Table 1.

Participant characteristics by cigarette type

Cigarette type
CharacteristicsNonmentholMentholP
N3,210 (74.3)1,393 (25.7)
Sex
 Men1,916 (57.0)711 (45.8)<0.001
 Women1,294 (43.0)682 (54.2)
Age, y42.2 (0.3)40.7 (0.5)0.01
Race/ethnicity
 White2,148 (87.0)508 (60.7)<0.001
 African-American355 (4.8)789 (36.4)
 Mexican-American707 (8.2)96 (2.9)
Education
 <High school1,241 (27.9)426 (24.2)0.02
 High school895 (31.7)473 (36.7)
 >High school1,074 (40.4)494 (39.1)
Body mass index, kg/m227.1 (0.1)27.9 (0.2)<0.001
Age at initiation, y
 <15804 (23.8)276 (19.6)0.09
 15–16766 (26.3)308 (24.7)
 17–19883 (28.5)412 (30.7)
 ≥20756 (21.5)397 (25.1)
Frequency of smoking
 Everyday2,764 (88.0)1,229 (89.4)0.27
 Some days446 (12.0)164 (10.6)
Cigarettes smoked per day
 <5546 (12.4)239 (13.9)<0.001
 5–101,007 (28.3)588 (38.6)
 11–201,187 (41.6)458 (37.0)
 ≥21470 (17.7)108 (10.6)
Time to first smoke, mina
 ≤5470 (31.9)227 (33.7)0.53
 6–30473 (33.8)185 (30.2)
 31–60253 (18.5)122 (18.9)
 >60253 (15.9)113 (17.1)
Smoking allowed in home
 Yes1,988 (63.1)982 (67.8)0.03
 No1,196 (36.2)402 (31.5)
Serum cotinine, ng/mL163.1 (154.4–172.2)175.9 (165.8–186.6)0.08
Blood cadmium, μg/L0.95 (0.92–0.98)1.02 (0.98–1.06)0.007
Blood lead, μg/dL1.87 (1.81–1.93)1.75 (1.67–1.84)0.02
Urine NNAL, ng/mLb0.27 (0.24–0.31)0.23 (0.20–0.26)0.07

NOTE: Values represent No. (weighted%) for categorical variables or mean (SEs) for continuous variables, except for serum cotinine, blood cadmium, blood lead, and urine NNAL for which geometric mean (95% CI) are reported.

  • aOnly available in NHANES 2001–2010 (N = 1,449 and 647, respectively).

  • bOnly available in NHANES 2007–2010 (N = 1,118 and 489, respectively).