TABLE 1—
Characteristics of HCV Cases by 1945–1965 Birth Cohort From 4 US Hepatitis Surveillance Sites: Colorado, Connecticut, Minnesota, and New York, 2004–2010
| Characteristic | Total (n = 110 223), No. (%) | Agea (n = 74 578), No. (%) | Any Risk Indication (n = 45 034), No. (%) | No Risk Indication (n = 65 189), No. (%) |
| Gender | ||||
| Male | 73 298 (66) | 51 708 (69) | 31 365 (70) | 41 933 (64) |
| Female | 36 653 (33) | 22 704 (30) | 13 562 (30) | 23 091 (35) |
| Missing | 272 (< 1) | 166 (< 1) | 107 (< 1) | 165 (< 1) |
| Race | ||||
| White | 55 472 (50) | 37 058 (50) | 25 206 (56) | 30 266 (46) |
| Black | 19 843 (18) | 15 383 (21) | 9152 (20) | 10 691 (16) |
| Hispanic | 16 060 (15) | 9593 (13) | 7860 (17) | 8200 (13) |
| Asian/Pacific Islander | 1708 (2) | 998 (1) | 570 (1) | 1138 (2) |
| American Indian/Alaska Native | 1489 (1) | 915 (1) | 720 (2) | 769 (1) |
| Multiple | 927 (1) | 579 (1) | 296 (1) | 631 (1) |
| Unknown | 14 724 (13) | 10 052 (13) | 1230 (3) | 13 493 (21) |
a
Males and females born between 1945 and 1965.