A total of 1116 middle-aged and elderly men and 1442 postmenopausal women were recruited in this study. Whether bisphenol A exposure was associated with circulating sex hormone concentrations was studied. Univariate analysis revealed that the urinary bisphenol A concentration was negatively correlated with the serum levels of luteinizing hormone (β=-0.061, P<0.0001) and follicle-stimulating hormone (β=-0.086, P<0.0001) in men, and with the serum levels of follicle-stimulating hormone (β=-0.037, P=0.018) and sex hormone-binding globulin (β=-0.043, P=0.006) in women. However, no significant association was observed between the serum levels of urinary bisphenol A and circulating sex hormone after adjustment for the potential confounders.
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