Effect of personalized dietary advice to increase protein intake on food consumption and the environmental impact of the diet in community-dwelling older adults: results from the PROMISS trial.
Purpose: Diet modelling studies suggest that increasing protein intake with no consideration for sustainability results in a higher environmental impact on the diet. To better understand the impact in real life, the aim of this study was to assess the effect of dietary advice to increase protein int...
| Published in: | European Journal of Nutrition Vol. 61; no. 8; pp. 4015 - 4027 |
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| Main Authors: | , , , , , |
| Format: | research tables/charts randomized controlled trial Journal Article |
| Published: |
Springer Nature
Dec2022
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| Online Access: | View this record in EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=159838908&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 159838908 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 14366207 CR0 jtl: European Journal of Nutrition issn: 14366207 maglogo: N pubinfo: dt: Dec2022 vid: 61 iid: 8 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 159838908 157814732 159838908 159838908 10.1007/s00394-022-02896-x 159838908 ppf: 4015 ppct: 12 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: Effect of personalized dietary advice to increase protein intake on food consumption and the environmental impact of the diet in community-dwelling older adults: results from the PROMISS trial. aug: au: Grasso, Alessandra C. Olthof, Margreet R. Reinders, Ilse Wijnhoven, Hanneke A. H. Visser, Marjolein Brouwer, Ingeborg A. affil: Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands sug: subj: Nutritional Counseling Dietary Proteins Food Intake Evaluation Community Living In Old Age Environmental Sustainability Outcomes (Health Care) Evaluation Human Randomized Controlled Trials Prospective Studies Random Assignment Netherlands Aged Nutrition Education Diaries Energy Intake Comparative Studies Greenhouse Gases Descriptive Statistics Confidence Intervals Female Male Aged: 65+ years Female Male ab: Purpose: Diet modelling studies suggest that increasing protein intake with no consideration for sustainability results in a higher environmental impact on the diet. To better understand the impact in real life, the aim of this study was to assess the effect of dietary advice to increase protein intake on food consumption and the environmental impact of the diet in community-dwelling older adults. Methods: Food consumption and environmental impact were analyzed among 124 Dutch older adults with lower habitual protein intake (< 1.0 g/kg adjusted body weight/day) participating in the six-month PROMISS trial. Dietary intake data from three 24-h dietary recalls, aided by food diaries, and results from life cycle assessments were used to examine the differences in changes in food consumption and environmental impact between those who received dietary advice to isocalorically increase protein intake to ≥ 1.2 g/kg aBW/d (Protein + ; n = 84) and those who did not receive dietary advice (Control; n = 40). Results: Compared to the Control, Protein + increased protein intake from animal-based food products (11.0 g protein/d, 95% CI 6.6–15.4, p < 0.001), plant-based food products (2.1 g protein/d, 95% CI 0.2–4.0, p = 0.031) and protein-enriched food products provided during the trial (18 g protein/d, 95% CI 14.5–21.6, p < 0.001) at the 6-month follow-up. Diet-associated greenhouse gas emissions increased by 16% (p < 0.001), land use by 19% (p < 0.001), terrestrial acidification by 20% (p = 0.01), and marine eutrophication by 16% (p = 0.035) in Protein + compared to the Control. Conclusion: This study found that dietary advice increased protein intake, favoring animal-based protein, and increased the environmental impact of the diet in older adults. Trial registration: ClinicalTrials.gov. NCT03712306. October 2018. pubtype: Academic Journal doctype: research tables/charts randomized controlled trial Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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