Table 2

Correlations among levels of four glucuronides in 11 smokersa

r (P)
NNAL-Gluctrans-3′-Hydroxycotinine-GlucCotinine-GlucNicotine-Gluc
NNAL-Gluc0.61 (0.047)b0.47 (0.14)0.23 (0.50)
trans-3′-Hydroxycotinine-Gluc0.79 (0.0037)b0.21 (0.53)
Cotinine-Gluc0.38 (0.24)
Nicotine-Gluc
  • a Based on mean levels of these urinary metabolites at baseline (period 1).

  • b Significant, P < 0.05.