Table 4.

Summary statistics for biomarkers concentrations (creatinine-adjusted) by group and race

Urinary Biomarker (creatinine-adjusted)Black
White
MentholNon-MentholMentholNon-Menthol
Nicotine glucuronide (μg/mg creatinine)0.5 (0.1, 1.2)0.2 (0.1, 0.6)0.5 (0.2, 0.9)0.7 (0.5, 1.1)
Cotinine glucuronide (μg/mg creatinine)2.0 (0.5, 3.1)1.2 (0.1, 2.8)2.4 (1.9, 4.8)3.0 (1.8, 5.8)
trans -3′-hydroxycotinine glucuronide (μg/mg creatinine)2.6 (1.8, 5.0)2.7 (1.9, 3.6)2.2 (0.7, 3.3)2.5 (1.2, 4.0)