Table 5

Number of maternal/newborn pairs with biomarker levels above and below the limit of detection and ratio of newborn/maternal biomarker levels among pairs with detectable levels

Pairs with maternal and/or newborn levels below limit of detectionPairs with maternal and newborn levels above the limit of detection
Both below detectionNewborn above/maternal belowNewborn below/maternal aboveBoth above detectionRatio newborn/maternal levels: mean ± SD (range)
Aromatic-DNA adduct levelsN = 2N = 2N = 5N = 1134.1 ± 12.5 (0.04–105.3)
PAH-DNA adduct levelsN = 24N = 20N = 24N = 442.7 ± 3.2 (0.11–15.5)
Plasma cotinineN = 73N = 22N = 5N = 582.0 ± 1.8 (0.67–9.7)