Korean J Nutr.  2013 Feb;46(1):26-33. 10.4163/kjn.2013.46.1.26.

Analysis of presumed sodium intake of office workers using 24-hour urine analysis and correlation matrix between variables

Affiliations
  • 1Department of Food Science and Nutrition, Kyungpook National University, Daegu 702-701, Korea. yklee@knu.ac.kr

Abstract

The purpose of this study was to investigate the sodium intake of office workers using 24-hour urine analysis and to analyze the correlation matrix between variables. The sodium intake of the subjects (n = 137), based on a 24-hr sodium excretion period, was male (n = 56) 6072.4 mg and female (n = 81) 5,168.2 mg. Urinary sodium excretion showed significant positive correlation with BMI, frequency of eating out, expenditure of eating out, salty taste assessment and high-salt dietary behavior. Analysis of urinary sodium excretion showed significant positive correlation with intake frequencies of cabbage kimchi, broiled fish, feast noodle and rice with leaf wraps. Based on the results of multiple regression, urinary sodium excretion was found to be related to intake frequencies of cabbage kimchi, broiled fish, rice with leaf wraps and high score of high-salt dietary behavior.

Keyword

24-hr sodium excretion; high-salt dietary behavior; frequency of eating out
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