Table 1.
Participant Characteristics by Cigarette Type
| Cigarette Type |
|||
|---|---|---|---|
| Characteristics | Non-menthol | Menthol | P-value |
| N | 3210 (74.3) | 1393 (25.7) | |
| Sex | |||
| Men | 1916 (57.0) | 711 (45.8) | <0.001 |
| Women | 1294 (43.0) | 682 (54.2) | |
| Age, y | 42.2 (0.3) | 40.7 (0.5) | 0.01 |
| Race/ethnicity | |||
| White | 2148 (87.0) | 508 (60.7) | <0.001 |
| African-American | 355 (4.8) | 789 (36.4) | |
| Mexican-American | 707 (8.2) | 96 (2.9) | |
| Education | |||
| <High school | 1241 (27.9) | 426 (24.2) | 0.02 |
| High school | 895 (31.7) | 473 (36.7) | |
| >High school | 1074 (40.4) | 494 (39.1) | |
| Body mass index, kg/m2 | 27.1 (0.1) | 27.9 (0.2) | <0.001 |
| Age at initiation, y | |||
| <15 | 804 (23.8) | 276 (19.6) | 0.09 |
| 15- 16 | 766 (26.3) | 308 (24.7) | |
| 17-19 | 883 (28.5) | 412 (30.7) | |
| ≥20 | 756 (21.5) | 397 (25.1) | |
| Frequency of Smoking | |||
| Everyday | 2764 (88.0) | 1229 (89.4) | 0.27 |
| Some days | 446 (12.0) | 164 (10.6) | |
| Cigarettes smoked per day | |||
| <5 | 546 (12.4) | 239 (13.9) | <0.001 |
| 5- 10 | 1007 (28.3) | 588 (38.6) | |
| 11-20 | 1187 (41.6) | 458 (37.0) | |
| ≥21 | 470 (17.7) | 108 (10.6) | |
| Time to first smoke, mina | |||
| ≤ 5 | 470 (31.9) | 227 (33.7) | 0.53 |
| 6-30 | 473 (33.8) | 185 (30.2) | |
| 31-60 | 253 (18.5) | 122 (18.9) | |
| > 60 | 253 (15.9) | 113 (17.1) | |
| Smoking allowed in home | |||
| Yes | 1988 (63.1) | 982 (67.8) | 0.03 |
| No | 1196 (36.2) | 402 (31.5) | |
| Serum cotinine, ng/mL | 163.1 (154.4, 172.2) | 175.9 (165.8, 186.6) | 0.08 |
| Blood cadmium, μg/L | 0.95 (0.92, 0.98) | 1.02 (0.98, 1.06) | 0.007 |
| Blood lead, μg/dL | 1.87 (1.81, 1.93) | 1.75 (1.67, 1.84) | 0.02 |
| Urine NNAL, ng/mLb | 0.27 (0.24, 0.31) | 0.23 (0.20, 0.26) | 0.07 |
Values represent No (weighted %) for categorical variables continuous variables, except for serum cotinine, blood cadm which geometric means (95% CI) are reported
a
Only available in NHANES 2001-2010 (N=1449 and 647 respectively)
b
Only available in NHANES 2007-2010 (N=1118 and 489 respectively)