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Article

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

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Department of Nutrition, Dietetics and Lifestyle, School of Allied Health, HAN University of Applied Sciences, Kapittelweg 33, 6525 EN Nijmegen, The Netherlands
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Division of Human Nutrition and Health, Wageningen University & Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
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Department of Social Sciences, Consumption and Healthy Lifestyles, Wageningen University & Research, Hollandseweg 1, 6706 KN Wageningen, The Netherlands
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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; https://doi.org/10.3390/nu14020293
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. https://doi.org/10.3390/nu14020293

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. https://doi.org/10.3390/nu14020293

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. https://doi.org/10.3390/nu14020293

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