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Protein Intake among Community-Dwelling Older Adults: The Influence of (Pre-) Motivational Determinants

Department of Nutrition, Dietetics and Lifestyle, School of Allied Health, HAN University of Applied Sciences, Kapittelweg 33, 6525 EN Nijmegen, The Netherlands
Division of Human Nutrition and Health, Wageningen University & Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
Department of Social Sciences, Consumption and Healthy Lifestyles, Wageningen University & Research, Hollandseweg 1, 6706 KN Wageningen, The Netherlands
Department of Food Science & Technology, HAS University of Applied Sciences, P.O. Box 90108, 5200 MA Den Bosch, The Netherlands
Author to whom correspondence should be addressed.
Academic Editor: J. Mark Brown
Nutrients 2022, 14(2), 293;
Received: 8 December 2021 / Revised: 4 January 2022 / Accepted: 8 January 2022 / Published: 11 January 2022
(This article belongs to the Special Issue Effect of Lifestyle and Diet for Older Persons' Health)
An adequate protein intake is important for healthy ageing, yet nearly 50% of Dutch community-dwelling older adults do not meet protein recommendations. This study explores protein intake in relation to eight behavioral determinants (I-Change model) among Dutch community-dwelling older adults. Data were collected through an online questionnaire from October 2019–October 2020. Protein intake was assessed by the Protein Screener 55+, indicating a high/low chance of a low protein intake (<1.0 g/kg body weight/day). The behavioral determinants of cognizance, knowledge, risk perception, perceived cues, attitude, social support, self-efficacy and intention were assessed by evaluating statements on a 7-point Likert scale. A total of 824 Dutch community-dwelling older adults were included, recruited via online newsletters, newspapers and by personal approach. Poisson regression was performed to calculate quartile-based prevalence ratios (PRs). Almost 40% of 824 respondents had a high chance of a low protein intake. Univariate analyses indicated that lower scores for all different behavioral determinants were associated with a higher chance of a low protein intake. Independent associations were observed for knowledge (Q4 OR = 0.71) and social support (Q4 OR = 0.71). Results of this study can be used in future interventions aiming to increase protein intake in which focus should lie on increasing knowledge and social support. View Full-Text
Keywords: aged; proteins; diet; behavior aged; proteins; diet; behavior
MDPI and ACS Style

Verwijs, M.H.; Haveman-Nies, A.; Borkent, J.W.; Linschooten, J.O.; Roodenburg, A.J.C.; de Groot, L.C.P.G.M.; de van der Schueren, M.A.E. Protein Intake among Community-Dwelling Older Adults: The Influence of (Pre-) Motivational Determinants. Nutrients 2022, 14, 293.

AMA Style

Verwijs MH, Haveman-Nies A, Borkent JW, Linschooten JO, Roodenburg AJC, de Groot LCPGM, de van der Schueren MAE. Protein Intake among Community-Dwelling Older Adults: The Influence of (Pre-) Motivational Determinants. Nutrients. 2022; 14(2):293.

Chicago/Turabian Style

Verwijs, Marije H., Annemien Haveman-Nies, Jos W. Borkent, Joost O. Linschooten, Annet J.C. Roodenburg, Lisette C.P.G.M. de Groot, and Marian A.E. de van der Schueren. 2022. "Protein Intake among Community-Dwelling Older Adults: The Influence of (Pre-) Motivational Determinants" Nutrients 14, no. 2: 293.

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