|  | Meconium NIC | Meconium COT | Meconium 3HC | |||
---|---|---|---|---|---|---|---|
 | N | % Detect | GM (95% CI) | % Detect | GM (95% CI) | % Detect | GM (95% CI) |
By Self-Reported Exposure | Â | Â | Â | Â | Â | Â | Â |
   Unexposed Both Periods | 232 | 69.3 | 1.74 (1.50, 2.01) | 60.3 | 0.10 (0.08, 0.12) | 45.2 | 0.08 (0.06, 0.11) |
   SHS Exposure 1 Period | 21 | 85.7 | 2.20 (1.35, 3.59) | 95.2 | 0.27 (0.12, 0.62) | 85.7 | 0.32 (0.13, 0.81) |
   SHS Exposure Both Periods | 27 | 85.2 | 2.56 (1.67, 3.94) | 77.8 | 0.20 (0.09, 0.40) | 59.3 | 0.15 (0.07, 0.34) |
   Active Exposure 1 Period | 15 | 86.7 | 4.34 (2.44, 7.73) | 93.3 | 0.92 (0.35, 2.43) | 86.7 | 0.91 (0.31, 2.68) |
   Active Exposure Both Periods | 21 | 100 | 26.8 (16.6, 43.1) | 100 | 15.9 (7.0, 36.2) | 95.5 | 23.3 (9.5, 56.8) |
By Mean Serum Cotinine | Â | Â | Â | Â | Â | Â | Â |
   Unexposed (< LOD) | 131 | 70.6 | 1.50 (1.24, 1.82) | 48.1 | 0.07 (0.05, 0.09) | 33.8 | 0.05 (0.04, 0.07) |
   SHS Exposure (LOD - 3 ng/mL) | 170 | 83.9 | 2.08 (1.76, 2.45) | 79.4 | 0.16 (0.12, 0.21) | 65.3 | 0.15 (0.12, 0.21) |
   Active Exposure (> 3 ng/mL) | 37 | 94.7 | 21.3 (15.0, 30.1) | 100 | 16.8 (9.7, 29.0) | 97.4 | 21.3 (11.5, 39.3) |
By Cumulative Serum Cotinine | Â | Â | Â | Â | Â | Â | Â |
   Unexposed all 3 Measures | 61 | 71.2 | 1.32 (0.99, 1.76) | 50 | 0.05 (0.03, 0.07) | 30.0 | 0.03 (0.02, 0.05) |
   SHS Exposure in 1 Measure | 61 | 65.5 | 1.57 (1.18, 2.10) | 46.7 | 0.08 (0.05, 0.12) | 40.0 | 0.07 (0.04, 0.11) |
   SHS Exposure in 2 Measures | 41 | 71.8 | 1.70 (1.20, 2.42) | 65 | 0.09 (0.05, 0.14) | 40.0 | 0.07 (0.04, 0.12) |
   SHS Exposure in 3 Measures | 92 | 89.2 | 2.41 (1.92, 3.03) | 89.4 | 0.19 (0.14, 0.26) | 72.5 | 0.18 (0.12, 0.27) |
   Active Exposure in 1 Measure | 14 | 92.9 | 4.87 (2.71, 8.75) | 100 | 2.77 (1.20, 6.37) | 92.9 | 1.98 (0.75, 5.25) |
   Active Exposure in 2 Measures | 3 | 100 | 24.6 (6.92, 87.3) | 100 | 13.3 (2.20, 80.5) | 100 | 20.6 (2.50, 170) |
   Active Exposure in 3 Measures | 22 | 95.6 | 27.6 (17.5, 43.7) | 100 | 20.6 (10.6, 40.0) | 100 | 32.3 (15.1, 69.3) |