HCV risk factor groupings and demographic characteristics | Univariable models | Any self-reported HCV risk factor model | ‘Baby boomer’ birth cohort model | Combined HCV risk group model |
OR (95% CI) | aOR (95% CI) | aOR (95% CI) | aOR (95% CI) | |
Any versus no self-reported HCV risk factors | 1.12 (0.99 to 1.26) | 1.09 (0.96 to 1.23) | N/A | N/A |
Member versus not a member of the baby boomer birth cohort | 0.99 (0.88 to 1.12) | N/A | 1.00 (0.86 to 1.16) | N/A |
Combined HCV risk group versus no HCV risk | 1.17 (1.04 to 1.32) | N/A | N/A | 1.19 (1.04 to 1.35) |
Age | 1.00 (1.00 to 1.00) | 1.00 (0.99 to 1.00) | 1.00 (0.99 to 1.00) | 1.00 (0.99 to 1.00) |
Sex | ||||
Female | Reference | Reference | Reference | Reference |
Male | 1.07 (0.95 to 1.20) | 1.12 (0.99 to 1.26) | 1.10 (0.98 to 1.25) | 1.09 (0.97 to 1.24) |
Unknown | 1.15 (0.57 to 2.42) | 0.88 (0.40 to 2.05) | 0.87 (0.39 to 2.02) | 0.87 (0.39 to 2.01) |
Race | ||||
White | Reference | Reference | Reference | Reference |
Asian | 1.37 (0.96 to 1.97) | 1.34 (0.94 to 1.93) | 1.35 (0.94 to 1.95) | 1.35 (0.94 to 1.95) |
Black | 1.26 (1.05 to 1.52) | 1.29 (1.07 to 1.56) | 1.28 (1.07 to 1.55) | 1.28 (1.06 to 1.50) |
Other | 1.40 (1.19 to 1.64) | 1.27 (1.06 to 1.51) | 1.26 (1.06 to 1.51) | 1.26 (1.06 to 1.50) |
Unknown | 1.14 (0.96 to 1.34) | 1.10 (0.92 to 1.31) | 1.10 (0.92 to 1.31) | 1.11 (0.93 to 1.33) |
Hispanic/Latino ethnicity | ||||
Non-Hispanic/Latino | Reference | Reference | Reference | Reference |
Hispanic/Latino | 1.46 (1.22 to 1.74) | 1.41 (1.16 to 1.72) | 1.41 (1.16 to 1.72) | 1.40 (1.15 to 1.71) |
Unknown | 1.07 (0.93 to 1.22) | 1.07 (0.92 to 1.25) | 1.07 (0.92 to 1.25) | 1.07 (0.92 to 1.25) |
Healthcare insurance | ||||
Commercial | Reference | Reference | Reference | Reference |
Medicaid | 1.09 (0.95 to 1.25) | 1.03 (0.89 to 1.19) | 1.02 (0.88 to 1.18) | 1.02 (0.88 to 1.17) |
Medicare | 1.02 (0.87 to 1.19) | 1.06 (0.87 to 1.29) | 1.06 (0.87 to 1.28) | 1.08 (0.88 to 1.31) |
Other | 0.90 (0.63 to 1.30) | 0.92 (0.64 to 1.32) | 0.92 (0.64 to 1.32) | 0.92 (0.64 to 1.32) |
Unknown | 0.44 (0.28 to 0.67) | 0.36 (0.22 to 0.57) | 0.36 (0.22 to 0.57) | 0.36 (0.22 to 0.57) |
aOR, adjusted OR; HCV, hepatitis C virus.