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. Author manuscript; available in PMC: 2015 Dec 21.
Published in final edited form as: JAMA. 2014 Feb 26;311(8):859–860. doi: 10.1001/jama.2013.283735

Table.

Demographic Characteristics of 24 Study Participants

Simulation
Without Gloves
(n = 24)a
Sequential Urine
Samples
(n = 12)
Simulation
With Gloves
(n = 12)
Sex, No. (%)
  Femalea 19 (79) 8 (67) 9 (75)
  Male 5 (21) 4 (33) 3 (25)
Age, mean (SD) [range], y 35 (12) [26–71] 33 (12) [26–71] 34 (13) [26–71]
Ethnicity, No. (%)
  Whitea 15 (63) 9 (75) 7 (58)
  Black 5 (21) 2 (17) 2 (17)
  Asian 4 (17) 1 (1) 3 (25)
Specific gravity–adjusted bisphenol A at baseline, geometric mean (95% CI), µg/L 1.8 (1.3–2.4) 2.1 (1.4–3.3) 1.3 (0.8–2.1)b
a

One participant was excluded from final analyses because of high background exposure to bisphenol A from consuming 4 cans of cold beverage (had urinary-specific gravity–adjusted bisphenol A concentration 25-fold higher than the National Health and Nutrition Examination Survey 2009-2010 geometric mean of 1.83 µg/L6).

b

There was no statistically significant baseline difference for simulations with gloves vs without gloves (P = .76).