Development and cognitive testing of a food frequency questionnaire to assess intake of plant-based protein foods among older adults.

IF 3 3区医学 Q2 NUTRITION & DIETETICS Public Health Nutrition Pub Date : 2024-10-21 DOI:10.1017/S1368980024002052

Virginie Drolet-Labelle, Alexandra Bédard, Simone Lemieux, Vicky Drapeau, Lana Vanderlee, Danielle Laurin, Sophie Desroches

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Abstract

Objectives: To develop a web-based food frequency questionnaire (FFQ) measuring intake of plant-based protein foods (PBPs) among older adults from the province of Quebec, Canada.

Design: The questionnaire was adapted from an existing self-administered FFQ and first underwent expert panel evaluation for face and content validity. Then, three phases of cognitive testing were conducted in French, using the probe and think aloud approaches. Between each phase, the questionnaire was modified based on participants' feedback to improve the clarity and comprehension of the questions.

Setting: Quebec City, Quebec, Canada.

Participants: Twenty adults aged 65 years and older. Purposive sampling was used to maximize variation in sociodemographic characteristics, including gender, age, education level, and PBP consumption.

Results: The expert panel found the 28-item questionnaire to be a comprehensive measure of PBP intake and suggested minor changes to improve its clarity. The cognitive interviews showed that our PBP-FFQ was generally well understood and identified issues requiring modifications to improve comprehension and accuracy.

Discussion: Our FFQ provides a comprehensive measure of PBP intake, is well understood by older adults in Québec, and will support rigorous assessment of PBP intake in this population, but requires further validation to confirm validity and reproducibility.

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开发食物频率问卷并进行认知测试，以评估老年人对植物性蛋白质食物的摄入量。

目标：在加拿大魁北克省的老年人中开发一种基于网络的食物频率问卷（FFQ），测量植物性蛋白质食物（PBPs）的摄入量：开发一种基于网络的食物频率问卷（FFQ），测量加拿大魁北克省老年人对植物性蛋白质食物（PBPs）的摄入量：设计：该问卷改编自现有的自填式食物频率问卷，首先经过了专家小组的面效度和内容效度评估。然后，采用探究法和大声思考法，用法语进行了三个阶段的认知测试。在每个阶段之间，根据参与者的反馈对问卷进行了修改，以提高问题的清晰度和理解力：地点：加拿大魁北克省魁北克市：20 名 65 岁及以上的成年人。采用有目的的抽样，以最大限度地扩大社会人口特征的差异，包括性别、年龄、教育水平和 PBP 消费量：专家小组认为，28 个项目的调查问卷是对苯并芘摄入量的全面测量，并建议对其稍作修改，以提高其清晰度。认知访谈显示，我们的 PBP-FFQ 一般都能很好地理解，并指出了需要修改以提高理解力和准确性的问题：我们的 FFQ 提供了一种全面的 PBP 摄入量测量方法，魁北克省的老年人能够很好地理解该方法，并将支持对该人群的 PBP 摄入量进行严格评估，但还需要进一步验证以确认其有效性和可重复性。

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来源期刊

Public Health Nutrition 医学-公共卫生、环境卫生与职业卫生

CiteScore

6.10

自引率

6.20%

发文量

521

审稿时长

3 months

期刊介绍： Public Health Nutrition provides an international peer-reviewed forum for the publication and dissemination of research and scholarship aimed at understanding the causes of, and approaches and solutions to nutrition-related public health achievements, situations and problems around the world. The journal publishes original and commissioned articles, commentaries and discussion papers for debate. The journal is of interest to epidemiologists and health promotion specialists interested in the role of nutrition in disease prevention; academics and those involved in fieldwork and the application of research to identify practical solutions to important public health problems.