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

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 ev...

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Main Authors: Virginie Drolet-Labelle (Author), Alexandra Bédard (Author), Simone Lemieux (Author), Vicky Drapeau (Author), Lana Vanderlee (Author), Danielle Laurin (Author), Sophie Desroches (Author)
Format: Book
Published: Cambridge University Press.
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042 |a dc 
100 1 0 |a Virginie Drolet-Labelle  |e author 
700 1 0 |a Alexandra Bédard  |e author 
700 1 0 |a Simone Lemieux  |e author 
700 1 0 |a Vicky Drapeau  |e author 
700 1 0 |a Lana Vanderlee  |e author 
700 1 0 |a Danielle Laurin  |e author 
700 1 0 |a Sophie Desroches  |e author 
245 0 0 |a Development and cognitive testing of a food frequency questionnaire to assess intake of plant-based protein foods among older adults 
260 |b Cambridge University Press. 
500 |a 10.1017/S1368980024002052 
500 |a 1368-9800 
500 |a 1475-2727 
520 |a 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. 
546 |a EN 
690 |a Public aspects of medicine 
690 |a RA1-1270 
690 |a Nutritional diseases. Deficiency diseases 
690 |a RC620-627 
655 7 |a article  |2 local 
786 0 |n Public Health Nutrition, Pp 1-28 
787 0 |n https://www.cambridge.org/core/product/identifier/S1368980024002052/type/journal_article 
787 0 |n https://doaj.org/toc/1368-9800 
787 0 |n https://doaj.org/toc/1475-2727 
856 4 1 |u https://doaj.org/article/dc42a5dc215d4edc85c8566653ec1f3d  |z Connect to this object online.