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Ann Occup Environ Med. 2017 Oct 18;29:42. doi: 10.1186/s40557-017-0200-1. eCollection 2017.

Relationship between dietary factors and bisphenol a exposure: the second Korean National Environmental Health Survey (KoNEHS 2012-2014).

Park JS1, Kim S1, Park M1, Kim Y1, Lee H1,2, Choi H1,2, Lim S1,2.

Author information

1
Department of Occupational and Environmental Medicine, Kyung Hee University Hospital, Seoul, South Korea.
2
Department of Occupational and Environmental Medicine, School of Medicine Kyung Hee University, Seoul, South Korea.

Abstract

BACKGROUND:

This study was aimed at finding out the exposure level of bisphenol A (BPA), a well-known endocrine disruptor, in relation to dietary factors using a data representing the Korean general population.

METHODS:

This study was performed on 5402 adults aged 19 years and older based on the Second Korean National Environmental Health Survey (KoNEHS 2012-2014). The data analyzed urinary BPA concentration in relation to socio-demographic variables, health behavior-related variables, and dietary factor-related variables. Odds ratio (OR) was calculated through a logistic regression analysis after dividing the participants into high BPA exposure group and low BPA exposure group based on the top 75 percentile concentration. The logistic regression analysis was carried out considering the appropriate sample weight, stratification, and clustering of the second KoNEHS sample design.

RESULTS:

The group drinking bottled water at home and the group using zip-top bags/plastic bags showed significantly higher urinary BPA concentration in female. OR tends to increase as the intake frequency of frozen food increased and OR of frozen food consumption of more than once a week was 1.48 (95% confidence interval (CI) 1.02-2.24) for male and the group drinking bottled water showed significantly higher OR of 1.45 (95% CI 1.06-2.17) after adjusting the related factors for female.

CONCLUSIONS:

BPA levels were high in female using bottled water and in male consuming frozen food, and therefore bottled water and frozen food need to be avoided to reduce BPA levels.

KEYWORDS:

Bisphenol a; Dietary factors; Korean national environmental health survey

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