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Article

Impact of an Innovative Equipment to Monitor and Control Salt Usage during Cooking at Home on Salt Intake and Blood Pressure—Randomized Controlled Trial iMC SALT

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Faculty of Nutrition and Food Sciences, University of Porto, 4150-180 Porto, Portugal
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EPI Unit—Institute of Public Health, University of Porto, 4200-450 Porto, Portugal
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CIAFEL—Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
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Laboratório Para a Investigação Integrativa e Translacional em Saúde Populacional, 4050-600 Porto, Portugal
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LAQV-REQUIMTE—Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, 5000-801 Porto, Portugal
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Faculty of Psychology, Education and Sports, Lusófona University of Porto, 4000-098 Porto, Portugal
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INEGI—Institute of Science and Innovation in Mechanical and Industrial Engineering, University of Porto, 4200-465 Porto, Portugal
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Occupational Health Service, Centro Hospitalar Universitário de São João, EPE, 4200-319 Porto, Portugal
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Clinical Pathology Service, Centro Hospitalar Universitário de São João, EPE, 4200-319 Porto, Portugal
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CITAB—Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
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Author to whom correspondence should be addressed.
Academic Editor: Konstantinos Tziomalos
Nutrients 2022, 14(1), 8; https://doi.org/10.3390/nu14010008
Received: 20 November 2021 / Revised: 18 December 2021 / Accepted: 18 December 2021 / Published: 21 December 2021
(This article belongs to the Special Issue Dietary Interventions for Cardiovascular Risk Reduction)
(1) Background: Excessive salt consumption is associated with an increased risk of hypertension and cardiovascular disease, and it is essential to reduce it to the level recommended by the World Health Organization (<5 g/day). The main objective of this study is to verify the impact of an intervention, which used the Salt Control H equipment to reducing salt consumption; (2) Methods: The study was an 8-week randomized control trial with 114 workers from a public university. The intervention group (n = 57) used the equipment to monitor and control the use of salt during cooking (Salt Control H) at home for 8 weeks. The primary outcome was 24 h urinary sodium excretion as a proxy of salt intake. Secondary outcomes included changes in 24 h urinary potassium excretion, sodium to potassium ratio (Na:K), and blood pressure. (3) Results: There was a decrease in sodium intake after the intervention but with no statistical significance. When analyzing the results by sex and hypertension status, there was a reduction in sodium (−1009 (−1876 to −142), p = 0.025) and in Na:K ratio (−0.9 (−1.5 to −0.3), p = 0.007) in hypertensive men in the intervention group. (4) Conclusions: Interventions with dosage equipment can be valid approaches in individual salt reduction strategies, especially in hypertensive men. View Full-Text
Keywords: dietary sodium; sodium restricted; hypertension; RCT; cardiovascular disease dietary sodium; sodium restricted; hypertension; RCT; cardiovascular disease
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MDPI and ACS Style

Silva-Santos, T.; Moreira, P.; Pinho, O.; Padrão, P.; Abreu, S.; Esteves, S.; Oliveira, L.; Norton, P.; Rodrigues, M.; Ndrio, A.; Gonçalves, C. Impact of an Innovative Equipment to Monitor and Control Salt Usage during Cooking at Home on Salt Intake and Blood Pressure—Randomized Controlled Trial iMC SALT. Nutrients 2022, 14, 8. https://doi.org/10.3390/nu14010008

AMA Style

Silva-Santos T, Moreira P, Pinho O, Padrão P, Abreu S, Esteves S, Oliveira L, Norton P, Rodrigues M, Ndrio A, Gonçalves C. Impact of an Innovative Equipment to Monitor and Control Salt Usage during Cooking at Home on Salt Intake and Blood Pressure—Randomized Controlled Trial iMC SALT. Nutrients. 2022; 14(1):8. https://doi.org/10.3390/nu14010008

Chicago/Turabian Style

Silva-Santos, Tânia, Pedro Moreira, Olívia Pinho, Patrícia Padrão, Sandra Abreu, Sílvia Esteves, Luís Oliveira, Pedro Norton, Micaela Rodrigues, Altin Ndrio, and Carla Gonçalves. 2022. "Impact of an Innovative Equipment to Monitor and Control Salt Usage during Cooking at Home on Salt Intake and Blood Pressure—Randomized Controlled Trial iMC SALT" Nutrients 14, no. 1: 8. https://doi.org/10.3390/nu14010008

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