Table 7 TES Non-Hispanic Black laboratory-based BOE by smoking status, and by banked biospecimen availability

Among smokers

NE per cig^a

1.04 (0.8)

1.05 (0.8)

1.02 (0.9)

0.49

.6254

NE mg/24 hr^a

10.3 (6.7)

10.6 (6.6)

9.82 (6.7)

1.46

.1449

Serum cotinine ng/ml^b

205.3 (113)

206.8 (114.5)

203.2 (111.2)

0.37

.7081

Total NNAL ng/cig^c

33.4 (27.5)

34.8 (28.0)

31.5 (26.8)

1.47

.1414

Total NNAL ng/24 hr³

331.8 (233.9)

349.7 (236.9)

308.6 (228.3)

2.13

.0336

COHb % saturation^d

4.74 (2.1)

4.75 (2.1)

4.74 (2.1)

0.08

.9355

1-OHP ng/24 hr^e

326.4 (421)

333.8 (379.8)

316.9 (469)

0.47

.6352

3-HPMA ug/24 hr^f

1605 (1083)

1670 (1005)

1521 (1172)

1.64

.1012

4-ABP pg/g Hb^g

39.6 (28.2)

40.1 (29.8)

39.0 (26.6)

0.41

.6831

MHBMA ug/24 hr^h

2.65 (2.8)

2.9 (3.2)

2.3 (2.1)

2.75

.0062

DHBMA ug/24 hrⁱ

495.5 (270.2)

511.7 (276.9)

474.4 (260.4)

1.67

.0946

Among non-smokers

COHb % saturation^j

1.5 (0.7)

1.49 (0.7)

1.52 (0.6)

−0.24

.8116

3-HPMA ug/24 hr^k

433.5 (379.8)

458.8 (430.1)

380.3 (237.3)

1.43

.1546

4-ABP pg/g Hb^l

12.9 (16.6)

14.7 (19.7)

9.24 (5.7)

1.96

.054

MHBMA ug/24 hr^m

0.57 (0.9)

0.64 (1.1)

0.42 (0.6)

1.41

.1619

DHBMA ug/24 hrⁿ

401.3 (177)

426.3 (188.3)

349.2 (138.8)

2.83

.0054