The association between urinary bisphenol A levels and nonalcoholic fatty liver disease in Korean adults: Korean National Environmental Health Survey (KoNEHS) 2015-2017

Table 4 Prevalence of NAFLD and abnormal ALT, AST, and γ-GTP activities according to urinary bisphenol A levels

		Quartile 1 (n = 888)	Quartile 2 (n = 880)	Quartile 3 (n = 860)	Quartile 4 (n = 848)	P value
NAFLD	Actual number	201	214	242	258	0.002
NAFLD	Weighted frequency (95% CI)	21.83 (18.42-25.68)	22.14 (18.88-25.78)	25.55 (21.64-29.90)	29.18 (25.48-33.19)	0.002
Abnormal ALT	Actual number	83	88	87	102	0.023
Abnormal ALT	Weighted frequency (95% CI)	10.41 (8.22-13.11)	12.27 (9.36-15.93)	11.25 (8.80-14.27)	15.34 (12.53-18.66)	0.023
Abnormal AST	Actual number	110	82	91	10	0.872
Abnormal AST	Weighted frequency (95% CI)	12.24 (9.62-15.45)	7.59 (5.67-10.09)	9.99 (8.03-12.35)	11.77 (9.45-14.58)	0.872
Abnormal γ-GTP	Actual number	104	89	99	95	0.844
Abnormal γ-GTP	Weighted frequency (95% CI)	10.86 (8.54-13.72)	9.29 (6.97-12.29)	12.05 (9.42-15.29)	10.31 (8.06-13.09)	0.844

NAFLD nonalcoholic fatty liver disease, AST aspartate aminotransferase, ALT alanine aminotransferase, γ-GTP gamma-glutamyl transpeptidase

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