Is salt intake reduction a universal intervention for both normotensive and hypertensive people: a case from Iran STEPS survey 2016.
Blood pressure
Hypertensive
Iran
Normotensive
Salt
Journal
European journal of nutrition
ISSN: 1436-6215
Titre abrégé: Eur J Nutr
Pays: Germany
ID NLM: 100888704
Informations de publication
Date de publication:
Oct 2020
Oct 2020
Historique:
received:
07
03
2019
accepted:
20
11
2019
pubmed:
6
12
2019
medline:
11
6
2021
entrez:
6
12
2019
Statut:
ppublish
Résumé
There is a direct association between salt intake and blood pressure (BP), one of the main risk factors for CVDs. However, yet there has been a debate that how strong is this association in people with and without hypertension. This study was conducted to evaluate the magnitude of the association between salt intake and BP in hypertensive and normotensive population among a nationally representative population. The study was conducted on a nationally representative sample of 18,635 Iranian adults aged 25 years and older who participated in the STEPS survey 2016 and provided urine sample. Salt intake was estimated through spot urine sample and Tanaka equation. Multiple linear regression model in survey data analysis was used to assess the independent effect of salt intake on BP. After adjusting for covariates, there was a significant association between salt intake and SBP in hypertensive (p < 0.001) and normotensive people (p < 0.001). In hypertensive people, with 1 g of increase in salt intake, the SBP and DBP increased 0.37 mmHg and 0.07 mmHg, respectively. Whereas in normotensive people, with 1 g of increase in salt intake, the SBP and DBP increased 0.26 mmHg and 0.05 mmHg, respectively. Moreover, there was a significant trend toward an increase of SBP across salt intake quartiles in both hypertensive (p < 0.001) and normotensive people (p = 0.002), though the slope was steeper in hypertensive than in normotensive people. The present study demonstrated that salt intake significantly increased SBP in both hypertensive and normotensive people, though the magnitude of this increase was greater in hypertensive people as compared with normotensive people.
Identifiants
pubmed: 31802196
doi: 10.1007/s00394-019-02153-8
pii: 10.1007/s00394-019-02153-8
doi:
Substances chimiques
Sodium Chloride, Dietary
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3149-3161Subventions
Organisme : Iran Ministry of Health and Education
ID : 241م93259
Organisme : National Institute for Health Research
ID : 241م93259
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