Table 3. Characteristics of Data set 3^a (cross-sectional study) by tobacco consumption category.

	SMK	MSC	NTC
Sample size	60	48	60
Race/ethnicity (%)
Non-Hispanic White	95	98	75
Non-Hispanic Black	3	2	10
Hispanic	0	0	8
Other	2	0	7
Age, years (%)
26–31	25	29	25
32–37	25	25	25
38–43	25	31	25
44–49	25	15	25
BMI (%)
≤22.7	15	4	13
22.8–26.1	20	17	28
26.2–30.2	42	31	37
≥30.3	23	48	22
Serum cotinine  (ng mL−1)b	339 (261, 419)	467 (292, 788)	0.12 (0, 0.24)

SMK, cigarette smokers; MSC, moist snuff consumers; NTC, non-consumers of tobacco; BMI, body mass index.

^aSee text for details.

^bMedian (25th and 75th percentiles).