Relationship between Complementary Feeding Introduction and Early Childhood Caries: Results from the Korea National Health and Nutrition Examination Survey 2008–2015

Yon, Miyong; Shin, Hye-Sun; Lee, Haeng Shin

doi:10.5720/kjcn.2019.24.2.97

Korean J Community Nutr. 2019 Apr;24(2):97-105. Korean.
Published online Apr 30, 2019.
https://doi.org/10.5720/kjcn.2019.24.2.97

Original Article

Relationship between Complementary Feeding Introduction and Early Childhood Caries: Results from the Korea National Health and Nutrition Examination Survey 2008–2015

Miyong Yon

,¹ Hye-Sun Shin

,² and Haeng Shin Lee

³

Author information

Author notes

Copyright and License

- ¹Nutrition Policy and Promotion Team, Korea Health Industry Development Institute, Chungbuk, Korea, Principal Researcher.
- ²Department of Dental Hygiene, College of Health Science, Eulji University, Seongnam, Korea, Visiting Professor.
- ³Department of Lifecare Industry, Korea Health Industry Development Institute, Chungbuk, Korea, Director.
Corresponding author: Miyong Yon. Nutrition Policy and Promotion Team, Korea Health Industry Development Institute, Osong Health Technology Administration Complex, 187 Osongseangmyeong2-ro, Osongeup, Heungdeok-gu, Cheongjusi, Chungbuk 28159, Korea. Tel: (043) 713-8613, Fax: (043) 713-8907, Email: ymy0827@khidi.or.kr

Received May 30, 2018; Revised March 20, 2019; Accepted March 20, 2019.

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

This study examined whether the infant feeding type and duration are related to the introduction of complementary feeding, and whether the appropriate introduction of complementary feeding in infancy is related to tooth decay in toddlers.

Methods

The subjects were 1,521 toddlers among 2~3 year old children in the Korea National Health and Nutrition Examination Survey from 2008 to 2015. The toddlers were divided into the appropriate group (4~6 months) and delayed group (>6 months) according to the timing of complementary feeding introduction.

Results

The delayed group were 26.5% of subjects and the formula feeding period in the appropriate group and delayed group was 8.4 and 10.3 months, respectively (P=0.002). On the other hand, there was no difference in the breastfeeding period between the appropriate group and delayed group (P=0.6955). Early childhood caries was more common in the delayed group (P=0.0065). The delayed introduction of complementary feeding was associated with a risk of early childhood caries according to the logistic models (OR 1.81, 95% CI 1.27–2.57).

Conclusions

The introduction of complementary feeding is associated with early childhood caries. Therefore, the importance of the proper introduction of complementary feeding in infancy should be emphasized, and public relations and education for maternal care and breastfeeding should be provided through health care institutions.

Keywords

complementary feeding; infant feeding; early childhood caries; toddler

Figures

Fig. 1
Distribution of toddlers according to the timing of complementary feeding introduction

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Tables

Table 1
Distribution of subjects according to the complementary feeding introduction N (%)

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Table 2
Comparison of dental care behavior according to the complementary feeding introduction N (%)

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Table 3
Comparison of feeding type according to the complementary feeding introduction N (%)

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Table 4
Comparison of feeding duration according to the complementary feeding introduction (Mean ± SD)

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Table 5
Distribution of participants introduction of complementary feeding and early childhood caries N (%)

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Table 6
Odds ratio for early childhood caries in subgroups (N=1,390)

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Table 7
Odds ratio for early childhood caries among 2~3 years old toddlers (N=1,390)

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