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Accepted manuscript

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

Published online by Cambridge University Press:  21 October 2024

Virginie Drolet-Labelle ,
Alexandra Bédard ,
Simone Lemieux ,
Vicky Drapeau ,
Lana Vanderlee Open the ORCID record for Lana Vanderlee [Opens in a new window] ,
Danielle Laurin  and
Sophie Desroches
Virginie Drolet-Labelle
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada École de nutrition, Université Laval, Québec, QC, G1V 0A6, Canada
Alexandra Bédard
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada
Simone Lemieux
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada École de nutrition, Université Laval, Québec, QC, G1V 0A6, Canada
Vicky Drapeau
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada Département d’éducation physique, Université Laval, Québec, QC, G1V 0A6, Canada
Lana Vanderlee
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada École de nutrition, Université Laval, Québec, QC, G1V 0A6, Canada
Danielle Laurin
Affiliation:
Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada Faculté de pharmacie, Université Laval, Québec, QC, G1V 0A6, Canada
Sophie Desroches*
Affiliation:
Centre Nutrition, santé et société (NUTRISS), Université Laval, Québec, QC, G1V 0A6, Canada Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Québec, QC, G1V 0A6, Canada École de nutrition, Université Laval, Québec, QC, G1V 0A6, Canada
*
Corresponding author: Sophie Desroches, PhD, RD, 2440 Bd Hochelaga Suite 1710, Québec, QC G1V 0A6, [email protected].
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Abstract

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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.

Type
Research Paper
Information
Public Health Nutrition , Accepted manuscript , pp. 1 - 28
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Authors 2024