Table 2 Bivariate and multivariate associations between selected demographic characteristics and infection with HCV genotype 1 vs. non-1 (genotypes 2, 3, 4)

Gender

   Male

73.4

1.22 (0.78, 1.90)

0.38

   Female

69.3

Ethnic Background

Caucasian

59.2

1

1

African American

87.1

4.65 (2.75, 7.86)

< 0.001

3.37 (1.89, 5.99)

<0.001

Latino

72.0

1.77 (0.71, 4.45)

0.22

1.57 (0.61, 3.98)

0.35

Other

62.8

1.16 (0.59, 2.30)

0.66

1.85 (0.59, 2.37)

0.63

Birth Cohort

   Born before 1970

79.0

2.97 (1.20, 4.59)

< 0.001

2.03 (1.23, 3.34)

0.006

   Born 1971 or later

56.0

1

Study group

   UFO

54.7

1

**

   UHS

80.5

3.33 (2.04, 5.45)

< 0.001

   SCOPE

76.7

2.92 (1.68, 5.06)

< 0.001