Table 7.

Urinary concentrations (in µg/L) of free and total BPA in pre-shift, post-shift and first morning void samples from the cashiers group

	n a	Total BPA (µg/L)	Free BPA (µg/L)
		GM (GSD)	GM (GSD)
Pre-shift samples	90	7.85 (3.10)	0.35 (2.55)
Post-shift samples	91	10.5 (2.77)	0.30 (2.01)
First morning void samples	87	10.1 (2.75)	0.32 (2.0)

GM geometric mean, GSD geometric mean standard deviation

^aNumber of samples