|  |  |  |  |  |  | WIHS Model | UHS Model | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  | Age of Infection |  |  |  | Age of Infection |  | Age of Infection | ||||
Scenario | Year of Birth | First IDU | Last IDU | HCV Ab + Test | Daily IDU | Race/Ethnicity | Probability First IDU Accurate* | Fitted Mean | Bias†| Probability First IDU Accurate* | Fitted Mean | Bias†|
1 | 1960 | 12 | 40 | 40 | No | Caucasian | 0.38 | 17.5 | -5.5 | 0.52 | 15.2 | -3.2 |
2 | 1940 | 12 | 60 | 60 | No | Caucasian | 0.07 | 29.2 | -17.2 | 0.18 | 22.4 | -10.4 |
3 | 1960 | 35 | 40 | 40 | No | Caucasian | 0.66 | 34.7 | 0.3 | 0.39 | 26.5 | 8.5 |
4 | 1940 | 35 | 60 | 60 | No | Caucasian | 0.74 | 35.5 | -0.5 | 0.47 | 32.3 | 2.7 |
5 | 1943 | 14 | 50 | 52 | Yes | Hispanic | 0.30 | 21.9 | -7.9 | 0.58 | 16.2 | -2.2 |
6 | 1943 | 14 | 50 | 52 | No | Caucasian | 0.19 | 25.4 | -11.4 | 0.33 | 20.5 | -6.5 |
7 | 1972 | 21 | 22 | 22 | Yes | Hispanic | 0.96 | 21.2 | -0.2 | 0.71 | 18.5 | 2.5 |
8 | 1977 | 16 | 18 | 18 | Yes | Caucasian | 0.83 | 16.7 | -0.7 | 0.81 | 15.5 | 0.5 |
9 | 1942 | 56 | 57 | 57 | Yes | African American | 0.09 | 34.3 | 21.7 | 0.07 | 31.4 | 24.6 |
10 | 1917 | 15 | 70 | 70 | Yes | African American | 0.01 | 41.2 | -26.2 | 0.01 | 39.4 | -24.4 |
2 – LA‡ | 1940 | 12 | 60 | 60 | No | Caucasian | 0.07 | 29.6 | -17.6 |  |  |  |
9 – LA‡ | 1942 | 56 | 57 | 57 | Yes | African American | 0.09 | 34.4 | 21.6 |  |  |  |
2 – Ch§ | 1940 | 12 | 60 | 60 | No | Caucasian | 0.09 | 28.0 | -16.0 |  |  |  |
9 – Ch§ | 1942 | 56 | 57 | 57 | Yes | African American | 0.08 | 34.0 | 22.0 |  |  |  |
2 – Male | 1940 | 12 | 60 | 60 | No | Caucasian |  |  |  | 0.14 | 24.1 | -12.1 |
9 – Male | 1942 | 56 | 57 | 57 | Yes | African American |  |  |  | 0.08 | 32.0 | 24.0 |