, Kohl HW, Garcia G, et al. (1995) Food-frequency questionnaire validation among Mexican- Americans: Starr County, Texas. Annals of Epidemiol 5,...
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 years. Methods A semi-quantitative 72-food item FFQ was developed for children aged 12-17 years. The reliability and...
Use of a common food frequency questionnaire (FFQ) to assess dietary patterns and their relation to allergy and asthma in Europe: pilot study of the GA2LEN... Use of a common food frequency questionnaire (FFQ) to assess dietary patterns and their relation to allergy and asthma in Europe: ...
FFQ: food frequency questionnaire; 24 h DRs: 24-h dietary recalls. Numbers below each bar represent the percentage of non-consumption (left) and daily consumption (right), respectively. Comparisons between 24 h DRs and qualitative FFQs showed that 62.1% (preserved vegetables) to 99.6% (fresh...
Nutrients 2013, 5, 2747-2776; doi:10.3390/nu5072747 Article OPEN ACCESS nutrients ISSN 2072-6643 www.mdpi.com/journal/nutrients Comparison of a Full Food-Frequency Questionnaire with the Three-Day Unweighted Food Records in Young Polish Adult Women: Implications for Dietary Assessment Joanna Kowal...
In this paper, we link a validated food frequency questionnaire (FFQ) to estimates from a review of 570 life-cycle assessments3 (LCAs) to estimate the GHG emissions (CH4, nitrous oxide (N2O) and carbon dioxide (CO2), in addition to combined CO2e emissions), water use, land use, water ...