Association between kimchi intake and asthma in korean adults: The fourth and fifth korea national health and nutrition examination survey (2007-2011)

Hyesook Kim, Se Young Oh, Myung Hee Kang, Ki Nam Kim, Yuri Kim, Namsoo Chang

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

This study was performed to investigate the relationship between dietary factors and asthma in a representative population-based sample of 19,659 men and women, aged 19-64 years, using data from the fourth and fifth Korean National Health and Nutrition Examination Survey (KNHANES), 2007-2011. The presence of asthma was based on self-reported physician diagnosis of asthma in the Health Interview Surveys. Food intake was estimated by trained interviewers using a 24-h recall method. The prevalence of asthma in Korean adults was 2.4%. Adults with asthma consumed fewer amounts of kimchi (P=.0444) and fish (P=.0175) but had a higher cereal intake than those without asthma (P=.0056). Multiple logistic regression analysis after controlling for confounding factors showed a significant inverse relationship between kimchi consumption and the prevalence of asthma [odds ratio (95% confidence interval) for subjects consuming 1 to <2 servings (40-79.9 g), 2 to <3 servings (80-119.9 g), and ≥3 servings (≥120 g), relative to those consuming <1 serving (<40 g): 0.726 (0.534-0.987), 0.506 (0.348-0.736), and 0.678 (0.502-0.916), respectively; P for trend=0.0131]. These results warrant future studies to explore the mechanisms responsible for the association between kimchi consumption and asthma.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalJournal of Medicinal Food
Volume17
Issue number1
DOIs
StatePublished - 1 Jan 2014

Keywords

  • Adults
  • Asthma
  • Kimchi
  • KNHANES

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