Reducing salt intake: a systematic review and meta-analysis of behavior change interventions in adults.
behavior modification
diet
hypertension
salt intake
Journal
Nutrition reviews
ISSN: 1753-4887
Titre abrégé: Nutr Rev
Pays: United States
ID NLM: 0376405
Informations de publication
Date de publication:
10 Mar 2022
10 Mar 2022
Historique:
pubmed:
19
12
2021
medline:
31
3
2022
entrez:
18
12
2021
Statut:
ppublish
Résumé
Prolonged high salt (sodium) intake can increase the risk of hypertension and cardiovascular disease. Behavioral interventions may help reduce sodium intake at the population level. The effectiveness of behavior change interventions to reduce sodium intake in adults was investigated in this systematic review and meta-analysis. The PubMed, Cochrane Library, Cumulative Index to Nursing and Allied Health Literature, and EMBASE databases were searched. Narrative synthesis and random-effects meta-analyses were used to determine intervention efficacy. A total of 61 trials (46 controlled trials and 15 quasi-experimental studies) were included. Behavior change interventions resulted in significant improvements in salt consumption behavior (eg, decrease in purchase of salty foods; increase in use of salt substitutes), leading to reductions in sodium intake as measured by urinary sodium in 32 trials (N = 7840 participants; mean difference, -486.19 mg/d [95%CI, -669.44 to -302.95]; P < 0.001; I2 = 92%) and dietary sodium in 19 trials (N = 3750 participants; mean difference -399.86 mg/d [95%CI, -581.51 to -218.20]; P < 0.001; I2 = 96%), equivalent to a reduction of >1 g of salt intake daily. Effects were not significantly different based on baseline sodium intakes, blood pressure status, disease status, the use of behavior change theories, or the main method of intervention delivery (ie, online vs face-to-face). Behavior change interventions are effective at improving salt consumption practices and appear to reduce salt intake by >1 g/d. PROSPERO registration no. CRD42020185639.
Identifiants
pubmed: 34921314
pii: 6469060
doi: 10.1093/nutrit/nuab110
pmc: PMC8907486
doi:
Substances chimiques
Sodium Chloride, Dietary
0
Types de publication
Journal Article
Meta-Analysis
Research Support, Non-U.S. Gov't
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
723-740Informations de copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of the International Life Sciences Institute.
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