Table 1

Differences in characteristics between 16540 smokers of non-mentholated cigarettes and 3005 smokers of mentholated cigarettes

BlackWhite*
Non-menthol (%) (n=1251)Menthol (%) (n=655)p ValueNon-menthol (%) (n=15289)Menthol (%) (n=2350)p Value
*Data on cigarettes per day missing for 31 white subjects.
NS, not significant.
Sex
    Male860 (68.8)415 (63.4)10881 (71.2)1526 (64.9)
    Female391 (31.3)240 (36.6)<0.024408 (28.8)824 (35.1)<0.01
Age (years)
    <4588 (7.0)109 (16.6)1158 (7.6)257 (10.9)
    45–54296 (23.7)180 (27.5)3076 (20.2)591 (25.2)
    55–64532 (42.5)238 (36.3)5895 (38.6)874 (37.2)
    ≥65335 (26.8)128 (19.5)<0.015160 (33.8)628 (26.7)<0.01
Subjects
    Controls453 (36.2)257 (39.2)6459 (42.3)997 (42.4)
    Cases798 (63.8)398 (60.8)NS8830 (57.8)1353 (57.6)NS
Smoking
    Current804 (64.3)461 (70.4)7201 (47.1)1323 (56.3)
    Former447 (35.7)194 (29.4)<0.018088 (52.9)1027 (43.7)<0.01
Cigarettes per day
    1–10374 (29.9)226 (34.5)2279 (14.9)424 (18.1)
    11–20519 (41.5)294 (44.9)5195 (34.0)780 (33.2)
    21–39167 (13.4)77 (11.8)2814 (18.4)407 (17.3)
    ≥40191 (15.3)58 (8.9)<0.014972 (32.6)737 (31.4)<0.01