Table 5.

The final regression model of factors (excluding environmental media) influencing the adults’ urinary BPA levels.

Factor	β-Coefficient	Standard error	p-Valuea
Intercept	0.484	0.204	0.019
Creatinine (mg/dL)b	−0.131	0.035	0.0002
Sexc			0.007
Female	0.297	0.105
Male	0	–
Racec			0.007
Hispanic	0.526	0.163
Other	0.311	0.144
Non-Hispanic black	0.272	0.134
Non-Hispanic white	0	–
Seasonc			< 0.0001
Winter	0.596	0.135
Spring	0.593	0.131
Fall	0.253	0.130
Summer	0	–

^aStatistically significant at p < 0.05.

^bContinuous variable (natural log-transformed).

^cDiscrete variable.