Table 3. Associations of urinary BPA, BPF, and BPS concentrations with obesity by sex.
Variable | Sex | Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | P for trend | P for interaction |
---|---|---|---|---|---|---|---|
General obesitya | |||||||
BPA | Boys | 1 (ref) | 1.20 (0.65–2.20) | 2.59 (1.25–5.37) | 2.78 (1.07–7.27) | 0.02 | 0.02 |
Girls | 1 (ref) | 2.29 (1.17–4.49) | 1.47 (0.49–4.41) | 1.10 (0.42–2.91) | 0.92 | ||
BPF | Boys | 1 (ref) | 1.78 (0.98–3.25) | 1.76 (0.72–4.31) | 3.35 (2.02–5.53) | <0.001 | <0.001 |
Girls | 1 (ref) | 1.06 (0.50–2.26) | 1.01 (0.60–1.71) | 0.55 (0.25–1.25) | 0.13 | ||
BPS | Boys | 1 (ref) | 0.66 (0.35–1.24) | 0.86 (0.35–2.14) | 1.01 (0.29–3.48) | 0.78 | 0.36 |
Girls | 1 (ref) | 2.63 (0.86–8.11) | 2.20 (0.89–5.42) | 2.14 (0.81–5.68) | 0.23 | ||
Abdominal obesityb | |||||||
BPA | Boys | 1 (ref) | 1.03 (0.51–2.08) | 1.85 (0.90–3.79) | 2.87 (1.60–5.16) | <0.001 | 0.003 |
Girls | 1 (ref) | 0.71 (0.33–1.52) | 0.89 (0.35–2.28) | 0.83 (0.45–1.53) | 0.64 | ||
BPF | Boys | 1 (ref) | 1.22 (0.64–2.31) | 1.19 (0.48–2.96) | 2.11 (1.23–3.62) | 0.01 | 0.04 |
Girls | 1 (ref) | 1.61 (0.81–3.19) | 0.82 (0.42–1.64) | 0.99 (0.50–1.95) | 0.79 | ||
BPS | Boys | 1 (ref) | 0.58 (0.31–1.06) | 0.72 (0.31–1.66) | 1.10 (0.37–3.28) | 0.64 | 0.62 |
Girls | 1 (ref) | 1.34 (0.62–2.89) | 1.20 (0.49–2.93) | 1.34 (0.61–2.94) | 0.55 |
Values are presented as odds ratio (95% confidence interval). Adjusted for age (in years), urinary creatinine (quartiles), race/ethnicity (Hispanic, non-Hispanic white, non-Hispanic black, and other race), family income (family income to poverty ratio: ≤1.30, 1.31 to 3.50, >3.50, or missing), TV watching (<2 hours/day, ≥2 hours/day), total energy intake (quartiles), and Healthy Eating Index-2010 score (quartiles).
BPA, bisphenol A; BPF, bisphenol F; BPS, bisphenol S.
aFor general obesity analysis, the number of participants was 371 for boys and 374 for girls, bFor abdominal obesity analysis, the number of participants was 364 for boys and 366 for girls.