TABLE 1—
Total and Sex-Specific HCV Antibody (Anti-HCV) Prevalence Among Entrants to Pennsylvania State Prisons in 2004–2012, by Birth Cohort and Test Period
| All Persons |
Women |
Men |
|||||||
| Variable | No. Tested | No. Anti-HCV+ | % Anti-HCV+ (95% CI) | No. Tested | No. Anti-HCV+ | % Anti-HCV+ (95% CI) | No. Tested | No. Anti-HCV+ | % Anti-HCV+ (95% CI) |
| Total | 101 727 | 18 454 | 18.1 (17.9, 18.4) | 9534 | 2986 | 31.3 (30.4, 32.3) | 92 193 | 15 468 | 16.8 (16.5, 17.0) |
| Birth cohorta | |||||||||
| < 1940 | 258 | 29 | 11.2 (7.7, 15.7) | 21 | 3 | 14.3 (3.0, 36.3) | 237 | 26 | 11.0 (7.3, 15.7) |
| 1940–1944 | 394 | 73 | 18.5 (14.8, 22.7) | 21 | 5 | 23.8 (8.2, 47.2) | 373 | 68 | 18.2 (14.4, 22.5) |
| 1945–1949 | 1044 | 361 | 34.6 (31.7, 37.6) | 83 | 28 | 33.7 (23.7, 44.9) | 961 | 333 | 34.7 (31.6, 37.8) |
| 1950–1954 | 2289 | 1024 | 44.7 (42.7, 46.8) | 211 | 75 | 35.5 (29.1, 42.4) | 2078 | 949 | 45.7 (43.5, 47.8) |
| 1955–1959 | 5030 | 2097 | 41.7 (40.3, 43.1) | 573 | 256 | 44.7 (40.6, 48.9) | 4457 | 1841 | 41.3 (40.0, 42.8) |
| 1960–1964 | 8406 | 2645 | 31.5 (30.5, 32.5) | 1106 | 409 | 37.0 (34.1, 39.9) | 7300 | 2236 | 30.6 (29.6, 31.7) |
| 1965–1969 | 10 100 | 2225 | 22.0 (21.2, 22.9) | 1484 | 445 | 30.0 (27.7, 32.4) | 8616 | 1780 | 20.7 (19.8, 21.5) |
| 1970–1974 | 11 547 | 1662 | 14.4 (13.8, 15.0) | 1328 | 354 | 26.7 (24.3, 29.1) | 10 219 | 1308 | 12.8 (12.2, 13.5) |
| 1975–1979 | 14 802 | 2101 | 14.2 (13.6, 14.8) | 1395 | 384 | 27.5 (25.2, 30.0) | 13 407 | 1717 | 12.8 (12.2, 13.4) |
| 1980–1984 | 17 307 | 2466 | 14.2 (13.7, 14.8) | 1799 | 608 | 33.8 (31.6, 36.0) | 15 508 | 1858 | 12.0 (11.5, 12.5) |
| 1985–1989 | 13 917 | 1194 | 8.6 (8.1, 9.1) | 1131 | 320 | 28.3 (25.7, 31.0) | 12 786 | 874 | 6.8 (6.4, 7.3) |
| 1990–1995 | 3454 | 140 | 4.1 (3.4, 4.8) | 198 | 40 | 20.2 (14.8, 26.5) | 3256 | 100 | 3.1 (2.5, 3.7) |
| Test period | |||||||||
| 2004–2006 | 17 604 | 3483 | 19.8 (19.2, 20.4) | 2350 | 761 | 32.4 (30.5, 34.3) | 15 254 | 2722 | 17.8 (17.2, 18.5) |
| 2007–2009 | 40 178 | 7170 | 17.8 (17.5, 18.2) | 3873 | 1143 | 29.5 (28.1, 31.0) | 36 305 | 6027 | 16.6 (16.2, 17.0) |
| 2010–2012 | 42 477 | 7058 | 16.6 (16.3, 17.0) | 4268 | 1415 | 33.2 (31.7, 34.6) | 38 209 | 5643 | 14.8 (14.4, 15.1) |
Note. CI = confidence interval.
a
Year of birth missing for 13 179 participants.