. 2021 Aug 3;23(10):1862–1864. doi: 10.1111/jch.14343

TABLE 1.

Recent evidence regarding knowledge, attitudes, and practice related to salt reduction

First author, year, country	Study design	Population description	No. of participants	Major findings
Juan Zhang, 2013, China ⁹	cross‐sectional study	aged 18 to 69 years	15,350	Half of the population was aware of the relationship of sodium with hypertension. 70% indicated their intention to reduce sodium intake. Only 39% reported that they had taken action to reduce sodium.
Magali Leyvraz, 2018, Sub‐Saharan African Countries ¹⁰	cross‐sectional study	aged 25 to 65 years	588	85% of the participants knew that high salt intake could cause health problems. 91% of the participants thought it was important to limit salt intake. Only 56% of the respondents often tried to limit their salt intake.
Kamal Ghimire, 2019, Nepal ¹¹	cross‐sectional study	mean age 45.2 years	2815	86.3% answered that high salt intake would cause health problems. 88.7% reported that it is important to reduce dietary salt. 64.7% of the respondents reported that they rarely or never added extra salt in their food at the table.
Si Chen, 2020, China ¹²	cross‐sectional study	consumers from six of seven major geographical regions in China	2430	83.0% of the participants believed that eating less salt would benefit their health. 65.6% of the participants expressed interest in lowering their salt intake. Only a quarter of the participants claimed that they made an ongoing effort to reduce salt.
Mahitab A Hanbazaza, 2020, Saudi Arabia ¹³	cross‐sectional study	aged 20 to 50 years	467	The dietary‐salt‐related knowledge, attitude, and habits toward salt reduction were positively correlated; however, knowledge and attitudes were not significantly correlated with consumption.
Pimbucha Rusmevichientong, 2021, Thailand ¹⁴	cross‐sectional study	over the age of 18 years	376	More than 50% of the subjects had knowledge about high salt food consumption leading to higher chances of developing hypertension. Knowledge and attitudes were not significantly correlated with consumption.