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Lee, Kim, Lee, Koh, Jang, Lee, Jang, and Kim: Influencing Factors on the Dietary supplements Consumption among Children in Korea
Original Article
Korean Journal of Community Nutrition

Korean Journal of Community Nutrition 2011; 16(6): 740-750.

Published online: 31 December 2011

DOI: https://doi.org/10.5720/kjcn.2011.16.6.740

Influencing Factors on the Dietary supplements Consumption among Children in Korea

Jeeyeon Lee, Dohee Kim, Yoonna Lee, Eunmi Koh, Youngsoo Jang1, Hyeyoung Lee1, Youngae Jang2, Cho-il Kim

Nutrition Policy & Promotion Team, Korea Health Industry Development Institute, Chungbuk, Korea.

1Health · Functional Food Standardization Division, Korea Food & Drug Administration, Chungbuk, Korea.

2NongShim Ltd. Seoul, Korea.

Corresponding author: Cho-il Kim, Department of Food & Nutrition Industry, Korea Health Industry Development Institute, Osong Health Technology Administration Complex, 187 Osongsaengmyeong2-ro, Gangoe-myeon, Cheongwon-gun, Chungbuk 363-700, Korea. Tel: (043)713-8611, Fax: (043) 713-8907, kimci@khidi.or.kr

Received 22 November 2011       Revised 1 December 2011       Accepted 8 December 2011

Copyright © 2011 The Korean Society of Community Nutrition

Abstract

With a recent increase in dietary supplements (DS) consumption among children in Korea, this study was performed to examine the influencing factors on children's DS consumption. A nationwide survey was conducted employing 3 representative samples of children for summer & fall of 2008 and spring of 2009 by stratified multistage sampling of 120 survey sites per season based on the 2005 census population. Approximately 30 households from each survey site were screened for residing children of 0-19 years and about 1,700 households remained as eligible samples per season. Trained dietitians visited households to perform face-to-face interview to children and/or parents regarding DS consumption including health functional foods (HFF), vitamins/minerals (V/M) supplements and other food supplements during 1 month prior to interview. Out of 5,328 children responded, 18.7% reported DS consumption. Consumption rate was higher in boys (19.9% vs. 17.3% in girls, P < 0.05) and youngsters (22.8% compared to 15.0% in adolescents, P < 0.001). Children from higher income family (P < 0.001), those living in apartments (P < 0.001), those residing in metropolitan area (P < 0.001), and those of mothers with higher education (P < 0.001) were more likely to take DS. Also, mother's employment status and occupation were significantly associated with children's DS consumption. The most popular DS was HFF (72.1%), which was consumed more in children of higher income family. It is revealed that socioeconomic factors affect children's DS consumption significantly. Also it is necessary to estimate children's V/M intake from DS and foods together especially because there are tolerable upper limits set for V/M for safety purposes.

Keywords: dietary supplement, children, representative sample, influencing factors

Figures and Tables

Table 1
General characteristics of the respondents by age
kjcn-16-740-i001

1) Frequency (percent by weighted frequency)

2) Percent Ideal Body Weight

Table 2
Proportion (%) of children who consumed dietary supplements (DS): general characteristics
kjcn-16-740-i002

1) Frequency (percent by weighted frequency)

2) Percent Ideal Body Weight

Table 3
Proportion (%) of children who consumed DS: socio-economic characteristics
kjcn-16-740-i003

1) Frequency (percent by weighted frequency)

2) Large city: Seoul, Inchon, Daejun, Daegu, Busan, Usan

3) Small & mid-sized city: Other cities

Table 4
Proportion (%) of children who consumed DS: mother's characteristics
kjcn-16-740-i004

1) Frequency (percent by weighted frequency)

2) clerk, skilled labor or service, etc.

Table 5
Proportion (%) of children who consumed each type of DS (DS consumers only)
kjcn-16-740-i005

1) Multiple choice

2) Frequency (percent by weighted frequency by DS consumers)

Table 6
Proportion (%) of children who consumed functional foods (DS consumers only)
kjcn-16-740-i006

1) Frequency (percent by weighted frequency)

2) Total no. of DS consumers

Table 7
Proportion (%) of children who consumed vitamins/minerals (DS consumers only)
kjcn-16-740-i007

1) Frequency (percent by weighted frequency)

2) Total no. of DS consumers

Table 8
Proportion (%) of children who consumed other supplements (DS consumers only)
kjcn-16-740-i008

1) Frequency (percent by weighted frequency)

2) Total no. of DS consumers

Table 9
Proportion(%) of children who consumed DS by other characteristics at each age group
kjcn-16-740-i009

1) Frequency (percent by weighted frequency

2) Percent Ideal Body Weight

3) clerk, skilled labor or service, etc.

Table 10
Distribution of respondents by housing type and monthly household income
kjcn-16-740-i010
Table 11
Distribution of respondents region and monthly household income
kjcn-16-740-i011

Notes

This research was supported by grants 08082KFDA999 from KFDA in 2008-9

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