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: | , , , , , , |
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| Format: | Book |
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Cambridge University Press.
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