Table 1. Characteristics of study participants according to menthol smoking status.
| Population | Characteristic | Non-Menthol Smokers | Menthol Smokers | P-value |
|---|---|---|---|---|
| DHS AA (N = 261) | N | 58 (22.2) | 203 (77.8) | - |
| Age (yr) | 62.8 ± 9 | 56.4 ± 9.1 | <0.0001 | |
| Female, no. (%) | 34 (58.6) | 124 (61.1) | 0.762 | |
| Biobank AA (N = 133) | N | 19 (14.3) | 114 (85.7) | - |
| Age (yr) | 56.4 ± 11.8 | 47.2 ± 12.5 | 0.0031 | |
| Female, no. (%) | 12 (63.2) | 72 (63.2) | 1 | |
| DHS EA (N = 167) | N | 112 (67.1) | 55 (32.9) | - |
| Age (yr) | 55.9 ± 9.3 | 55.3 ± 10.3 | 0.75 | |
| Female, no. (%) | 59 (52.7) | 33 (60.0) | 0.4105 | |
| Schroeder AA (N = 741) | N | 317 (42.8) | 424 (57.2) | - |
| Age (yr) | 44.6 ± 10.6 | 45.3 ± 10.9 | 0.41 | |
| Female, no. (%) | 77 (24.3) | 168 (39.6) | <0.0001 |
Values are mean ± SD. AA–African American; EA–European American.
P-values were calculated using t-tests (for age) and chi-square tests (for gender).