Table 2.
Maternal to neonatal ratios of urine cotinine and NNAL by tobacco product.
| Cigarette (n = 36) |
Commercial (n = 9) |
Iqmik (n = 16) |
|||||
|---|---|---|---|---|---|---|---|
| GM | 95% CI | GM | 95% CI | GM | 95% CI | p | |
| Maternal Cotinine/ Neonatal Cotinine | 2.5 | 2.0 – 3.1 | 2.6 | 1.5 – 4.6 | 2.5 | 1.7 – 3.8 | 0.99 |
| Maternal NNAL/ Neonatal NNAL | 6.3 | 4.5 – 8.9 | 7.6 | 3.1 – 19.1 | 5.7 | 3.4 – 9.6 | 0.74 |
Geometric Mean and 95% CI for Maternal to Neonatal Biomarker Ratios by Tobacco Product. Units – Maternal/Neonatal Cotinine: [ng/mg creat]/[ng/ml], Maternal/Neonatal NNAL: [pg/mg creat]/[pg/ml]. Significance of differences determined by Kruskall-Wallis test.