Table 5.

NNAL concentrations among nonsmokers with higher exposure to SHS

nGeometric mean (95% CI)
Uncorrected NNAL, pg/mLCorrected NNAL, pg/mg creatinine
All1,4895.56 (4.8-6.4)5.27 (4.5-6.2)
Males7666.25 (5.3-7.4)5.15 (4.3-6.1)
Females7234.92 (4.1-5.9)5.39 (4.4-6.7)
Non-Hispanic White*6076.12 (5.3-7.1)5.95 (5.0-7.0)
Non-Hispanic Black4215.12 (4.2-6.3)4.01 (3.1-5.2)
Mexican American2364.61 (3.8-5.6)4.53 (3.9-5.3)
6-11 y32011.3 (9.2-13.9)13.9 (11.3-17.1)
12-19 y3157.32 (5.8-9.2)5.81 (4.8-7.1)
≥20 y8544.48 (3.8-5.4)4.20 (3.5-5.0)

NOTE: Nonsmokers with higher exposure to SHS are defined as having serum cotinine ≥0.1 ng/mL and <10 ng/mL.

  • *No results are listed for other race or ethnicity.