Reproducibility and comparison of a digital food frequency questionnaire (DIGIKOST-FFQ) assessing adherence to national diet and lifestyle recommendations.

IF 3.5 4区 医学 Q2 FOOD SCIENCE & TECHNOLOGY Food & Nutrition Research Pub Date : 2024-08-26 eCollection Date: 2024-01-01 DOI:10.29219/fnr.v68.10366
Markus Dines Knudsen, Monica Hauger Carlsen, Anette Hjartåker, Rune Blomhoff, Hege Berg Henriksen
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Abstract

Background: We have developed a digital semi-quantitative food frequency and lifestyle questionnaire, the DIGIKOST-FFQ, based on the validated paper-based NORDIET-FFQ.

Objective: The study aims to investigate the reproducibility of the DIGIKOST-FFQ and to compare the DIGIKOST-FFQ against the NORDIET-FFQ for the adjusted questions for intakes of fruits, vegetables, whole grains, fish, meat, and dairy products.

Design: Participants were recruited from May to September 2021 through a random sample from the National Population Register and advertisements on Facebook in Norway. In the reproducibility study, the DIGIKOST-FFQ was completed twice by the participants, 1-2 months apart. In the comparison study, the DIGIKOST-FFQ was completed 1-2 months prior to the NORDIET-FFQ.

Results: In the reproducibility study, 317 individuals were included. For 12 out of 16 food groups there were no significant differences in intake estimations between the first and second DIGIKOST-FFQ administrations. A small but significant median difference was observed for fruits (6 g/day) and vegetables (24 g/day). Correlations were satisfactory for all items (r = 0.60-1.00), and in the cross-classification 85% of the participants were classified into the same or adjacent quartile for all items. The comparison study included 81 individuals. Compared to the NORDIET-FFQ a significant median difference was observed for fruits 29 g/day, vegetables 36 g/day, whole grains -10 g/day, and red meat -11 g/day, but not for fish, processed meat, or dairy products.

Conclusion: The DIGIKOST-FFQ was able to reproduce diet and lifestyle at the group level. An intended difference for the food groups where questions had been adjusted, was observed between DIGIKOST-FFQ and NORDIET-FFQ in the comparison study.

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数字化食物频率问卷(DIGIKOST-FFQ)的可重复性和对比性,评估国家饮食和生活方式建议的遵守情况。
背景:我们以经过验证的纸质 NORDIET-FFQ 为基础,开发了一种数字化半定量食物频率和生活方式调查问卷 DIGIKOST-FFQ:我们在经过验证的纸质 NORDIET-FFQ 的基础上开发了一种数字化半定量食物频率和生活方式问卷 DIGIKOST-FFQ:研究旨在调查DIGIKOST-FFQ的可重复性,并比较DIGIKOST-FFQ与NORDIET-FFQ在水果、蔬菜、全谷物、鱼类、肉类和乳制品摄入量方面的调整问题:2021年5月至9月,通过挪威国家人口登记册的随机抽样和Facebook上的广告招募参与者。在可重复性研究中,参与者两次填写 DIGIKOST-FFQ 问卷,每次间隔 1-2 个月。在对比研究中,DIGIKOST-FFQ在NORDIET-FFQ之前1-2个月完成:结果:在重现性研究中,共有 317 人参与。在 16 个食物组中,有 12 个食物组的摄入量估计值在第一次和第二次 DIGIKOST-FFQ 测定之间没有显著差异。水果(6 克/天)和蔬菜(24 克/天)的中位数差异较小,但意义重大。所有项目的相关性都令人满意(r = 0.60-1.00),在交叉分类中,85%的参与者在所有项目上都被归入相同或相邻的四分位数。对比研究包括 81 人。与 NORDIET-FFQ 相比,水果 29 克/天、蔬菜 36 克/天、全谷物 10 克/天、红肉 11 克/天的中位数差异显著,但鱼类、加工肉类或乳制品的中位数差异不显著:结论:DIGIKOST-FFQ 能够在群体层面再现饮食和生活方式。在对比研究中,DIGIKOST-FFQ 和 NORDIET-FFQ 在经过问题调整的食物组别上存在预期差异。
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来源期刊
Food & Nutrition Research
Food & Nutrition Research FOOD SCIENCE & TECHNOLOGY-NUTRITION & DIETETICS
CiteScore
5.20
自引率
9.10%
发文量
47
审稿时长
14 weeks
期刊介绍: Food & Nutrition Research is a peer-reviewed journal that presents the latest scientific research in various fields focusing on human nutrition. The journal publishes both quantitative and qualitative research papers. Through an Open Access publishing model, Food & Nutrition Research opens an important forum for researchers from academic and private arenas to exchange the latest results from research on human nutrition in a broad sense, both original papers and reviews, including: * Associations and effects of foods and nutrients on health * Dietary patterns and health * Molecular nutrition * Health claims on foods * Nutrition and cognitive functions * Nutritional effects of food composition and processing * Nutrition in developing countries * Animal and in vitro models with clear relevance for human nutrition * Nutrition and the Environment * Food and Nutrition Education * Nutrition and Economics Research papers on food chemistry (focus on chemical composition and analysis of foods) are generally not considered eligible, unless the results have a clear impact on human nutrition. The journal focuses on the different aspects of nutrition for people involved in nutrition research such as Dentists, Dieticians, Medical doctors, Nutritionists, Teachers, Journalists and Manufacturers in the food and pharmaceutical industries.
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