Korean J Community Nutr.  2017 Apr;22(2):145-158. 10.5720/kjcn.2017.22.2.145.

Shifts in Kimchi Consumption between 2005 and 2015 by Region and Income Level in the Korean Population: Korea National Health and Nutrition Examination Survey (2005, 2015)

Affiliations
  • 1Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si, Gyeonggi-do, Korea. skysea1010@gmail.com
  • 2Department of Food and Nutrition, Gachon University, Seongnam-si, Gyeonggi-do, Korea.

Abstract


OBJECTIVES
The importance of kimchi as a traditional food in Korean cuisine has gradually decreased due to rapid industrialization, economic growth and changes in dietary patterns in Korea. This study aimed to examine the shifts in kimchi consumption by region and by income level between 2005 and 2015 in Korea.
METHODS
Data from the Korea National Health and Nutrition Examination Surveys III (2005) and VI (2015) were used in the study (n=15,558). Intake of kimchi was estimated using a single 24-hour dietary recall. The sample weights were applied in all analyses to reflect population estimates. All statistical analyses were carried out by using SPSS IBM Statistics 20.
RESULTS
Kimchi intake has significantly decreased by 27.6 g/day per capita during the last decade in Korea; 25.0 g for males and 29.9 g for females, respectively. Over the past decade, the decline of kimchi intake has been particularly significant in Seoul, Busan, Incheon, Gyeonggi, and Gwangju, while there has been no significant change in males living in rural areas. The consumption of kimchi across all income levels has decreased, however, the decrease was higher in "˜middle and low income level'. The amount of kimchi consumption in 2015 was the highest in "˜low income level'. The results were similar after adjusting for gender and age.
CONCLUSIONS
For the past decade, the overall intake of kimchi in Korea has decreased, however, it has been found that the decrease of kimchi intake for males living in the rural areas was not significant. Therefore, in order to keep our traditional kimchi culture and promote a balanced diet including kimchi for Korean, it is necessary to develop more efficient policies and approaches. A variety of dishes using kimchi should be developed, besides merely serving kimchi with rice as a side dish, to increase the consumption of kimchi.

Keyword

kimchi consumption; shifts; decade; region; income

MeSH Terms

Busan
Diet
Economic Development
Female
Gwangju
Gyeonggi-do
Humans
Incheon
Korea*
Male
Nutrition Surveys*
Seoul
Weights and Measures

Figure

  • Fig. 1 The composition of kimchi consumption between 2005 and 2005 in Korean population

  • Fig. 2A Mean difference (g) in per capita kimchi consumption by region and between 2005 and 2015 *: p < 0.05, **: p < 0.01, ***: p < 0.001, Means were significantly different using student t-test

  • Fig. 2B Adjusted mean difference (g) in per capita kimchi consumption by region and by gender between 2005 and 2015 *: p < 0.05, **: p < 0.01, ***: p < 0.001, Adjusted means were significantly different using ANCOVA The values were adjusted for gender and age.


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Suk Hyeon Seo, Jiyoun Hong, Im Huei Son, Young Hee Han, Taisun Hyun
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