After adjusting for potential confounders , compared with the first quartile ( @ ng/mL ) , the overall adjusted odds ratios ( OR ) of serum BPA concentration in the third and fourth quartiles ( @-@ @ and @ ng/mL , respectively ) for IFG were @ ( @ % confidence interval -LSB- CI -RSB- @ , @ ) and @ ( @ % CI @ , @ ) , respectively ; for diabetes , the adjusted OR were @ ( @ % CI @ , @ ) and @ ( @ % CI @ , @ ) , respectively , with a slightly stronger association among men than in women .