Table 2.
Demographic characteristics |
Cases | (%) | Controls | (%) |
---|---|---|---|---|
Age | ||||
<40 | 323 | 3.6 | 892 | 6.6 |
40-<45 | 533 | 5.9 | 1039 | 7.6 |
45-<50 | 1012 | 11.3 | 1587 | 11.7 |
50-<55 | 1415 | 15.8 | 2181 | 16.0 |
55-<60 | 1665 | 18.6 | 2353 | 17.3 |
60-<65 | 1480 | 16.5 | 2088 | 15.3 |
65-<70 | 1243 | 13.9 | 1734 | 12.7 |
70-<75 | 837 | 9.3 | 1232 | 9.0 |
>=75 | 459 | 5.1 | 521 | 3.8 |
Sex | ||||
Men | 7248 | 80.8 | 9794 | 71.9 |
Women | 1719 | 19.2 | 3833 | 28.1 |
Χ2 test | <0.0001b | |||
Race/Ethnicity | 1 | |||
Non hispanic white | 5560 | 62.0 | 10332 | 75.8 |
Black | 341 | 3.8 | 454 | 3.3 |
Hispanic/Latino | 141 | 1.6 | 329 | 2.4 |
Asian/Pacific islanders | 616 | 6.9 | 654 | 4.8 |
Latin Americans | 2191 | 24.4 | 1706 | 12.5 |
Others | 118 | 1.3 | 152 | 1.1 |
Χ2 test | <0.0001 | |||
Education | ||||
None | 446 | 5.0 | 304 | 2.2 |
<Junior high school | 4383 | 48.9 | 6240 | 45.8 |
Some high school | 1126 | 12.6 | 1521 | 11.2 |
High school graduate | 1022 | 11.4 | 1502 | 11.0 |
Vocational, some college | 831 | 9.3 | 1758 | 12.9 |
>=College | 833 | 9.3 | 2051 | 15.1 |
Missing | 326 | 3.6 | 251 | 1.8 |
Χ2 test | <0.0001 | |||
Tobacco smoking | ||||
Never# | 913 | 10.2 | 5298 | 38.9 |
ever | 8051 | 89.8 | 8320 | 61.1 |
Missing | 3 | 9 | ||
Χ2 test | <0.0001 | |||
Packyears | ||||
non cigarette smokers | 1322 | 14.9 | 5489 | 40.8 |
1-10 py | 632 | 7.1 | 2032 | 15.1 |
11-20 py | 910 | 10.3 | 1607 | 11.9 |
21-30 py | 1270 | 14.3 | 1358 | 10.1 |
31-40 py | 1366 | 15.4 | 1084 | 8.1 |
41-50 py | 1072 | 12.1 | 722 | 5.4 |
>50 py | 2300 | 25.9 | 1183 | 8.8 |
Missing | 95 | 152 | ||
Χ2 test | <0.0001 | |||
Alcohol drinking | ||||
never | 1435 | 16.0 | 3653 | 26.8 |
ever | 7521 | 84.0 | 9967 | 73.2 |
Missing | 11 | 7 | ||
Χ2 test | <0.0001 | |||
Frequency of drinking | 1 | |||
never drinker | 1435 | 16.0 | 3653 | 26.8 |
<1drink per day | 1286 | 14.4 | 3000 | 22.0 |
1-2 drinks per day | 1459 | 16.3 | 2920 | 21.4 |
3-4 drinks per day | 1030 | 11.5 | 1560 | 11.5 |
5-6 drinks per day | 807 | 9.0 | 784 | 5.8 |
>=7 drinks per day | 2597 | 29.0 | 1343 | 9.9 |
Missing | 353 | 3.9 | 367 | 2.7 |
Χ2 test | <0.0001 | |||
HNC subtype | ||||
Oral cavity | 2332 | 26.0 | ||
Oroharynx | 668 | 7.4 | ||
Hypopharynx | 2254 | 25.1 | ||
Oral/Pharynx NOS | 835 | 9.3 | ||
Larynx | 2572 | 28.7 | ||
Overlapping HNC | 306 | 3.4 |
Never tobacco users were subjects that never used cigarette, pipe, cigar, snuff or chew.