. 2012 Jun 21;120(11):1538–1543. doi: 10.1289/ehp.1104614

Table 2.

Distribution of urinary paraben concentrations (µg/L) (n = 2,721 samples) among 653 study participants.^a

Analyte	Individual samples								Within-person GM^b
Analyte	n	Percent detect^c	GM	Minimum	25th percentile	50th percentile	75th percentile	Maximum	n	Minimum	25th percentile	50th percentile	75th percentile	Maximum
MP
All subjects	2,721	99.7	100	< LOD	31.3	112	354	23,200	653	< LOD	30.4	82.2	236	7,110
Sex
Female	2,128	99.9	137	< LOD	48.8	155	422	15,100	408	2.56	55.1	149	299	7,110
Male	593	99.3	33.0	< LOD	10.0	29.0	96.7	23,200	245	< LOD	12.8	31.2	81.0	2,880
Race
Caucasian	2,320	99.7	97.1	< LOD	29.9	104	332	23,200	552	< LOD	28.0	75.3	219	7,110
African American	87	100	343	8.10	158	362	868	4,730	27	57.6	158	340	907	3,880
Asian	164	100	92.2	1.20	28.5	104	346	1,860	43	4.57	25.1	91.0	241	1,073
Other	150	100	92.3	1.80	31.1	96.4	319	3,330	31	6.00	37.9	97.0	204	1,308
PP
All subjects	2,721	96.5	17.9	< LOD	4.00	24.2	90.2	2,870	653	< LOD	3.49	15.4	53.1	2,510
Sex
Female	2,128	98.3	27.5	< LOD	7.90	34.3	118	2,870	408	< LOD	9.75	28.1	78.9	2,510
Male	593	90.2	3.82	< LOD	0.80	3.10	16.8	1,170	245	< LOD	0.84	3.30	15.2	667
Race
Caucasian	2,320	96.8	17.7	< LOD	4.00	23.6	87.0	2,550	552	< LOD	3.24	14.6	47.8	2,510
African American	87	100	63.0	1.30	22.4	88.4	198	1,170	27	2.00	15.9	95.6	177	318
Asian	164	95.7	16.3	< LOD	3.85	22.2	93.2	909	43	0.24	3.00	18.9	40.6	370
Other	150	90.7	10.8	< LOD	1.80	13.2	84.3	2,870	31	< LOD	3.60	10.9	52.8	467
BP
All subjects	2,721	65.4	1.08	< LOD	< LOD	0.70	5.40	998	653	< LOD	< LOD	0.59	2.80	208
Sex
Female	2,128	73.6	1.48	< LOD	< LOD	1.20	7.65	595	408	< LOD	0.35	1.30	4.47	128
Male	593	35.9	0.35	< LOD	< LOD	< LOD	0.50	998	245	< LOD	< LOD	< LOD	0.70	208
Race
Caucasian	2,320	65.8	1.11	< LOD	< LOD	0.70	5.80	998	552	< LOD	< LOD	0.59	2.80	208
African American	87	77.0	1.34	< LOD	0.20	1.10	6.10	93.8	27	< LOD	< LOD	0.96	4.09	27.3
Asian	164	57.9	0.88	< LOD	< LOD	0.35	3.75	194	43	< LOD	< LOD	0.44	2.19	95.1
Other	150	61.3	0.77	< LOD	< LOD	0.50	2.80	112	31	< LOD	< LOD	0.44	2.19	95.1
aValues were not corrected for SG to facilitate comparison with other studies. bThe within-person GM was used as a summary exposure measure for each subject. cLOD: MP = 1 µg/L; PP = 0.2 µg/L; BP = 0.2 µg/L.