Design	Individual randomized controlled trial
Participants	Adults of all ages, predominantly 18–35 years (8.2% < 18years and 7.9% > 35 years). Civilian, non-institutionalized, United States population. Analyses restricted to participants 18–74 years of age, who were included in the random subsample of participants, who supplied a spot urine sample analyzed for BPA.
Experimental intervention	BPA highest levels (quartile 4: ≥4.7 ng/mL)
Comparator	BPA lowest levels (quartile 1: ≤1.1 ng/mL)