Table 1.
Distribution of age, race, cigarette smoking, and lifetime number of sex partners among SCC cases and controls tested for HLA class I and II alleles
| Controls (N=542) |
Cases (N=544) |
||||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Age | |||||
| 18-29 | 76 | (14.0) | 60 | (11.1) | |
| 30-39 | 175 | (32.3) | 180 | (33.1) | |
| 40-49 | 151 | (27.9) | 151 | (27.8) | |
| 50-59 | 68 | (12.5) | 83 | (15.3) | |
| 60-69 | 43 | (7.9) | 56 | (10.3) | |
| 70-74 | 29 | (5.4) | 14 | (2.6) | |
| Race | |||||
| White | 513 | (94.6) | 481 | (88.4) | |
| Black | 13 | (2.4) | 15 | (2.8) | |
| American Indian | 0 | (0.0) | 6 | (1.1) | |
| Asian/Pacific Islander | 10 | (1.8) | 25 | (4.6) | |
| Mixed | 6 | (1.1) | 17 | (3.1) | |
| Smoking | |||||
| Never | 262 | (48.3) | 203 | (37.3) | |
| Former | 161 | (29.7) | 143 | (26.3) | |
| Current | 119 | (22.0) | 198 | (36.4) | |
| Sex Partners | |||||
| 1 | 131 | (24.4) | 54 | (9.9) | |
| 2 to 4 | 149 | (27.7) | 168 | (30.9) | |
| 5 to 14 | 195 | (36.3) | 229 | (42.2) | |
| 15+ | 62 | (11.5) | 92 | (16.9) | |