Table 2.

Demographic characteristics of study participants.

Receipt category	n	Sex (% male)	Age (years) mean ± SD median (range)	BMI (kg/m2) mean ± SD median (range)	Race
BPA	33	20.6	35.0 ± 12.7 30.1 (19.8–65.0)	29.0 ± 5.8 27.8 (20.1–43.0)	48% black; 39% white; 3% Asian; 9% multiple
BPS	32	41.9	35.9 ± 14.4 33.2 (19.8–77.5)	29.9 ± 8.0 27.1 (18.0–46.0)	38% black; 50% white; 3% Asian; 6% multiple; 3% unknown
BPSIP	12	50.0	40.4 ± 13.6 40.7 (22.5–60.6)	26.5 ± 5.4 25.1 (19.0–35.1)	25% black; 58% white; 17% multiple
Non-cashiers	25	60.0	44.9 ± 12.4 51.3 (23.1–63.9)	27.9 ± 5.0 28.0 (19.8–38.6)	24% black; 60% white; 16% unknown
Abbreviations: BMI, body mass index; BPA, bisphenol A; BPS, bisphenol S; BPSIP, 4-hydroxyphenyl 4-isoprooxyphenylsulfone. Additional medical history information such as menopausal status, smoking, alcohol use, medications, and disease status available in Supplemental Material, Table S1.