Table 3

NNAL, NNAL-Gluc, and total cotinine in the urine of elementary school-aged children collected in two different seasons

Subjectpmol/mlTotal cotinine (ng/ml)
NNALNNAL-GlucNNAL + NNAL-Gluc
1aNDb0.0210.02114.2
0.0170.110.1353.8
20.110.200.3168.8
0.330.180.5141.9
3ND0.0130.013ND
NDNDND17.7
40.030.170.2042.8
ND0.060.05920.5
50.120.0950.2229.6
0.0140.0260.0454.8
6ND0.0360.03610.1
0.0130.0430.05626.8
70.0460.0760.1221.5
0.0440.160.2022.3
80.0180.0890.1114.9
0.0430.130.1732.1
90.0810.0870.1716.9
0.0360.110.1442.3
100.0140.0420.05621.8
0.0160.0810.09726.0
110.0650.270.3428.4
0.0240.190.2110.2
120.0450.0510.09624.4
0.0490.120.1791.7
13ND0.0970.0979.7
0.0740.0260.10ND
140.0490.170.2122.6
0.190.270.4522.9
150.0330.0790.1134.6
0.0330.140.1725.2
160.110.140.2524.4
0.0160.0240.04020.1
  • a First line, urine collected in February 2000; second line, urine collected in May 2000.

  • b ND, not detected; detection limit 0.4 ng/ml.