Table 2.
Urinary bisphenol A and CAS-applied urinary bisphenol A according to the participants’ general characteristics and obesity.
| Factors | KoNEHS cycle 2 | KoNEHS cycle 3 | ||||||
|---|---|---|---|---|---|---|---|---|
| Total | Without obesity | Obesity | P value* | Total | Without obesity | Obesity | P value* | |
| Urinary bisphenol A (ng/mL) | ||||||||
| Total | 1.12 [0.48;2.53] | 1.07 [0.46;2.45] | 1.22 [0.52;2.60] | 0.010 | 1.32 [0.52; 2.76] | 1.19 [0.46; 2.61] | 1.54 [0.62;3.04] | < 0.001 |
| Male | 1.17 [0.50;2.62] | 1.09 [0.48;2.65] | 1.28 [0.55;2.59] | 0.400 | 1.52 [0.58; 3.19] | 1.44 [0.51;3.05] | 1.70 [0.72;3.31] | 0.008 |
| Female | 1.07 [0.46;2.39] | 1.04 [0.45;2.29] | 1.12 [0.51;2.62] | < 0.001 | 1.14 [0.46; 2.43] | 1.09 [0.43;2.26] | 1.32 [0.55;2.72] | < 0.001 |
| Age group | ||||||||
| 19–29 yr | 1.30 [0.59;2.93] | 1.28 [0.57;3.05] | 1.49 [0.65;2.66] | 0.613 | 1.24 [0.52;2.80] | 1.10 [0.45;2.16] | 1.58 [0.73;3.06] | 0.046 |
| 30–39 yr | 1.28 [0.56;2.74] | 1.18 [0.52;2.60] | 1.50 [0.67;2.94] | 0.075 | 1.44 [0.57;2.87] | 1.22 [0.47; 2.58] | 2.02 [0.84;3.58] | 0.002 |
| 40–49 yr | 1.13 [0.50;2.68] | 1.10 [0.49;2.50] | 1.20 [0.51;2.76] | 0.276 | 1.37 [0.53;2.93] | 1.36 [0.50; 2.89] | 1.50 [0.55;2.99] | 0.699 |
| 50–59 yr | 1.11 [0.48;2.49] | 1.03 [0.46;2.34] | 1.27 [0.58;2.69] | 0.089 | 1.46 [0.52;2.81] | 1.30 [0.50;2.55] | 1.70 [0.58;3.23] | 0.086 |
| 60–69 yr | 0.94 [0.41;2.02] | 0.87 [0.36;2.03] | 1.02 [0.47;2.02] | 0.204 | 1.23 [0.49;2.62] | 1.09 [0.42;2.59] | 1.40 [0.57;2.69] | 0.030 |
| ≥ 70 yr | 0.76 [0.30;1.56] | 0.69 [0.29;1.48] | 0.81 [0.31;1.69] | 0.134 | 1.11 [0.46;2.23] | 1.05 [0.41;2.23] | 1.14 [0.56;2.20] | 0.433 |
| CAS-applied urinary bisphenol A (ng/mL) | ||||||||
| Total | 1.08 [0.55;2.13] | 1.02 [0.54;2.01] | 1.17 [0.57;2.34] | 0.006 | 1.33 [0.62;2.59] | 1.24 [0.57;2.41] | 1.49 [0.72;2.89] | < 0.001 |
| Male | 1.11 [0.55;2.26] | 1.05 [0.54;2.18] | 1.20 [0.57;2.34] | 0.365 | 1.52 [0.71;3.00] | 1.42 [0.65;2.75] | 1.59 [0.80;3.24] | 0.043 |
| Female | 1.03 [0.54;1.99] | 0.99 [0.54;1.90] | 1.12 [0.57;2.34] | < 0.001 | 1.15 [0.56;2.28] | 1.10 [0.52;2.19] | 1.32 [0.65;2.43] | < 0.001 |
| Age group | ||||||||
| 19–29 yr | 1.28 [0.67;2.48] | 1.18 [0.68;2.21] | 1.55 [0.60;3.34] | 0.349 | 1.15 [0.56;2.35] | 1.03 [0.49;2.19] | 1.53 [0.88;2.87] | 0.017 |
| 30–39 yr | 1.17 [0.63;2.33] | 1.07 [0.57;2.17] | 1.36 [0.73;2.67] | 0.005 | 1.48 [0.72;2.64] | 1.35 [0.66;2.40] | 1.68 [0.80;3.17] | 0.125 |
| 40–49 yr | 1.11 [0.58;2.24] | 1.09 [0.59;2.21] | 1.19 [0.56;2.24] | 0.939 | 1.47 [0.61;3.15] | 1.44 [0.60;2.83] | 1.58 [0.62;3.58] | 0.397 |
| 50–59 yr | 1.10 [0.56;2.27] | 0.97 [0.51;2.04] | 1.28 [0.65;2.46] | 0.050 | 1.34 [0.68;2.69] | 1.35 [0.68;2.63] | 1.32 [0.67;3.04] | 0.984 |
| 60–69 yr | 0.93 [0.43;1.72] | 0.92 [0.43;1.71] | 0.96 [0.43;1.72] | 0.637 | 1.23 [0.62;2.39] | 1.07 [0.55;2.28] | 1.47 [0.75;2.44] | 0.020 |
| ≥ 70 yr | 0.67 [0.37;1.28] | 0.60 [0.37;1.26] | 0.73 [0.37;1.34] | 0.179 | 1.06 [0.48;2.22] | 0.93 [0.45;2.21] | 1.24 [0.51;2.23] | 0.092 |
*General linear model of log-transformed BPA or log-transformed BPA CAS-BPA after adjusting for age and sex.
CAS-BPA, CAS-applied urinary BPA.
Data are presented as median values [interquartile range].