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KMID : 1039620180080050741
Korean Journal of Family Practice
2018 Volume.8 No. 5 p.741 ~ p.746
Trends of Urinary Excretion of Sodium in Korean Adults: Based on the Korea National Health and Nutrition Examination Survey 2009-2015
Han Yun-Jae

Kim Hyun-Woo
Kim Jung-Hyun
Lee Dong-Won
Jung Ji-Hoon
Cho Sang-Hyun
Kim Sun-Whan
Jung Seung-Jin
Cho Byung-Shik
Abstract
Background: Although the association between sodium intake and disease has been reported, no studies have assessed the trend of sodium excretion in urine in Koreans. We estimated daily urinary sodium excretion in Koreans and analyzed annual trends over time.

Methods: The 4th (2009), 5th (2010?2011), and 6th (2013?2014) National Health and Nutrition Examination Survey were used to extract data on adult subjects aged £¾20 years who did not take blood pressure medicine. The daily urinary sodium excretion was calculated using the E24UNA_K formula. The chi-square test was used to compare annual differences in analysis variables. Independent two-sample t-tests and analysis of variance were used to compare differences in 24-hour average urinary sodium excretion. Linear regression analysis was used to examine the increase according to year.

Results: The daily average urinary sodium excretion in Korean adults was 170.8¡¾35.6 meq/day from 2009 to 2015. The daily average sodium excretion was 177.3¡¾35.0 meq/day in 2009, 168.9¡¾37.7 meq/day in 2010?2011, and 170.4¡¾34.8 meq/day in 2014?2015. There were no significant increases between these periods (P-trend=0.459).

Conclusion: Although there were no increases in daily average sodium excretion, Koreans should try to reduce sodium intake because the daily average sodium consumption by Koreans is more than double the recommended allowance.
KEYWORD
Urinalysis, Creatinine, Nutrition Surveys
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