Table 1

Description of study population

MenWomen
Cases n %Controls n %Cases n %Controls n %
Age (yr)
 <4536 (6.4)43 (6.4)37 (9.4)42 (7.9)
 45–54112 (20.0)134 (19.9)85 (21.6)106 (19.9)
 55–64176 (31.5)193 (28.7)114 (29.0)156 (29.3)
 65–74162 (29.0)206 (30.6)103 (26.2)139 (26.1)
 75–7973 (13.1)97 (14.4)54 (13.7)89 (16.7)
Education level
 <High school57 (10.2)76 (11.3)47 (12.0)51 (9.6)
 High school125 (22.4)126 (18.8)101 (25.7)144 (27.1)
 Some college278 (49.7)323 (48.1)195 (49.6)255 (47.9)
 College graduate +99 (17.7)147 (21.9)50 (12.7)82 (15.4)
Cigarette smoker
 Never209 (37.6)297 (44.2)232 (59.2)328 (61.7)
 Stopped ≥5 yr229 (41.2)272 (40.5)93 (23.7)118 (22.2)
 Current (<5 yr)118 (21.2)103 (15.3)67 (17.1)86 (16.2)
Cigar smoker
 Never505 (90.3)609 (90.6)392 (99.8)530 (99.6)
 Ever54 (9.7)64 (9.4)1 (0.2)2 (0.4)
Pipe smoker
 Never499 (89.3)598 (88.9)393 (100)531 (99.8)
 Ever60 (10.7)75 (11.1)01 (0.2)