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Association of breast feeding with early childhood dental caries: Japanese population-based study

Tsuguhiko Kato1, Takashi Yorifuji2, Michiyo Yamakawa3

  • 1Department of Public Health and Health Policy, Institute of Biomedical Sciences, Hiroshima University, Hiroshima, Japan.

BMJ Open
|March 22, 2015
PubMed

Insights

Breastfeeding for 6-7 months or longer was linked to a higher risk of early childhood caries in 30-month-old Japanese children. This association diminished as children aged, becoming insignificant by 42-54 months.

Area of Science:

  • Pediatric Dentistry
  • Public Health
  • Epidemiology

Background:

  • Early childhood caries (ECC) is a significant public health concern.
  • Understanding risk factors for ECC is crucial for prevention strategies.

Purpose of the Study:

  • To investigate the association between breastfeeding duration in the first six months of life and the risk of ECC.
  • To analyze this association in Japanese children aged 30 to 66 months.

Main Methods:

  • Secondary data analysis of the Japanese Longitudinal Survey of Babies in the 21st Century.
  • Included 43,383 infants assessed at 6 months.
  • Logistic regression analyses controlled for biological and socioeconomic factors.

Main Results:

  • Infants breastfed for at least 6-7 months (exclusively or partially) showed an elevated risk of ECC at 30 months.
  • Adjusted odds ratios were 1.78 for exclusive and 1.39 for partial breastfeeding.
  • The association attenuated over time, losing statistical significance by 42-54 months.

Conclusions:

  • Breastfeeding for 6-7 months or longer is associated with an increased risk of ECC at 30 months.
  • This association weakens with age and is not significant in older children.
Abstract

Keywords:
EPIDEMIOLOGYPUBLIC HEALTH

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